Primo Oval Cast Iron Searing Grates
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Usually ready in 2 hoursFor 20 years, we’ve helped grillers get the most out of their ceramic grills with racks and accessories that fit right and built to last. Whether you're a seasoned pro or just getting started — if you have questions about fit, features, or what you really need, we're here to help
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Most orders ship out same or next business day. And, shipping’s on us for orders over $99.
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Product Description
Heavy-Duty Cast Iron Cooking Grids for Primo Oval Grills
Add the heat retention and searing performance of cast iron to your Primo Oval with a genuine Primo Cast Iron Cooking Grid. Designed for high-temperature grilling, the heavy-duty cast iron bars absorb and hold heat, transferring it directly to steaks, burgers, chops, and other foods for pronounced sear marks.
Each D-shaped cast iron grid replaces one half of your standard Primo Oval cooking grid, allowing you to create a dedicated cast iron searing zone while keeping a stainless steel cooking grid on the opposite side.
Important — One Cast Iron Grid Per Package
Each purchase includes one D-shaped cast iron cooking grid. Two matching grids are required to cover the full Primo Oval cooking surface.
Select the correct grid size for your Primo Oval grill before ordering.
Why Choose Primo Cast Iron Cooking Grids?
- Excellent Heat Retention: Heavy cast iron absorbs, holds, and transfers heat for consistent high-temperature searing.
- Pronounced Sear Marks: Thick cast iron bars provide concentrated contact heat for steaks, burgers, chops, and other grilled foods.
- Half-Grid Flexibility: Replace one standard cooking grid with cast iron while keeping a different cooking surface on the opposite side.
- Full Cast Iron Cooking: Use two matching D-shaped grids to create a complete cast iron cooking surface.
- Genuine Primo OEM Accessory: Designed specifically for the corresponding Primo Oval ceramic grill.
Great for: Steaks, burgers, pork chops, pork tenderloin, tuna steaks, and other foods that benefit from strong direct heat and pronounced sear marks.
Primo Cast Iron Grid Models & Compatibility
Four sizes are available for the Primo Oval Junior, Large, XL, and XXL. Each grill size requires its corresponding cast iron cooking grid.
- PG00363 — Primo Oval Junior 200: D-shaped cast iron cooking grid for the Primo Oval Junior.
- PG00364 — Primo Oval Large 300: D-shaped cast iron cooking grid for the Primo Oval Large.
- PG00361 — Primo Oval XL 400: D-shaped cast iron cooking grid for the Primo Oval XL.
- PG00374 — Primo Oval XXL 500 / 2XL: D-shaped cast iron cooking grid for the Primo Oval XXL.
Product Specifications
- Compatible Grills: Primo Oval Junior, Large, XL, and XXL
- Material: Heavy-duty cast iron
- Shape: D-shaped / half-moon cooking grid
- Cooking Application: Direct grilling and high-temperature searing
- Manufacturer: Primo Ceramic Grills
- Product Type: Genuine Primo OEM cast iron cooking grid
- Package Includes: One D-shaped cast iron grid
- Full Cooking Surface: Requires two matching grids
How to Use Primo Cast Iron Cooking Grids
Primo's two-piece cooking grid design allows you to mix cast iron and stainless steel cooking surfaces in the same grill.
For everyday grilling, use one cast iron grid for steaks, burgers, or other foods that benefit from intense contact heat while keeping the opposite side available for a standard stainless steel cooking grid.
For a complete cast iron cooking surface, install two matching D-shaped grids at the normal cooking grid position.
Allow the cast iron to preheat before adding food. Proper preheating helps the grid develop the contact heat needed for effective searing.
Cast Iron Care & Frequently Asked Questions
Explore the sections below for information about seasoning, cleaning, storage, and selecting the correct cast iron grid.
How Do I Season My Primo Cast Iron Grid?
Cast iron cooking grids benefit from a thin layer of cooking oil to help protect the metal against rust and maintain the cooking surface.
- Clean and dry the cast iron grid before seasoning.
- Apply a very thin coat of high-smoke-point cooking oil, such as canola or grapeseed oil.
- Heat the grid gradually to help develop the seasoning layer.
- Allow the grid to cool before handling or storing.
Avoid applying heavy coats of oil, which can leave a sticky residue instead of a durable seasoning layer.
Cleaning & Rust Prevention
Proper cleaning and drying help protect the cast iron and extend the life of the cooking grid.
- Allow the grid to cool until it is safe to handle.
- Remove food residue with a grill brush or scraper suitable for cast iron.
- Use warm water and a small amount of mild dish soap when necessary.
- Dry the grid completely after cleaning.
- Apply a thin layer of cooking oil to help protect against rust.
- Do not leave the grid soaking in water or place it in a dishwasher.
Normal cast iron discoloration is expected with use. Surface rust can develop if the grid is exposed to moisture without adequate protection.
Can I Mix Cast Iron & Stainless Steel Cooking Grids?
Yes. The two-piece Primo Oval cooking system allows you to use a cast iron cooking grid on one side and a compatible stainless steel cooking grid on the other.
This arrangement is useful when you want a cast iron searing surface for steaks or burgers while retaining a traditional stainless steel grid for other foods.
Do I Need One or Two Cast Iron Grids?
Each package includes one D-shaped cast iron cooking grid, covering approximately half the Primo Oval cooking area.
Use one grid for a dedicated cast iron cooking zone or purchase two matching grids for a complete cast iron cooking surface.
How Do I Know Which Size Cast Iron Grid I Need?
Select the cast iron cooking grid designed for your Primo Oval grill model.
- Oval Junior 200: PG00363
- Oval Large 300: PG00364
- Oval XL 400: PG00361
- Oval XXL 500 / 2XL: PG00374
Primo Oval cooking grid sizes are not interchangeable. If you're uncertain about your model, identify the grill before ordering.
Need help? See our How to Identify Your Primo Oval Grill Size guide.
Note: Each purchase includes one D-shaped cast iron cooking grid. Primo ceramic grill, additional cooking grids, and other accessories shown for illustration only are not included unless specifically stated with the selected product option.
Brand Compatibility & Trademarks
Ceramic Grill Store is an independent specialty retailer and manufacturer of compatible kamado grill accessories with more than 20 years of hands-on ceramic grill experience.
Primo, Primo Oval, and related product names and trademarks are the property of their respective owners and are used solely for product identification and compatibility purposes.