10 Best Cast Iron Grill Grates for Perfect Sear Marks

If you love grilling, you know the grate can make or break your cookout. Cast iron grill grates are the secret to restaurant-quality sear marks, even heat distribution, and food that doesn’t stick. But with so many options on the market, finding the right one for your specific grill can feel overwhelming.

This guide breaks down the top cast iron grill grates for popular brands like Weber, Char-Broil, and Nexgrill. Whether you need a replacement for an old grate or want to upgrade your current setup, we’ll help you choose the perfect set based on size, compatibility, and durability.

Direct Store DC130 2-Pack Cast Iron Grates – Reliable Weber Fit

If you own a Weber Spirit or Genesis grill from the mid-2000s to 2017, these Direct Store grates are a solid choice. Each grate measures 17.5 by 11.9 inches, and the set covers a total cooking area of 17.5 by 23.8 inches. The heavy cast iron construction ensures long-lasting performance and excellent heat retention, which is essential for even cooking.

The set is designed to fit a wide range of Weber models, including Spirit E-310, E-320, S-310, S-320, Spirit 700, and Genesis Silver B/C, Gold B/C, and Platinum series. Just double-check your grill’s model and dimensions before ordering, as the brand notes this is a reference. Once installed, you’ll notice improved searing and durability compared to standard steel grates.

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• ✅ Special Notes for this item: If you are looking for parts, the BRAND and MODEL No.# listed below are just for your reference. Please Kindly check again for the SIZE and MODEL of your original parts before purchasing. if you have any problem with the item, please feel free to contact us 7 * 24 Hours. ✅Cast iron grids are fragile and may be broken during transportation. If you meet this situation, please feel free to email us and ask for solution.
• ✅ Dimension: 17.5" x 11.9" for each, 17.5" x 23.8" for total, the item include a set of 2 Cast iron Cooking Grids / Grates. Material: Cast Iron. Long-lasting use, Much heavy, more durable.
• ✅ Replacement for Weber Spirit E-310 (2007-2017), Spirit E-320 (2007-2017), Spirit S-310 (2013-2017), Spirit S-320 (2013-2017), Spirit 700, Weber 900, Genesis Silver B/C, Genesis I – IV & 1000-5000, Genesis Platinum I & II, Genesis Platinum B/C (2000 – 2004), Genesis Platinum B/C (2005+), Genesis Gold B/C (2000 – 2001), Genesis Gold B/C (2002+) Gas Grills. Replacement for Weber parts: 7638.
• ✅ Replacement for Weber Models 1100, 211298, 211901, 219798, 221901, 2251001, 2251298, 2251398, 2251411, 2261001, 2261298, 2261411, 2261698, 227298, 2281001, 2281398, 2281698, 2291001, 2291398, 2291411, 2291698, 2291699, 229298, 2350598, 2351001, 2351298, 2351398, 2351411, 2351501, 2351698, 2361001, 2361298, 2361411, 2361698, 2381001, 2381398, 2381411, 2381698, 2381699, 2381898, 2391001, 2391398, 2391411, 2391698, 252901, 311298, 3251001, 3251398, 3261001, 3261398, 3261411.
• ✅ Replacement for Weber Models 3280699, 3280901, 3291001, 331298, 3350698, 3351001, 3351398, 3361001, 3361398, 3361411, 3380001, 3380901, 3721001, 3821001, 4421001, 4421301, 4421411, 4430411, 4430411 2009-13 , 4521001, 4521301, 46410674, 46510001, 46513101, 47513101, 5230001, 5240001, 5240501, 5260001, 5270001, 5330001, 5340001, 5340501, 5360001, 5370001, 5730001, 5740001, 5740501, 5760001, 5770001, 5830001, 5840001, 5840504, 5860001, 5870001, 591101, 6221001, 6221046.
• ✅ Replacement for Weber Models 6331499, 6340001, 6721001, 6721301, 6721411, 6731001, 6731301, 6740001, 6761411, 6820801, 6821001, 6821301, 6821411, 6831001, 6831301, 6831411, 6840001, 691101, 7760001, 7770001, 77924014239, 7860001, 7870001, 900.
• ✅ To Extend the life of our grill: Make sure to clean the grates before each use. Remove as much liquid as possible before placing food on the grill. Oiling the grill can prevent food from sticking to it. Put the grill back and cover it when not in use.
• ✅ How to use grates and will last longer: the first time to cooking please heat the grates in the grill to 500-600 degrees for 10 minutes. Once the grates we're cooled and coat them with olive oil, and again heated the grill to 500-600 for another 10 minutes. Suggest brushing with a cooking oil occasionally if exposed to the salt air to keep protected over time.

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onlyfire 2-in-1 Cast Iron Grate – Versatile Weber Kettle Upgrade

The onlyfire 2-in-1 grate is designed for Weber 22.5-inch kettle grills, including the Original Kettle, Premium, and Performer models. It comes with a large 21.5-inch cooking grate and a removable 11.8-inch inner sear grate, giving you flexibility for different cooking styles. The cast iron construction ensures even heat distribution and superb heat retention, so your food cooks consistently.

The surface is perfect for achieving professional sear marks on steaks and veggies, and cleanup is straightforward. The two-piece design lets you remove the center grate to add more charcoal or wood chips during cooking. If you love charcoal grilling and want to elevate your searing game, this grate is a practical and affordable upgrade.

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• Comes with 2 parts: the hole cooking grate is 21.5" in diameter , the inner sear grate is 11.8" in diameter
• Made of high-quality cast iron to ensure long-lasting use, not only heat evenly and retain heat superbly, extend the life of your grills.
• Cast iron surface delivers professional searing, able to give prominent sear marks to meats/veggies. Allows for easy clean up, perfect for barbecue grilling.
• Apply for Weber 22.5-Inch Original Kettle Premium Charcoal Grill, 22.5" Original Kettle Charcoal Grill, 22.5" Performer Premium Charcoal Grill
• The grill accessory cast iron inner sear grate with raised side handles makes it easy to add charcoal while grilling, just remove our grate insert, no need to remove the outer grate, perfect for traditional grilling.

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Votenli 4-Pack Cast Iron Grates – Budget-Friendly Char-Griller Fit

If you own a Char-Griller or King Griller gas grill, this Votenli 4-pack is a practical replacement. Each grate measures 19.75 by 6.75 inches, and the set covers a total area of 19.75 by 27 inches. The glossy cast iron finish provides a smooth cooking surface that heats evenly and retains heat well, which is key for consistent results.

This set is compatible with many Char-Griller models, including the 2121, 2123, 2222, 2828, 3001, 3008, 3030, 3725, 4000, 4208, 5050, 5072, 5252, and 9020, as well as King Griller 3008 and 5252. Note that cast iron can be fragile during shipping, so inspect the grates upon arrival. With proper care, these grates will serve you for years.

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• Fits For Chargriller 2121, 2123, 2222, 2828, 3001, 3008, 3030, 3072, 3232, 3725, 4000, 4001, 4008, 4208, 5050, 5072, 5252, 9020 Gas Grill Models
• Fits For King Griller Models: 3008, 5252; Cooking Grates For King Griller 3008, King Griller 5252; Cooking Grates For Char-Griller Duo 5050 Gas Barbecue Grill
• Dimensions: 19 3/4" x 6 3/4" each, 19 3/4" x 27" overall; Material: Gloss Cast Iron;
• Cast iron grids are fragile and maybe broken during transportation.Please Carefully unpack and inspect upon delivery due to material characteristics.
• Confirm measurements and model numbers match your original grill components before use.

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QuliMetal 7638/7639 Grates – Precision Fit for Weber Spirit

QuliMetal has engineered these grates to fit Weber Spirit 300 series grills, including the E310, S310, E315, S315, E320, E330, S320, and S330, as well as Spirit II and GS4 models. Each grate measures 17.5 by 11.9 inches, with a total set size of 17.5 by 23.8 inches. The solid cast iron construction is built to last, offering excellent heat retention and even cooking.

Installation is hassle-free, and the grates sit securely in your grill. They are also compatible with Spirit II E-310, S-310, SP-310, SP-330, and LX 300 series. The heavy-duty material ensures you get beautiful sear marks and long-term durability. If you want a reliable replacement that fits perfectly, this is a top pick.

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• 【Compatible with Weber Spirit & Genesis Models】 Precisely engineered to fit Weber Spirit 300 Series including Spirit E310, S310, E315, S315, E320, E330, S320, S330, as well as Spirit 700, for Weber 900, and multiple Genesis models like Genesis Silver B/C, Gold B/C (2002+), Genesis 1000–3500 and Genesis Platinum (2000–2010). – Not compatible with Genesis Silver A. – Replacement for Weber parts #7638, 7525, 7527, 65619, 65906. Also fits Weber SmokeFire EX4 / EX6 pellet grills. This set is a direct for weber spirit 300 grill grates replacement, ideal for weber spirit grill parts with confidence and precision.
• 【Also Works with Spirit II & GS4 Grills】 Fully compatible with weber spirit 2 grill grates, including Spirit II E-310, S-310, SP-310, SP-330, and LX 300 Series. An excellent choice to replace aging for weber spirit grill grates 17.5 x 11.5 models or to upgrade GS4 cooking systems. Designed for seamless integration and improved grilling performance. (non-Genesis, did not fit Genesis II LX( incompatibility ) )
• 【Perfect Size & Hassle-Free Installation】 Each grate measures 17.5 x 11.9 inches, making the full set 17.5 x 23.8 inches in total — a compatible replacement for weber spirit 3 burner grill grates . Fits popular models like 45010001, 46510001, 47510001, 46810001, and more.
• 【Heavy-Duty Cast Iron – Built to Last】 Made from solid cast iron, these for weber spirit 300 cast iron grill grates outperform enamel-coated versions in heat retention, durability, and searing ability. They won’t chip or rust easily and are perfect for year-round grilling. These grates are a reliable and stylish upgrade to your ( for weber spirit grill grates ) setup.
• 【Professional-Level Heat Retention & Searing】 Ideal for high-heat cooking and consistent temperature control. These for weber spirit 310 grill grates deliver even heat across the entire surface, locking in juices and leaving bold sear marks. Replace for weber spirit e310 grill parts with this cast iron set and enjoy an upgraded grilling experience with each cook.

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Aura Outdoor Cast Iron Grate – Easy-Clean Weber Kettle Option

This Aura Outdoor grate is designed for 22-inch Weber Kettle grills, as well as barrel grills and the Rec Tec Bullseye. The porcelain enamel coating over cast iron provides a non-stick surface that makes cleaning a breeze. You’ll get superior sear marks and enhanced flavor, thanks to the excellent heat retention of cast iron.

The pre-seasoned surface means food doesn’t stick, so flipping burgers or fish is simple. The durable construction resists breaking down over time, unlike cheaper grates. If you want the benefits of cast iron without the hassle of constant seasoning, this enamel-coated option is a smart choice.

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• SUPERIOR SEAR MARKS: Achieve excellent grill marks and enhanced flavor on your Weber Kettle, Barrel Grill, or Rec Tec Bullseye with this cast iron grill grate
• LONG LASTING DURABILITY: Cast iron construction doesn't break down like other barbeque grill grates, ensuring years of reliable grilling performance
• EASY TO CLEAN: Non-stick cast iron with porcelain enamel coating means that cleaning your grill is easier than ever before
• EASY TO FLIP FOOD: Food does not stick to the pre-seasoned surface, making flipping and removing items simple and hassle-free
• PRECISE DIMENSIONS: Actual size measures 21.5 x 0.5 inches, fits Weber, RecTeq Bullseye, Barrel, and many more 22-inch kettle grills
• HEAT RETENTION: Cast iron material retains and distributes heat evenly across the cooking surface for consistent grilling results

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JCLMER 17-Inch Cast Iron Grates – Durable Nexgrill Replacement

If you have a Nexgrill from Home Depot, these JCLMER grates are a direct replacement for models like the 720-0830H, 720-0888N, and 720-0888S. Each grate measures 17 by 13.25 inches, with a total size of 17 by 26.5 inches. The matte cast iron construction is heavy-duty and designed to distribute heat evenly across the surface.

These grates retain heat superbly, which is essential for achieving a good sear. They fit 4-burner and 5-burner Nexgrill models, including the 720-0830D, 720-0958A, and 720-0783E. The original part numbers include 341-025, 549-057, and 13000123A0. If your Nexgrill grates are rusted or warped, this set will restore performance.

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• 【Dimension】17" x 13 1/4" each, 17" x 26 1/2" total. 【Material】Matte Cast Iron.【Package】2Pack Nexgrill cooking grate. 【Original Part Number】 341-025, 549-057, 13000123A0, 13000394A0, 55-09-152. Kindly compare with the SIZE and MODEL of your original parts before purchasing.
• 【Fits Home Depot Nexgrill】 For 4 Burner 720-0830H, 5 Burner 720-0888, 720-0888N, 720-0830X, 720-0888S. Also Fits Nexgrill 720-0830D, 720-0958A, 720-0783E, 720-0783C, 720-0341, 720-0549, 720-0670A, 720-0670C, 720-0697E 720-0719R 730-0958A 720-0670 720-0670D. 【Fits Charbroil】 For Charbroil 4 Burner 463241113, 463344015, 466344015, 463449914.【Fits Expert】 For Expert Grill 720-0789H 720-0789C 4 Burner Propane Gas Grill.
• 【Premium Quality】 The cooking gratel is made of heavy-duty cast iron to ensure long-term use. It distributes heat evenly over the entire surface to provide you with professional searing. It can replace your old cooking grid grate, extend the life of your grill, make your grill look like new, and reduce your replacement grill costs.
• 【Retain Heat】Cast iron grates not only heat evenly and retain heat superbly, but also deliver professional searing, able to give prominent nice sear marks to meat and veggie.
• 【Fits for Kenmore】122.16119, 122.16129, 122.166419, 122.33492410, 16641, 415.1610711, 415.1610621, 415.23667310, 640-26629611-0, 720-0670A, 720-0830A, 720-0341, 720-0549.【Fits for Uniflame】 GBC091W, GBC940WIR, GBC956W1NG-C, GBC981W, GBC981W-C, GBC983W-C. 【Fits for Uberhaus】780-0003.【Fits for Members Mark】720-0830F. 【Fits for K-Mart】640-26629611-0.
• 【Clean and Maintain】After each use, it is recommended that you leave acooking oil on your cast iron nexgrill grates to protect them from oxidation. Use a paper towel or cloth to wipe away excess oil and food residue. If you decide to clean it with soap and water, be sure to dry the grate with a towel immediately after cleaning so that any residual moisture can evaporate before storing. If you have any questions about the product, please feel free to contact us.

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Uniflasy Cast Iron Grates – Perfect for Charbroil Commercial

These Uniflasy grates are specifically designed for Charbroil Commercial Tru-Infrared 3-burner grills, including models 463355220, 463242516, and 463243016. The cast iron construction is extremely durable and won’t chip or rust like enameled bars. You’ll get beautiful grill marks on your food, thanks to the excellent heat retention.

The grates also fit other Charbroil Commercial Infrared models such as 463242515, 466242515, and 463367516. They are built to last and provide professional searing performance. If you own one of these grills and need a reliable replacement, this set is a great investment.

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• 【Fits Perfectly】 Cooking Grates for Charbroil Commercial Tru-Infrared 463355220 463242516 463243016 463242516 463242515 3 Burner Gas Grill
• 【Also Fits 】Fits Charbroil Commercial Infrared 3 Burner 463242516, 463242515, 466242515, 466242615, 463243016, 463367516, 463367016, 466242516, 466242616, 463346017, 463246018 –for Charbroil Commercial 3-Burner 463364824 463364024 463355422 Infrared Gas Grill
• 【Extremely durable】- Made of durable cast iron to ensure long-lasting use. Do not chip or rust out like the enameled bars, more durable and leave beautiful grill marks on the food
• 【Retain heat】- Cast iron grates not only heat evenly and retain heat superbly, but also deliver professional searing, able to give prominent sear marks to meat/ veggie
• 【How to Avoid Rust？】(1) Make sure that you scrape your grates after each use; (2) Season them by brushing with oil after each use; (3) Leave the dampers open a bit so that condensation does not collect in the grill; (4) Put the lid back on your grill when it is not in use; (5) Cover the grill when it is not in use; (6) If you need to store your grill for a long period of time, heavily coat them in cooking oil, wrap them in a plastic bag and store in your covered grill

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Gcostar Cast Iron Grates – Versatile Charbroil Performance Fit

The Gcostar grates are designed for Charbroil Performance 4-burner grills, including models 463365021, 463352521, and 463350521. The set includes two narrow grates that measure 17 inches, fitting a variety of Charbroil Performance models. The cast iron material ensures even heating and excellent heat retention, which is key for consistent cooking.

These grates also fit Charbroil Performance 2-burner grills and gas/coal combo grills like the 463278418 and 463336818. They are compatible with Kenmore models as well. If you need a versatile replacement that works across multiple Charbroil grills, this is a practical choice.

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• 【Fits for Charbroil Performance 4 burner Grill】- 17 inch grill grate for Char-broil 463365021 463352521 463350521. Cooking Grate for Charbroil 463350722 463352021 463350922, Grill grates replacement parts for Charbroil 463365522 463351021 463351221 463353521 463353021 463351521. Original parts model number: G426-0005-W1, G426-0004-W1
• Fits for Charbroil Performance Grill ➤ Grill grates parts for Charbroil Performance 2 burner 463630021, 463660021, 463660421 Performance 300 Gas grills. Package ➤ 2 x Narrow Grate Dimension: 17" x 7"; 1 x Larger Grate Dimension: 17" x 10 1/2"; no modification needed for proper fit
• Fits for Charbroil Gas Grill ➤ Grill grates for GAS 2 COAL GRILL 463278418, 463336818, 463370516, 463340516, 463370518, 466370516, 463341918, 463370519. Original model: G421-0008-W1. Fits for Charbroil Advantage 463343015, 463344116 Gas Grills. For Charbroil Commercial 463240904, 463240804, 463252105, 463252005, 463251605, 463251505, 463241804, 463241704. Cooking Grid for Charbroil Gourmet Infrared 463250512, 463250511, 463250510, 463250509, 466250511
• Other Applicable Models ➤ Grill Grate Replacements for Kenmore 415.16123, 415.16125, 415.16127, 6400-122390-115, 415-16113, 415-16115, 415-16117, 415-16123, 415-16125, 415-16127. Original model: g430-0016-w1. Fits Broil King: 987734, 987737, 987744, 987747, 987944, 987947, 9869-84, 9877-14, 9877-17, 9877-34, 9877-37, 9877-44, 9877-47, 9879-44, 9879-47, Sovereign 20, Sovereign 70, Sovereign 90, Sovereign 90S
• CAST IRON GRILL COOKING GRATES FOR CHARBROIL ➤ These 463365021 charbroil grill grates are made of top-grade thicker cast iron and with solid rods for more even heating of the food. Because of its durable performance, the grill grids for charbroil 4 burner grill parts can release the original taste of food well, with non-stick function, no coating peeling, strength and longevity

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OGANAZI 11-Inch Round Fire Grate – Efficient Charcoal Combustion

This OGANAZI bottom fire grate is a round, 11-inch cast iron grate designed to hold charcoal effectively. The heavy-duty construction can withstand high temperatures without cracking or breaking. The 0.5-inch thickness adds durability, and the design features appropriately sized holes that prevent blockage from small wood pieces or charcoal.

This grate accelerates combustion, ensuring your charcoal burns more efficiently. The surface is evenly arranged to promote airflow, which helps maintain a consistent temperature. If you need a replacement bottom grate for your BBQ grill or smoker, this is a reliable and sturdy option.

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• Reliable Quality: The round grill grate is made of heavy duty cast iron material, can withstand higher temperatures than normal grate, will not crack or break due to high temperature. Long lasting, strong and easy to clean, a must have grills replacement parts for your Weber gourmet BBO system.
• Grate Dimension: Our BBQ high heat charcoal plate is about 11 inches in diameter, 0.5 inches thickness, a suitable size to hold charcoal effectively. It is recommended to check your old fire grate diameter before purchase, which ensuring you get a reliable and efficient accessory for your barbecuing routines.
• Accelerate Combustion: Compared to other small hole designs that are easily blocked by small wooden blocks and charcoal, our bottom fire grate is designed with appropriately sized hollow stripes. Charcoal ash can fall into the ash tray or collector below through the gaps between the stripes, ensuring air circulation and improving combustion efficiency.
• Great Cooking Experience: The surface of the cast iron grill grate replacement has evenly arranged stripes, which helps to evenly heat food and leave beautiful barbecue stripes when grilling meat and vegetables, enhancing the visual and taste experience of the food.
• Reasonable Clean & Storage: Before the first use, the cast iron grate should be preheated and seasoned by applying a thin layer of cooking oil and heating it to form a natural non stick surface to prevent rusting. After use, it can be cleaned with warm water and a soft brush to avoid food residue and oil accumulation. Dry and store when not in use.

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Leship 19.5-Inch Cast Iron Grates – Weber Genesis 300 Series Fit

These Leship grates are made for Weber Genesis 300 series gas grills from 2007 to 2016, including models like E-310, E-320, S-310, S-320, EP-310, and EP-320. They also fit the E-330, S-330, and EP-330 from 2011 to 2016. The porcelain-coated cast iron provides a non-stick surface that’s easy to clean and produces prominent sear marks.

The set includes two grates, each measuring 19.5 inches, and they are heavy-duty and long-lasting. Note that these are not compatible with Genesis II 300 or Genesis II LX 300 series from 2017 and newer. If you have an older Genesis, this is a great upgrade for better heat retention and cooking performance.

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• These grill grates perfectly fit for Weber Genesis 300 series gas grills models (2007-2016 ONLY): Genesis E-310, E-320, S-310, S-320, EP-310, EP-320
• Also fit for Weber Genesis 300 series gas grills models (2011-2016 ONLY): Genesis E-330, S-330, EP-330
• NOTE: This 19.5" grill grate is fit for Weber Genesis 300 Series Grills(2007 -2016 Only), not fit for Genesis II 300 and Genesis II LX 300 Series Grills(2017 & newer). If you want to purchase Genesis ii 300 Series grill grate, please search for "Leship 18.75" grill grate"
• Package: Set of 2 porcelain cast iron cooking grates, heavy duty and long lasting. Produce prominent sear marks and retains heat superbly
• Dimensions: 19.5 x 12.9 x 0.5 inch for each grate, 19.5 x 25.8 x 0.5 inch for 2 units. Please double check your grill model and dimensions of your current grill grates before you order to ensure that you’re choosing the most appropriate part for your grill

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Buyer’s Guide: What to Consider

Choosing the right cast iron grill grates involves more than just picking a brand. You need to consider compatibility, material, size, and maintenance. This guide will help you understand the key factors to ensure you get the best grates for your grill.

• Compatibility: Always check your grill's brand and model number before purchasing. Grates vary in size and shape, so measure your current grate or refer to your grill's manual. Many products list compatible models, but double-check dimensions to avoid returns.
• Material and Coating: Cast iron is prized for heat retention and searing, but it can rust if not seasoned. Some grates come with a porcelain enamel coating for easier cleaning and rust resistance. Decide whether you prefer traditional cast iron or a coated version based on your maintenance preference.
• Size and Shape: Grill grates come in various sizes, from round kettle grates to rectangular gas grill grates. Measure your grill's cooking area and compare it to the product dimensions. Some sets include multiple pieces, so consider the total coverage area.
• Heat Retention and Searing: Cast iron excels at holding heat, which is essential for achieving good sear marks. If you often grill steaks or burgers, look for grates with thick bars and a solid construction. Thicker grates typically retain heat better and produce more consistent results.
• Maintenance and Care: Cast iron requires seasoning to prevent rust and maintain a non-stick surface. If you prefer low maintenance, choose porcelain-enamel coated grates. Also, consider how easy the grates are to clean—some have smooth surfaces while others have ridges that can trap food.

Conclusion

Cast iron grill grates are a worthwhile investment for any grilling enthusiast. They offer superior heat retention, excellent sear marks, and long-lasting durability. Whether you have a Weber, Char-Broil, Nexgrill, or a charcoal kettle, there’s a grate on this list that will fit your needs.

Consider your grill model, desired features, and maintenance preferences. For most users, a porcelain-coated option like the Aura Outdoor or Leship grates offers the best balance of performance and easy care. If you prefer traditional cast iron, the QuliMetal or Direct Store grates are excellent choices. Happy grilling!