If you are serious about grilling, you know that the grates you cook on can make or break your meal. Cast iron grill grates are the gold standard for heat retention and searing, giving you those beautiful, flavorful crusts on steaks and vegetables that you simply cannot achieve with thinner materials.
This guide reviews ten top-rated cast iron grill grates, covering a range of sizes and compatibility for popular gas and charcoal grills. Whether you need a direct replacement for your Weber or Char-Broil, or you want to upgrade your kettle grill, you will find the perfect set here. We break down each product’s key features, pros, and cons to help you make an informed choice.
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Direct Store DC130 17.5" 7638 2pk Cast Iron Cooking Grill Grates Replacemen…
Best forWeber Spirit and Genesis gas grills
- Heavy-duty cast iron
- Fits many Weber models
ConsiderCheck size compatibility
Votenli C6505A(4-Pack) 19 3/4" Cast Iron Cooking Grid Grates Replacement fo…
Best forChargriller and King Griller gas grills
- Four-piece set
- Fits multiple models
ConsiderFragile during shipping
onlyfire 2-in-1 Cast Iron Grill Grate Replacement Weber Gourmet BBQ System
Best forWeber 22.5-inch kettle grills
- Removable center sear grate
- Fits Weber kettle models
ConsiderOnly fits 22.5-inch kettles
17 Inch Cast Iron Grill Grates for Nexgrill Home Depot 720-0830H 720-0888N
Best forNexgrill 4 and 5 burner gas grills
- Perfect fit for Nexgrill
- Matte cast iron durable
ConsiderOnly fits Nexgrill models
Cast Iron Grill Grate for 22 Inch Weber Kettle Grill, Better Sear Marks
Best forEasy cleaning and non-stick cooking
- Porcelain enamel coating
- Non-stick surface
ConsiderCoating may chip over time
17" Cast Iron Grill Grates for Charbroil Commercial Infrared 463355220 4632…
Best forCharbroil Commercial Infrared 3-burner …
- Durable cast iron
- Fits multiple Charbroil models
ConsiderOnly fits 3-burner models
QuliMetal 7638 7639 Grill Grates Replacement for Weber Spirit 300 Series,Gr…
Best forWeber Spirit and Genesis gas grills
- Fits many Weber models
- Heavy-duty cast iron
ConsiderMay require seasoning
Cast Iron Bottom Fire Grate – 11 Inch Round BBQ Grill Grate Replacement
Best forCharcoal grill bottom fire grate
- Heavy-duty cast iron
- Promotes airflow
ConsiderOnly 11 inches round
Leship 19.5 inch Cooking Grates Replace for Weber 7524, 7528, Weber Genesis…
Best forWeber Genesis 300 series (2007-2016)
- Porcelain coated cast iron
- Fits Genesis 300 series
ConsiderNot for Genesis II
KEESHA 8835 Cast Iron 21.5" Grill Grates with 12" Centre Insert
Best forWeber 22-inch charcoal grills and fire …
- Includes center insert
- Fits Weber 22-inch models
ConsiderCenter insert may be small
Direct Store DC130 17.5" 7638 2pk Cast Iron Grill Grates – Weber Spirit & Genesis
Brand: Direct Store
A reliable replacement for Weber gas grills needing durable, even-cooking grates.
These Direct Store grates are a solid choice if you own a Weber Spirit or Genesis gas grill. Each grate measures 17.5 by 11.9 inches, and the set covers a total area of 17.5 by 23.8 inches, fitting many popular models like the Spirit E-310 and Genesis Silver B/C. The cast iron construction is heavy and built to last, providing excellent heat retention for consistent cooking.
You will appreciate the even heat distribution across the surface, which helps prevent hot spots and ensures your food cooks uniformly. This set is a practical upgrade if your original grates are rusted or worn out. Just double-check your grill model and size before ordering, as the brand notes that the listed models are for reference only.
- Heavy-duty cast iron
- Fits many Weber models
- Even heat distribution
- Check size compatibility
- Requires seasoning
Votenli C6505A 4-Pack 19 3/4" Cast Iron Grates – Chargriller & King Griller
Brand: Votenli
A comprehensive replacement set for Char-Griller owners seeking durable, high-performance grates.
If you own a Char-Griller or King Griller gas grill, this four-pack from Votenli is designed to fit a wide range of models, including the 2121, 3008, and 5050. Each grate measures 19.75 by 6.75 inches, and the set covers a total of 19.75 by 27 inches. The glossy cast iron finish not only looks great but also promotes excellent heat retention and searing.
One thing to keep in mind is that cast iron is fragile, so you should carefully unpack and inspect the grates upon delivery. The package includes four grates, giving you plenty of cooking space. This set is ideal for replacing worn-out grates on your Char-Griller Duo or similar models, restoring your grill’s performance.
- Four-piece set
- Fits multiple models
- Glossy cast iron finish
- Fragile during shipping
- Requires careful handling
onlyfire 2-in-1 Cast Iron Grill Grate – Weber Gourmet BBQ System
Brand: onlyfire
A versatile two-piece grate set that enhances searing on Weber kettle grills.
This onlyfire grate is a versatile addition to any Weber 22.5-inch kettle grill, including the Original Kettle Premium and Performer models. It features a 21.5-inch outer grate with a removable 11.8-inch inner sear grate, giving you the flexibility to cook different foods simultaneously. The cast iron construction ensures even heating and superb heat retention, which is perfect for achieving professional sear marks.
The surface is designed to be easy to clean, and the pre-seasoned finish helps prevent sticking. You can use the center insert for direct grilling or remove it to access the charcoal for adding wood chips. This 2-in-1 design is a smart upgrade for kettle grill owners who want more control over their cooking.
- Removable center sear grate
- Fits Weber kettle models
- Professional sear marks
- Only fits 22.5-inch kettles
- Center insert may be small
JCLMER 17 Inch Cast Iron Grill Grates – Nexgrill Home Depot Models
Brand: JCLMER
A precise replacement for Nexgrill owners seeking durable, even-cooking grates.
These JCLMER grates are specifically designed for Nexgrill gas grills sold at Home Depot, including 4-burner and 5-burner models like the 720-0830H and 720-0888N. Each grate measures 17 by 13.25 inches, and the set covers a total of 17 by 26.5 inches. The matte cast iron finish is heavy-duty and built to withstand high temperatures without warping.
You will notice improved heat distribution across the entire surface, which helps eliminate cold spots and ensures your food cooks evenly. The grates also retain heat superbly, allowing for excellent searing. This is a straightforward replacement that fits perfectly, so you can get back to grilling without any hassle.
- Perfect fit for Nexgrill
- Matte cast iron durable
- Even heat distribution
- Only fits Nexgrill models
- Requires seasoning
Aura Outdoor Products Cast Iron Grill Grate – 22 Inch Weber Kettle
Brand: Aura outdoor products
A durable, low-maintenance cast iron grate that delivers excellent sear marks with easy cleanup.
This Aura Outdoor Products grate is designed for 22-inch Weber kettle grills, but it also fits barrel grills and Rec Tec Bullseye models. The cast iron construction is coated with porcelain enamel, which makes it non-stick and incredibly easy to clean. You will love how food releases effortlessly, making flipping and removing items a breeze.
The pre-seasoned surface ensures excellent sear marks and enhances the flavor of your food. Unlike bare cast iron, the porcelain enamel coating protects against rust and breakdown, so this grate will last for years. If you want a low-maintenance cast iron option, this is a top pick.
- Porcelain enamel coating
- Non-stick surface
- Easy to clean
- Coating may chip over time
- Only fits 22-inch kettles
Uniflasy 17" Cast Iron Grates – Charbroil Commercial Infrared
Brand: Uniflasy
A sturdy replacement for Charbroil infrared grills that ensures even heating and great sear marks.
These Uniflasy grates are made for Charbroil Commercial Tru-Infrared 3-burner gas grills, fitting models like the 463355220 and 463242516. The cast iron construction is extremely durable and won’t chip or rust like enameled bars. You will appreciate the beautiful grill marks it leaves on your food, thanks to its excellent heat retention.
The grates are designed to distribute heat evenly, ensuring consistent cooking across the entire surface. They also deliver professional searing, giving your steaks a restaurant-quality crust. This is a reliable replacement that will restore your Charbroil grill’s performance and last for many seasons.
- Durable cast iron
- Fits multiple Charbroil models
- Professional searing
- Only fits 3-burner models
- Requires seasoning
QuliMetal 7638 7639 Grill Grates – Weber Spirit & Genesis, Spirit II
Brand: QuliMetal
A versatile, high-quality replacement for Weber gas grill owners seeking durability and performance.
QuliMetal’s grates are precisely engineered to fit a wide range of Weber gas grills, including the Spirit 300 series, Genesis 1000-3500, and Spirit II models. Each grate measures 17.5 by 11.9 inches, with a total coverage of 17.5 by 23.8 inches. The heavy-duty cast iron construction is built to last and provides excellent heat retention.
Installation is hassle-free because the grates are designed to drop right into place. You will enjoy even heating and professional searing, which enhances the flavor of your grilled foods. This set is a versatile choice if you own multiple Weber grills or plan to upgrade in the future.
- Fits many Weber models
- Heavy-duty cast iron
- Easy installation
- May require seasoning
- Not for Genesis II 300
OGANAZI Cast Iron Bottom Fire Grate – 11 Inch Round
Brand: OGANAZI
A durable bottom grate that improves combustion and airflow for charcoal grills.
This OGANAZI fire grate is a specialized component for charcoal grills, measuring 11 inches in diameter with a 0.5-inch thickness. It is made of heavy-duty cast iron that can withstand high temperatures without cracking or breaking. The design features appropriately sized holes that promote better airflow and accelerate combustion.
Compared to other grates with small holes that get blocked by charcoal and debris, this one ensures consistent airflow for a steady fire. The surface is evenly arranged to hold charcoal effectively, giving you a reliable base for your grilling sessions. This is an essential replacement if your current fire grate is worn out.
- Heavy-duty cast iron
- Promotes airflow
- Resists high temperatures
- Only 11 inches round
- Not for cooking surface
Leship 19.5 Inch Cooking Grates – Weber Genesis 300 Series
Brand: Leship
A high-quality replacement for older Weber Genesis grills that offers easy cleaning and great searing.
These Leship grates are designed for Weber Genesis 300 series gas grills from 2007 to 2016, including models like the E-310 and S-320. Each grate is 19.5 inches, and the set includes two porcelain-coated cast iron grates. The porcelain coating provides a non-stick surface that is easy to clean and resists rust.
You will enjoy prominent sear marks and superb heat retention, thanks to the cast iron core. The grates are heavy-duty and long-lasting, making them a great investment for your grill. Just ensure your grill is from the specified years, as they won’t fit Genesis II models.
- Porcelain coated cast iron
- Fits Genesis 300 series
- Easy to clean
- Not for Genesis II
- Only fits 2007-2016 models
KEESHA 8835 Cast Iron 21.5" Grill Grates with 12" Centre Insert
Brand: KEESHA
A versatile cast iron grate set that enhances your Weber kettle grill and works for outdoor cooking.
This KEESHA grate set is a perfect replacement for Weber 22-inch charcoal grills, including the Original Kettle Premium and Master-Touch models. The package includes a 21.5-inch matte cast iron grate and a 12-inch center insert, giving you flexibility for different cooking methods. The removable center allows you to add wood chips or access the charcoal directly.
The matte cast iron material is durable and retains heat exceptionally well, ensuring even cooking and beautiful sear marks. This set is also versatile enough for outdoor cookers and fire pits. If you want a grate that offers both performance and versatility, this is an excellent choice.
- Includes center insert
- Fits Weber 22-inch models
- Versatile for fire pits
- Center insert may be small
- Requires seasoning
Buyer’s Guide: What to Consider
Choosing the right cast iron grill grates involves more than just picking a size. Consider your grill type, cooking style, and maintenance preferences. This guide highlights key factors to help you make an informed decision.
- Size and Compatibility: Measure your grill's cooking area and check the model number against the product's compatibility list. Many grates are designed for specific brands and series, so ensure a proper fit to avoid gaps or overhang.
- Material and Coating: Cast iron grates come in bare, seasoned, or porcelain-enameled versions. Bare cast iron offers excellent heat retention but requires seasoning and maintenance. Porcelain-coated grates are easier to clean and resist rust but may chip over time.
- Heat Retention and Searing: Cast iron is prized for its ability to retain heat and deliver professional sear marks. Look for grates that are thick and heavy, as they will hold heat better and provide more consistent cooking temperatures.
- Ease of Cleaning: Consider how much maintenance you are willing to do. Bare cast iron needs to be seasoned and cleaned carefully, while porcelain-coated grates can be wiped down easily. Some grates are also pre-seasoned for immediate use.
- Durability and Warranty: Cast iron is durable but can be brittle, especially during shipping. Check for signs of damage upon delivery and look for products with a warranty or guarantee. Heavy-duty grates are less likely to warp or crack over time.
Conclusion
Cast iron grill grates are a worthwhile upgrade for any grill, offering superior heat retention and searing capabilities. Whether you need a replacement for your gas grill or want to enhance your charcoal kettle, the options above cover a range of sizes and compatibility. Each product has been reviewed for its specific strengths, so you can choose the one that best fits your needs.
For most Weber gas grill owners, the QuliMetal or Direct Store grates are excellent choices, while kettle users will appreciate the versatility of the onlyfire or KEESHA sets. If you have a Char-Broil or Nexgrill, the Uniflasy and JCLMER options are tailored for you. Remember to measure your grill and consider maintenance preferences before purchasing. Happy grilling.
Erica Steven is the founder and lead writer of WorstBrands, a site dedicated to providing honest and trustworthy reviews about outdoor gear and fashion products.
With a passion for exploring the great outdoors and staying up to date on the latest fashion trends, Erica uses her expertise to provide valuable insights into the products that matter most to her readers.
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