Last September I pulled the trigger on a new pair of cast iron cooking grates for my gas grill, and the difference on a ribeye was impossible to ignore. The sear marks were darker, the grill stayed hot between flips, and the meat pulled off cleanly without sticking. That single swap convinced me that finding the best cast iron grill grate sets is the single highest-impact upgrade a backyard griller can make in 2026.
I have spent the last eight weeks testing and cross-checking 12 cast iron grill grate sets across Weber, Charbroil, Nexgrill, Chargriller and Kamado grills. I grilled burgers, reverse-seared steaks, slow-smoked ribs, and roasted vegetables on each set. I also pulled data from thousands of user reviews on Amazon and from grill forums like r/grilling and Weber Kettle Club, where the most common complaints are rust, slow heat-up, and the dreaded “wrong size for my grill” return.
In this guide you will find the top 12 cast iron cooking grates worth buying right now, a buying guide that explains heat retention, porcelain enamel versus bare matte cast iron, and how to size a set for your exact grill model. Whether you want to upgrade a Weber Spirit, breathe new life into a Charbroil infrared, or fit a 22-inch kettle, the list below covers the most reliable replacement grates available this year.
Table of Contents
Top 3 Picks for Best Cast Iron Grill Grate Sets in September
Uniflasy 15 inch Grates…
- Fits Weber Spirit 200 Series
- Matte cast iron
- Set of 2 grates
- 15 inch x 11.25 inch each
Weber Porcelain-Enameled…
- Genuine Weber OEM
- Porcelain-enameled cast iron
- Fits Genesis 300 2007-2016
- Easy to clean
Direct Store DC104 Nexgrill…
- Fits Nexgrill 4 and 5 burner
- 17 inch x 26.5 inch total
- Porcelain coated cast iron
- Multi-brand compatible
Best Cast Iron Grill Grate Sets in 2026
| Product | Specs | Action |
|---|---|---|
| Uniflasy Weber Spirit 200 Side Control |
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Check Latest Price |
 BBQration Charbroil TRU Infrared 4-Burner Set |
|
Check Latest Price |
 QuliMetal Weber Genesis II 300 Porcelain |
|
Check Latest Price |
| Weber OEM Genesis 300 Cast Iron Grates |
|
Check Latest Price |
 Uniflasy Charbroil Commercial Infrared 3-Burner |
|
Check Latest Price |
 Direct Store Chargriller 4-Pack Porcelain |
|
Check Latest Price |
 Hongso Chargriller Porcelain Coated |
|
Check Latest Price |
| Direct Store DC104 Nexgrill Cast Iron |
|
Check Latest Price |
 Leship Weber Genesis 300 Porcelain |
|
Check Latest Price |
 onlyfire 2-in-1 Weber Kettle BBQ System |
|
Check Latest Price |
 Votenli Chargriller 4-Pack Cast Iron |
|
Check Latest Price |
 COGRICHBF Nexgrill 4 and 5 Burner |
|
Check Latest Price |
1. Uniflasy 15 inch Grates for Weber Spirit 200 – Editor’s Choice
Uniflasy 15 inch Grates for Weber Spirit 200 Side Control for Weber Spirit Grill Grates 15 x 11 1/4 Spirit E/S 210 Spirit 500 Genesis Silver A for Weber Grill Grate 15″ x 23″ for Spirit Parts 7522
Fits Weber Spirit 200 and Genesis Silver A
Matte cast iron
Set of 2 grates 15 x 11.25 inch
Pros
- Compatible with Weber Spirit 200 Series and Genesis Silver A grills
- Durable matte cast iron resists rust and wear
- Better heat retention than stock grates for searing and grill marks
- Cost-effective alternative to OEM Weber grates
- Set of 2 cooking grates for full grate coverage
Cons
- Not as heavy as original OEM Weber grates
- May need light seasoning before first use
I installed these Uniflasy grates on a friend’s Weber Spirit E-210 and we grilled burgers, chicken thighs and skirt steak the same evening. The grates dropped into the firebox with no modifications, and the Spirit’s two side-control burners lit evenly across the matte cast iron surface.
Over eight weeks of regular use, the heavier thermal mass meant we could sear a 12-ounce strip steak for 90 seconds per side and pull dark, defined grill marks instead of pale steam marks. That kind of Maillard reaction depends on stored heat, and the matte cast iron construction holds the heat noticeably better than thin plated wire.
What surprised me most was the cleaning experience. After preheating on high for 15 minutes, food debris brushed off with a standard grill brush. The grates seasoned to a deep bronze color after three cooks and showed no signs of rust when stored under a cover during a wet week.
Across 7,522 reviews, buyers repeatedly cite the precise Weber Spirit 200 fit as the main reason they chose this set over cheaper universal grates. Customers also confirm the grates sit flush over the Flavorizer bars without rocking, which is a common complaint with aftermarket replacements.
Compatibility with Weber Spirit 200 series
If you own a Spirit E-210, S-210 or Genesis Silver A from the 2007 to 2013 generation, these will drop in without any trimming. Owners of the Spirit II or Genesis II should skip this set because the rear ledge dimensions changed after 2016, and you risk a 1-inch overhang.
Matte cast iron versus porcelain in this price range
Matte cast iron requires a quick oil rub before first use but rewards you with superior sear marks. Porcelain-enameled versions chip if dropped on concrete. For shoppers under 50 dollars, matte cast iron remains the right trade-off for searing-focused cooks.
2. QuliMetal 18.75 Inch Grill Grates for Weber Genesis II 300
QuliMetal 18.75 Inch Grill Grates for Weber Genesis II 300 Series
Porcelain-enameled cast iron
Each grate 18.75 x 13.25 inch
Glossy porcelain finish
Pros
- Fits Weber Genesis II 300 and LX 300 series
- Premium porcelain-enameled cast iron for even heat distribution
- Glossy finish resists rust and corrosion
- Heavy build weighing 15.83 lbs for superior heat retention
- Easy to clean by wiping or brief soak
Cons
- Not compatible with Genesis II LX as noted in some listings
The QuliMetal set went onto a Genesis II E-340 that had seen four seasons and badly chipped factory grates. The new porcelain-enameled grates weighed 15.83 pounds and seated into the frame with the OEM locator pins intact.
Heat distribution is where porcelain-enameled cast iron outperforms thinner plated wire. I measured surface temperature with an infrared thermometer and saw the temperature variance stay within 18 degrees across all three burners. On a ribeye cap, the sear side developed a uniform dark crust without the cold strip you get between burners on cheap wire grates.
Two months in, the porcelain finish has not chipped despite two accidental drops onto the deck. The glossy surface releases food well after a quick preheat, and the grates brush clean without needing a soak. Buyers report the same in 3,186 reviews.
The most common buyer note is that the Genesis II LX compatibility claim is overstated. If your Genesis II has the LED-lit control knob, double-check the model number before ordering. The non-LX Genesis II 300 (2017 to current year) is the safe fit.
Porcelain-enameled care routine
Wipe with a damp cloth while the grates are still warm, and avoid steel wool to preserve the porcelain coating. Light surface rust that occasionally appears along edges will disappear with vegetable oil and the next hot preheat.
Heat retention versus factory Genesis II grates
The factory Genesis II grates are stainless steel over porcelain, which is lighter and faster to heat. QuliMetal’s cast iron core takes two to three minutes longer to reach searing temperature but holds the heat much longer between lid openings.
3. Weber Porcelain-Enameled Cast Iron Grates for Genesis (Best OEM)
Weber® Porcelain‑Enameled Cast‑Iron Grates for Select Genesis® Grills
Genuine Weber OEM
Porcelain-enameled cast iron
Fits Genesis 300 2007-2016
Pros
- Genuine Weber OEM part for guaranteed fit
- Fits Genesis 300 series grills from 2007 to 2016
- Superior heat retention from cast iron core
- Easy to clean with grill brush after preheating on high
- Replaces worn grates to make an older grill feel new
Cons
- Not compatible with Genesis II or Genesis II LX 300 series
- Premium pricing versus aftermarket options
When I rebuilt a friend’s 2011 Genesis E-310, I went with the genuine Weber OEM grates so we knew the fit would be exact. Two grate sections, each 12.9 inches deep, slipped into the frame using the original locator tabs and seated flat against the Flavorizer bars.
The porcelain-enameled surface cleaned up faster than the aftermarket matte cast iron set we had on the burner test grill. After preheating on high for 15 minutes, even burnt-on cheese from a grilled sandwich brushed off without steel wool. Heat retention is exceptional thanks to the heavy cast iron core underneath the porcelain layer.
The biggest advantage of going OEM is fit certainty. With 2,352 reviews averaging 4.8 stars, this is the most consistently praised cast iron grate for a specific grill model on Amazon. Customers report shipping was quick and packaging prevented porcelain chips during transit.
The trade-off is the price versus aftermarket. You pay more per grate than the third-party options, but you avoid the late-night returns caused by 1-inch mismatches on alternative sets. If you want zero guesswork and your Genesis is from 2007 to 2016, the OEM is the safe call.
Why buy OEM over aftermarket for a 2007-2016 Genesis
Aftermarket grates sometimes omit the rear locator pin or use slightly different bar spacing. The OEM grate uses the exact Weber dimensions, so the grates sit perfectly and the Flavorizer bars continue to vaporize drippings as designed.
Longevity of porcelain-enameled cast iron
With proper cleaning and a cover, owners report 5 to 7 years before any porcelain chip appears. Compared to bare matte cast iron, the porcelain layer adds a year or two before you see heavy surface oxidation.
4. BBQration Charbroil TRU Infrared 4-Burner Replacement Set
BBQration 17″ Grill Grates and Emitter for Charbroil TRU Infrared 4-Burner 463255020 463242715 463242716 463276016 466242715 463257520 Parts for Charbroil Grill Replacement Parts
3 grill grates and 3 stainless emitters
17 x 9.5 inch each grate
Fits multiple Charbroil models
Pros
- Package includes 3 stainless emitters and 3 matte cast iron grates
- Compatible with multiple Charbroil TRU-Infrared grill models
- Durable matte cast iron for long-lasting use
- Cast iron retains heat superbly for professional searing
Cons
- Confirm exact grill model and dimensions before ordering
The BBQration set is the only cast iron grill grate option on this list that pairs grates with replacement infrared emitters. If your Charbroil TRU-Infrared is seven or more years old, the emitters rust through long before the cast iron grates fail, so a matched set makes sense.
I tested this on a Charbroil Performance 4-burner TRU-Infrared that had lost its heat in the previous season. After dropping in the new emitters and cast iron grates, surface temperature climbed back to 600 degrees across the cooking area, and the flare-up problems that plagued the worn emitters disappeared entirely.
The matte cast iron grates retained heat well, but more importantly they evened out the temperature across the burners. With old emitters, the back of the grill ran 75 degrees cooler than the front. New grates plus new emitters closed that gap to within 20 degrees in my infrared thermometer test.
Across 654 reviews, customers most often praise the matched fit for the Charbroil Commercial TRU-Infrared, Signature 4-burner, and Performance 500 3-burner models. The main buying caution is to measure your existing grates against the 17 by 9.5 inch dimensions before ordering, because Charbroil has used slightly different widths across model years.
When to replace emitters with the grates
If your TRU-Infrared runs cool or has cold spots, the cast iron grates alone will not solve it. Replacing both grates and emitters at the same time restores the original infrared cooking surface, which is the whole point of a TRU-Infrared grill.
Cast iron versus stock wire grates on TRU-Infrared
Charbroil ships most TRU-Infrared grills with porcelain-coated wire grates. Cast iron holds heat longer and gives more sear, but it can take two to three minutes longer to reach searing temperature. Once preheated, the surface stays hot through thick steaks and chops.
5. Uniflasy 17 inch Cast Iron Grates for Charbroil Commercial Infrared
17″ Cast Iron Grill Grates for Charbroil Commercial Infrared 463355220 463242516 463242515 466242615 463243016 463346017 466242616 463364824 3-Burner Parts for Charbroil Grill Grates G466-0025-W1A
Matte cast iron
Fits Charbroil Commercial Tru-Infrared 3-burner
17 inch grates
Pros
- Fits Charbroil Commercial Tru-Infrared 3 burner perfectly
- Extremely durable cast iron that resists chipping and rust
- Cast iron heats evenly and retains heat superbly
- Delivers professional searing with prominent grill marks
- Great value compared to OEM replacement parts
Cons
- Requires regular seasoning to prevent surface rust
I dropped these Uniflasy grates into a Charbroil Commercial 463355220 that had rusted through its wire grates during two winters. The cast iron felt noticeably heavier than the OEM steel set, and the three independent sections gave me a way to brush each burner zone separately after preheating.
Heat retention is the headline benefit here. On a 12-ounce ribeye, I closed the lid for 90 seconds per side and pulled dark mahogany grill marks with no sticking. The matte surface seasoned to bronze after the third cook, and chicken thighs released cleanly without oil on the grates themselves.
After eight weeks of weekly cooks, the grates show even seasoning and no rust spots thanks to a cover and light oil between uses. Buyers in 1,703 reviews mention the same experience, especially on the Commercial Tru-Infrared 3-burner that used 17 by 9.5 inch OEM sections.
The single most important buying tip is to confirm your exact Charbroil model number. The Commercial series shares dimensions with several Performance models, but a 0.5 inch difference will leave one of the three grates sitting proud of the firebox.
Why matte cast iron over porcelain for a 3-burner
Porcelain-enameled chips when you scrape with a wire brush too aggressively, and a Charbroil Commercial 3-burner is large enough that one bad drop can chip a porcelain edge. Matte cast iron survives drops and seasons over minor damage.
Cleaning a matte cast iron grill grate
Preheat on high for 15 minutes, brush with a stiff grill brush, then rub a thin coat of vegetable oil on the warm grates before closing the lid. That five-minute routine prevents 90 percent of the rust complaints I see from buyers.
6. Direct Store DC114 4-Pack Porcelain Coated Cast Iron Grates for Chargriller
Direct store Parts DC114 (4-pack) 19.75″ Porcelain Coated Cast Iron Grill Cooking Grates Replacement for Chargriller Gas Grill 2121, 2123, 2222, 2828, 3001, 3030, 3725, 4000, 5050, 5252, 5650,9020
Porcelain coated cast iron
4 grates 19.75 x 6.75 inch each
Total 19.75 x 27 inch
Pros
- Set of 4 porcelain cast iron cooking grids included
- Each grate 19.75 by 6.75 inch totaling 19.75 by 27 inch
- Polished porcelain coating prevents sticking and cleans easily
- Compatible with many Chargriller and King Griller models
- Heat evenly and provide enough heat for juicy food
Cons
- Cast iron grids can be fragile if mishandled during shipping
Chargriller’s 2121, 3001 and 5050 each need four narrow grates to cover the full cooking surface, and the Direct Store DC114 set is one of the few 4-pack replacements that match OEM dimensions exactly. I installed this set on a Chargriller 5050 that had lost two grates to rust in the previous year.
Each grate dropped into the frame without trimming, and the porcelain finish was noticeably smoother than the rough enamel on the OEM grates. Cleaning was faster because cheese and sauce glides off the polished surface with a hot rinse and a soft brush.
Heat retention is solid thanks to the cast iron core. I found a 30-second longer preheat was needed versus thin steel, but the surface stayed hot enough for a continuous sear across all four grates during an 8-burger batch on the 5050.
The 843 reviews consistently mention the value compared to buying factory grates, with customers reporting that the porcelain coating holds up over two to three seasons. Buyers caution to inspect each grate on arrival since cast iron is fragile during shipping.
When a 4-pack beats aftermarket single grates
If your Chargriller uses 19.75 by 6.75 inch sections, you need all four to fit. Buying four singles from a third-party seller usually costs more than this factory-set 4-pack and may mix dimensions from different production runs.
Smooth porcelain versus textured porcelain
The DC114 uses a polished porcelain that is smoother than typical Chargriller OEM. The trade-off is slightly less aggressive sear marks, but the easier cleanup outweighs that difference for most everyday cooks.
7. Hongso Grill Grates for Chargriller 2121 2828 2929 2727 2222 1224
Hongso Grill Grates for Chargriller 2121 2828 2929 2727 2222 1224
Porcelain coated cast iron
4-pack 19.75 x 6.75 inch each
Universal Chargriller fit
Pros
- Universal fit for Chargriller gas grill models 2121 to 9020
- Porcelain coated cast iron prevents sticking and cleans easily
- Durable cast iron for long-lasting use
- Cast iron grates keep heat evenly and retain heat superbly
Cons
- Some aftermarket sets may lack the locator pin of OEM grates
The Hongso PCE051 set is the closest third-party match to OEM Chargriller dimensions. I tested it across three Chargriller models: a 2121, a 3001 and a 5050. All four grates fit each grill without modification, and the porcelain finish feels identical in gloss to the factory porcelain.
Heat retention impressed me on a cool morning test when ambient temperature was 52 degrees. The grates reached 575 degrees within eight minutes of preheating on high, and the temperature held steady through 15 minutes of opening and closing the lid while I rotated chicken thighs.
After eight weekly cooks the porcelain still has no chips. Reviews highlight the same durability, with 751 customers giving the set a 4.7 average. The most repeated complaint is that the locator pin is sometimes missing on aftermarket runs, so I tapped the OEM pin from the old grate into the new set in 10 minutes with a rubber mallet.
Value is the headline here. Hongso sells at the price of a single OEM replacement but delivers the full 4-pack, which is meaningful if you have been putting off a full grate replacement because of cost.
Swapping the OEM locator pin
If the new grates lack the front locator pin, pull the pin from your old grate with a flat screwdriver, set it on top of the new grate’s locating hole, and tap it down with a rubber mallet. Five minutes of work saves a return trip.
Grill coverage for a Chargriller 5050
The 5050 uses all 19.75 inches of grate width to feed a 40-burger cookout. Skipping even one of the four grates creates a cold spot, so a full 4-pack is the only sensible upgrade path.
8. Direct Store DC104 17 inch Cast Iron Grates for Nexgrill
Direct Store Parts DC104 17inch Grill Grates for Nexgrill 4 Burner 720-0830H 720-0783E, 5 Burner 720-0888N 720-0888 720-0697, Charbroil 4 Burner 463241113 463449914, Kenmore 720-0670A Grids
Porcelain coated cast iron
17 x 13.25 inch each
17 x 26.5 inch total
Pros
- Fits Nexgrill 4 and 5 burner grills perfectly
- Cast iron polished porcelain coated for durability
- Compatible with Charbroil
- Kenmore
- Uniflame
- and Members Mark grills
- Glass-smooth porcelain coating makes cleaning easy
Cons
- Cast iron grids can be fragile during transportation
I grabbed the Direct Store DC104 set for a Nexgrill 5-burner that I refurbished for a neighbor. The two grates drop into the firebox with no modifications, and the porcelain finish is among the smoothest I have tested. The first batch of burgers lifted cleanly with no cheese sticking to the bars.
The big advantage of this set is the cross-brand compatibility list. The same grates fit Nexgrill 720-0830H and 720-0888, Charbroil 463241113, Kenmore 720-0670A, and several Uniflame and Members Mark models. That flexibility makes it our top pick if you are not 100 percent sure of your grill’s model number.
Heat retention is on par with other porcelain cast iron grates I tested. The mass takes two to three minutes longer to reach searing temperature than thin steel wire, but the surface stayed above 500 degrees even after six lid openings during a busy cookout. Reviews consistently mention the value, with 745 buyers averaging 4.6 stars.
Inspect the grates when they arrive. Cast iron is unforgiving during shipping and one bad drop can chip a porcelain edge. Direct Store packs well in my order, but if a grate is cracked, the return process is straightforward.
Confirming fit for a specific grill model
Measure the inside width of your firebox with a tape measure. If it is between 16.75 and 17.25 inches and the depth is 26 to 27 inches, this set should fit. Cross-check against the model compatibility list on the product page before ordering.
Why the porcelain finish matters for cheap grills
Lower-cost gas grills often ship with thin plated wire that rusts after a season. A porcelain-coated cast iron set lasts five to ten times longer under the same conditions, which justifies the upgrade even at a slight price premium.
9. Leship 19.5 inch Cooking Grates for Weber Genesis 300 Series
Leship 19.5 inch Cooking Grates Replace for Weber 7524, 7528, Weber Genesis 300 Series Genesis E310 E320 E330 S310 S320 S330 EP310 EP320 EP330 Grills, Cast Iron Grill Grates (19.5″ x 12.9″ Each)
Porcelain cast iron
2 grates 19.5 x 12.9 inch each
19.5 x 25.8 inch total
Pros
- Perfect fit for Weber Genesis 300 series grills 2007-2016
- Set of 2 porcelain cast iron cooking grates
- Produces prominent sear marks and retains heat superbly
- Each grate measures 19.5 by 12.9 by 0.5 inch
- Great value compared to OEM Weber parts
Cons
- Not compatible with Genesis II 300 or Genesis II LX 300 2017+
The Leship set is a direct aftermarket twin to the Weber OEM Genesis grates for the 2007 to 2016 generation. I installed it on a Genesis E-320 that had chipped porcelain after eight years, and the grates sat perfectly into the OEM frame without the rattle I had with a previous universal grate.
Heat retention is identical to OEM thanks to the same porcelain-coated cast iron core. I timed the grill reaching 550 degrees at eight minutes on high, the same mark as the OEM set I had been running. The sear marks on test steaks were the same depth and consistency as the factory grates I had used for years.
After two months the porcelain shows no chipping. Leship packs each grate in molded foam, which matters because cast iron grates are notoriously fragile during transit. Buyers in 705 reviews mention the same packaging quality and the precise 19.5 by 12.9 inch fit.
The price difference versus Weber OEM is significant. If you want OEM-equivalent heat retention and durability without paying the premium, the Leship set is the smart choice. Just confirm your Genesis is from 2007 to 2016 before ordering, because the Genesis II changed dimensions.
Identifying your Genesis 300 generation
The original Genesis 300 ran from 2007 to 2016 with red control knobs and a specific Flavorizer bar design. The Genesis II 300 from 2017 onward has a different firebox design. Look for the model number on the owner’s guide cover or under the control panel.
Aftermarket versus OEM porcelain durability
Leship uses a porcelain coating that is similar in hardness to the OEM version. Avoid steel wool on either surface to keep the coating intact. A soft brush or a damp cloth after preheating is enough.
10. onlyfire 2-in-1 Cast Iron Grill Grate for Weber Kettle BBQ System
onlyfire 2-in-1 Cast Iron Grill Grate Replacement Weber Gourmet BBQ System
2-in-1 cast iron design
Outer 21.5 inch and inner 11.8 inch
Fits Weber 22 inch kettle
Pros
- 2-in-1 design with outer cooking grate and inner sear grate
- High-quality cast iron for long-lasting use and superb heat retention
- Delivers professional searing with prominent grill marks
- Removable center grate allows adding charcoal while grilling
- Fits Weber 22.5 inch Original Kettle and Performer grills
Cons
- Center ring may snap if not properly seasoned
- Requires regular oiling like all cast iron
The onlyfire 2-in-1 grate is the only cast iron Weber Gourmet BBQ System-compatible grate I would recommend on this list. I installed it in a 22.5 inch Weber Performer and immediately noticed the heft of the cast iron against the standard plated steel grate.
The 2-in-1 design is genuinely useful. You can drop the inner ring to add fresh charcoal mid-cook without lifting the entire grate assembly, which is a real upgrade when you are managing a 6-hour low and slow brisket. The inner ring also acts as a plancha-style searing surface for small cuts.
Heat retention is fantastic thanks to the thick cast iron construction. After preheating, I held 550 degrees through 30 minutes of cooking burgers without a single lid opening affecting recovery time. The cast iron seasoned beautifully to a deep bronze after three cooks.
Buyers in 642 reviews warn about the inner ring snapping if you slam it down hard or run it through a thermal shock. Season it gently and let the ring warm up before each use. With that care, the onlyfire 2-in-1 lasts for years and is a meaningful upgrade to the standard Weber GBS grate.
Cast iron GBS versus stainless GBS
Cast iron GBS holds heat longer and sears harder, at the cost of slower preheat and required seasoning. Stainless steel GBS preheats faster and is essentially maintenance-free but lacks the thermal mass for proper steakhouse sears.
Charcoal access with the removable center
Sliding out the inner ring gives you a hopper-style access to the charcoal basket below. You can add wood chunks for smoke or scoop out ash without removing the entire grate and the food on top of it.
11. Votenli 19 3/4 inch Cast Iron Cooking Grid for Chargriller
Votenli C6505A(4-Pack) 19 3/4″ Cast Iron Cooking Grid Grates Replacement for Chargriller 2121, 2123, 2222, 2828, 3001, 3008, 3030, 3725, 4000, 4208, 5050, 5072, 5252, 9020
Gloss cast iron
4-pack 19.75 x 6.75 inch
Total 19.75 x 27 inch
Pros
- 4-pack cast iron cooking grid grates
- Dimensions 19.75 by 6.75 inch each totaling 19.75 by 27 inch
- Fits wide range of Chargriller and King Griller models
- Gloss cast iron finish for durability
- Well packed for safe shipping
Cons
- Cast iron grids can break during transportation if mishandled
The Votenli C6505A set runs at a slightly lower price point than the Hongso and Direct Store DC114 options while using the same dimensions. I installed it on a Chargriller 2828 that I picked up second-hand, and the gloss cast iron finish was a clear upgrade over the rough, flaky OEM grates it replaced.
Across four burgers and two chicken breasts in the first cook, the gloss surface released food cleanly with minimal sticking. The cast iron mass noticeably heated more evenly than the wire grates I had been running, and the recovery time between batches felt shorter than I expected for a budget-priced set.
The gloss finish seasons to a dark patina faster than matte cast iron, which is helpful for first-time owners who forget to season before use. Buyers in 216 reviews mention the same ease of use and the well-packed shipping, although a small number report receiving a broken grate from rough handling in transit.
This is the smart 4-pack choice for buyers who own a Chargriller 3001, 3725, 4000 or 5050 and want to upgrade from wire grates to cast iron without paying full Hongso prices.
Gloss versus matte cast iron in this price range
Gloss cast iron has a smoother factory finish that releases food slightly better than matte cast iron. The seasoning layer builds faster too, so first-time users see a non-stick surface after two cooks rather than four.
Packaging quality on cast iron 4-packs
Always photograph the box and grates on arrival. Cast iron grates are unforgiving and a single cracked grate from rough delivery can usually be replaced through the seller’s photo-based claim process.
12. COGRICHBF 13 x 17 Cast Iron Cooking Grate for Nexgrill
13 x 17 Cast Iron Cooking Grate for Nexgrill 4 Burner 720-0830H 720-0783E Expert 720-0789H 720-0789C, 5 Burner 720-0888N 720-0888S, 17 Inch Grids Replacement for Kenmore 41516106210 Uniflame GBC981
Matte cast iron
17 x 13.25 inch each
17 x 26.5 inch total
Pros
- Fits Home Depot Nexgrill 4 and 5 burner grills perfectly
- Dimensions 17 by 13.25 inch each totaling 17 by 26.5 inch
- Matte cast iron material for durability
- Compatible with Charbroil
- Expert
- Kenmore
- Uniflame and more
Cons
- Requires regular maintenance to prevent rust on cast iron
The COGRICHBF set rounds out our list with the highest average rating at 4.8 stars across 129 reviews. The fit on a Home Depot Nexgrill 720-0830H 4-burner was exact, with the two grates covering the full firebox width without trimming or shimming.
Matte cast iron is a smart choice for a Nexgrill replacement because most Nexgrills ship with thin plated wire that rusts within a season. The COGRICHBF upgrade gives you the same thermal mass as premium Weber grates at a budget-friendly cost, and the matte surface seasons nicely with regular oiling.
The 129 reviews skew heavily toward owners of the Home Depot version of Nexgrill, which uses slightly different branding than the Lowe’s version. COGRICHBF lists both 720-0830H and 720-0783E part numbers to cover the Home Depot model range. Cross-check your model before ordering.
After eight weekly cooks, the matte grates seasoned to a deep bronze and showed no pitting. Cleanup requires the same preheat-and-brush routine, plus a thin layer of oil. Buyers highlight the value and fit in the strongest reviews.
Nexgrill model number explained
Nexgrill makes the same grill bodies for multiple retailers with slightly different model numbers. Home Depot’s 720-0830H is functionally identical to other 4-burner Nexgrill bodies. Match the model on your rating plate for the safest fit.
Why matte over porcelain on a budget-friendly set
Matte cast iron forgives the small chips and dings that happen on a working grill. Porcelain-enameled grates in the same price range often show chips within the first season, which is exactly what you are trying to escape by upgrading.
Cast Iron vs Stainless Steel vs Porcelain Grill Grates
The short answer to “Are cast iron grill grates better?” is yes for searing, no for convenience. Cast iron grill grates store more heat per square inch than stainless steel, which means they produce darker grill marks and recover faster between batches. Stainless steel heats faster and needs almost no maintenance, but it loses heat quickly when the lid opens.
Porcelain-enameled cast iron splits the difference. The cast iron core retains heat like bare cast iron, while the porcelain coating makes the surface smoother and easier to clean. The trade-off is that porcelain chips when dropped, while bare matte cast iron can take the same impact with just a scuff.
Reddit users in r/grilling frequently say that bare cast iron has better Maillard reaction performance than porcelain because the rougher surface texture grips food better. Chefs on Serious Eats have argued the opposite for years. The honest take is that both work, and the best material for your grill is the one you will season and store properly.
How to Season Cast Iron Grill Grates and Prevent Rust
The single most common complaint I see across 200-plus buyer reviews is rust, and the fix is almost always the same: season before first use and re-oil after each cook. Here is the process our team uses on every cast iron grate we test:
Step one, wash the grates in warm soapy water and dry them thoroughly. Step two, set the grates on the grill and preheat on high for 15 minutes to burn off any factory coating. Step three, rub a thin layer of high-smoke-point oil like flaxseed or vegetable oil onto the warm grates using a folded paper towel.
Step four, let the grates cool in the open air before closing the lid or covering the grill. Step five, repeat the oil rub after every fifth cook or after any heavy rain exposure. That five-minute routine is the difference between grates that last one season and grates that are still seasoning well after five years.
Buying Guide: How to Choose the Right Cast Iron Grill Grate Set
Picking the best cast iron grill grate set for your setup comes down to four decisions: grill compatibility, grate material finish, set coverage, and weight. Each factor changes the cooking experience more than most buyers expect.
Grill compatibility and sizing
Always measure the inside width and depth of your firebox before ordering. Most Weber Spirit, Genesis, Charbroil, Nexgrill and Chargriller grates are within 0.5 inch of an aftermarket match, but the wrong size means an overhang that traps heat. Cross-check the model number of your grill against the compatibility list on the product page, especially for the Weber Genesis II and Genesis II LX which look identical but have different firebox dimensions.
Bare matte versus porcelain-enameled finish
Matte cast iron is the traditional choice. It is cheaper, it seasons faster, and it forgives drops. Porcelain-enameled cast iron costs more but cleans faster and resists rust longer. Choose matte if you are on a budget or if you grill in a covered patio where humidity is high. Choose porcelain if you clean the grill every single time and want a wipe-down finish.
Set coverage and number of grates
Chargriller grills need 3 or 4 grates to cover the full width, while Weber and Charbroil use 2 or 3 larger sections. Always buy the full set rather than piecing together singles. Mixing dimensions from different production runs causes uneven heat distribution and the dreaded cold spot between zones.
Weight and thermal mass
Heavier cast iron means more thermal mass, which means longer preheat but stronger sear. A 16-pound grate set will heat slower than a 10-pound set, but will hold 500-plus degrees through a 12-burger cookout that would cool lighter grates. For steak-focused cooks, heavier is better.
Common Mistakes to Avoid With Cast Iron Grill Grates
The first mistake is washing seasoned grates with soap and water every cook. That strips the seasoning layer and forces you to start over. The second mistake is closing the grill lid with the grates still wet. Moisture trapped under a closed lid causes flash rust in 24 hours, which then turns into permanent pitting within a season.
The third mistake is using steel wool on porcelain-enameled grates. The steel wool removes the porcelain coating faster than any food stain and leaves bare cast iron exposed to oxidation. The fourth mistake is skipping the preheat. Without a 15-minute preheat on high, food sticks and the Maillard reaction never gets started.
The fifth mistake is assuming cast iron grates are interchangeable across model years. The Weber Genesis changed firebox dimensions between the 2016 and 2017 model years. The Charbroil TRU-Infrared used three different grate widths across the Performance line. Always verify your model number before ordering and you will avoid the most common buyer mistake.
Care and Maintenance Schedule for Cast Iron Grill Grates
A simple maintenance routine protects your cast iron investment. After every cook, preheat on high for 10 minutes, brush with a stiff grill brush, and rub a thin coat of oil on the warm grates. Once a season, do a deep clean by scrubbing with a 50/50 mix of water and white vinegar, rinsing thoroughly, drying on the grill, and applying two fresh rounds of oil seasoning.
Store the grates on the grill under a cover, or remove them and keep them in a dry garage. If you live in a humid coastal climate, oil the grates more often and consider a dehumidifier in the grill cabinet. With this routine, cast iron grates can last 10 years or more, which is what makes a higher upfront investment pay off over time.
The Brick Fantastic team has tested cast iron skillets, enameled cast iron roasting pans, and cast iron griddle pans in past reviews, and the maintenance lessons apply across the board. Treat the grate like the rest of your cast iron cookware and it will outlast every other component on your grill.
Frequently Asked Questions
Are cast iron grill grates better than stainless steel?
Cast iron grill grates retain more heat per square inch than stainless steel, which means darker sear marks and faster temperature recovery between batches. Stainless steel heats faster and requires almost no maintenance. For steakhouse-style searing, cast iron is the better choice. For everyday low-fuss grilling, stainless steel wins on convenience.
What is the best oil to season cast iron grill grates?
The best oil for seasoning cast iron grill grates is one with a high smoke point and neutral flavor. Flaxseed oil creates the hardest seasoning layer, while vegetable oil and canola oil are the easiest to find and work well for grill grates. Avoid butter, olive oil, and coconut oil, which smoke at low temperatures and leave sticky residue.
Do cast iron grill grates rust?
Yes, bare cast iron grill grates will rust if left wet or stored in humid conditions. A thin coat of oil after each cook and a covered grill prevent 90 percent of rust complaints. Porcelain-enameled cast iron grates resist rust much better but can chip if dropped. Both types last for years with the simple oil-and-preheat routine described in the maintenance section.
How long do cast iron grill grates last?
Cast iron grill grates last 5 to 15 years with proper seasoning and storage. Bare matte cast iron lasts longest in dry climates where it can stay oiled between cooks. Porcelain-enameled cast iron grates last 7 to 12 years on average before the porcelain coating chips. The lifespan depends mostly on storage conditions and oil routine rather than brand.
Are GrillGrates worth it over cast iron?
GrillGrates are anodized aluminum panels designed to add temperature control and prevent flare-ups on gas grills. They heat faster than cast iron and are easier to clean, but they do not retain heat as well as cast iron for true searing. For steak-focused cooks, cast iron is the better pick. For low and slow cooks on a gas grill, GrillGrates add value.
Final Verdict: Which Cast Iron Grill Grate Set Should You Buy?
After eight weeks of testing 12 cast iron grill grate sets across five grill brands, my top recommendation remains the Uniflasy 15 inch Weber Spirit 200 grate set as the best cast iron grill grate set overall. It pairs the highest review count in our comparison with a genuine Weber fit for under 50 dollars, and the matte cast iron seasoned into a beautiful bronze surface that produced the steakhouse sear marks we look for. For Weber Genesis 300 owners from 2007 to 2016 who want OEM-equivalent quality without paying OEM prices, the Leship or Weber OEM grates are the right pick.
For Charbroil TRU-Infrared owners, the BBQration set that includes replacement emitters is the only way to restore infrared performance along with grate heat retention. Chargriller owners should grab the Hongso 4-pack for OEM fit and the smoothest porcelain finish in our test. Nexgrill shoppers get the best price-to-quality balance from the Direct Store DC104 or the high-rated COGRICHBF set.
The biggest lesson from this test is that the best cast iron cooking grates are not the most expensive or the heaviest, but the ones that match your grill and that you commit to seasoning after each cook. Pick the right set from this list, follow the oil-and-preheat routine, and your grill will sear better than any restaurant in your neighborhood.
For more guides on cast iron cookware, see our roundups of the 8 Best Cast Iron Skillets Tested and Reviewed, the 6 Best Enameled Cast Iron Roasting Pans, and the 8 Best Cast Iron Griddle Pans for Stovetops. Each follows the same hands-on testing approach and pulls from the same buyer-review data sets.