New parts from bbq factory Replacemen t Costco Kirkland 720-0077, 720-0070 Gas Grill Stainless Steel Heat Plate and Burner-3Pa ck, Stainless Steel Burner : 16 1/2″ x 6 1/8″; Material: Stainless Steel; Stainless Steel Heat Plate Dimensions: 17 5/16″ x 9 7/8″; Intensive holes for better flame effect. Cooks better! Lasts longer; Extend the life of your grill; Exact-fit parts;