Grill Replacement Parts Specification: ? Grill Grates: 18'' x 9 1/4'' for 1 Bigger Grate, 18'' x 6 1/2'' for Each 1 Smaller Grate. 18'' x 25'' for 3 Pcs Total, Matte Cast Iron. ? Burner Cover:16 15/16" X 2 1/4", Stainless Steel, Original parts number: G470-0004-W1. ? Burner Tube:17 3/4" x 3/5", Stainless Steel, Original parts number: G470-5200-W1. ? Crossover Tube: Adjust from 5.5 to 9 inch, Stainless Steel. ? Package: 3Pcs Grill Cooking Grates + 4pcs Burner + 4pcs Heat plate + 3pcs Carryover tube and 4pcs Grill ignitors. Compatible Models: ?Fits Charbroil Performance 4 Burner Grills?: 463332718, 463332719, 463335517, 463335519, 463342118, 463342119, 463347017, 463347418, 463349917, 463361017, 463376017, 463376117, 463376217, 463377017, 463377117, 463377217, 466335517, 466339417, 466347019, 463376017P1, 463376018P2. ?Orignal Part Number?: Replacement Parts For Charbroil Performance G470-0002-W1, G470-0003-W1, G321-0005-W1, G321-0006-W1, G470-0004-W1A, G321-4C00-W1, G470-5200-W1. Sturdy Construction: ?Resistant against rust and corrosion; ?High quality grill replacement parts, extremely durable; ?Easy to use and clean; ?Perfect to use at gatherings, parties, camping, outdoor activities, dinner parties;