Amazon.com: X Home 7638 Grill Grates Replacement for Weber Spirit 300 Series, E-310 E-330, Genesis Silver/Gold B & C Grill Replacement Parts, Cast Iron, 17.5 x 11.9 Inch, 2-Pack : Patio, Lawn & Garden
Amazon.com : Weber Porcelain-Enameled Cooking Grates for Spirit 200 Series Gas Grills (2 Grates/pack) (17.5 x 10.2 x 0.5) , Black : Patio, Lawn & Garden
Weber Spirit II 300 series 17.3-in x 11.8-in 2-Pack Rectangle Stainless Steel Cooking Grate in the Grill Cooking Grates & Warming Racks department at Lowes.com