Uniflasy Cast-Iron Grill Grates for Char-Broil Performance 4-Burner (3-Piece) — Direct-Fit, Heavy-Duty Heat Retention & Sear

If your Char-Broil Performance grill has worn, warped, or rusted cooking bars, this three-piece Uniflasy cast-iron set brings back even heat distribution, professional sear marks, and long-lasting durability. Engineered to match the original part numbers (including G321-0005-W1, G321-0006-W1, G470-0003-W1, G470-0002-W1) and to fit a wide range of Char-Broil Performance Series 2-, 4-, and 5-burner models, the set includes two larger grates plus one smaller grate to recreate the factory cooking surface and simplify replacement.

Which Char-Broil models does this Uniflasy set fit?

The set is designed as a direct replacement for numerous Char-Broil Performance grills, covering many common model numbers across 2-, 4-, and 5-burner configurations. Check your original part number or model list to confirm compatibility before purchase.

• Compatible with Char-Broil Performance 4-burner models including 463342119 and 463377017 series.
• Also fits several 5-burner and 2-burner Performance models listed in the product features.
• Original part numbers matched for an easier swap: G321-0005-W1, G321-0006-W1, G470-0003-W1, G470-0002-W1.

How are the grates sized and what is included in the package?

The replacement set provides full cooking surface coverage using three cast-iron pieces sized to match the OEM layout. Dimensions are given so you can confirm fit and placement before installation.

• One smaller piece: 18" x 6.5" (approx.) for the center or offset section.
• Two larger pieces: each 18" x 9.3" to cover the remaining surface.
• Total cooking area assembled is about 18" x 25"; package includes 3 grates.

What are the performance and care benefits of cast iron vs. enameled bars?

Cast iron delivers superior heat retention and bold sear marks, and it withstands heavy use without chipping like some enameled bars. With proper care, cast-iron grates give consistent cooking and a longer service life.

• Heavy-duty cast iron: resists chipping and lasts longer than many coated alternatives.
• Excellent heat retention and even searing for better grill marks and crust development.
• Simple maintenance—scrape, season with oil, and store properly to avoid rust.

How do I prevent rust and maintain these replacement grates?

Cast-iron needs routine care to stay rust-free and perform at its best. Follow straightforward cleaning and seasoning steps after each use and when storing for extended periods.

• Scrape grates clean immediately after grilling to remove residue and food particles.
• Brush the grates with cooking oil while warm to maintain the seasoned surface.
• Leave grill dampers slightly open and cover the grill to reduce condensation buildup.
• For long-term storage: heavily oil, wrap in plastic, and keep in a covered area.

Who is this for: This Uniflasy cast-iron cooking grate set is for Char-Broil owners whose existing bars are rusted, cracked, or missing and who want an OEM-size replacement that improves heat retention and searing. It’s ideal for backyard grillers who value strong grill marks, even cooking across multiple burners, and a durable material that—when cared for—outlasts many coated alternatives.