New parts from bbq factory Replacement Jenn Air Gas Barbecue Grill 720-0337 Grill Burners,Heat Plates-4pack; Burner Dimensions: 15 13/16″ x 4 3/8″ ; Burner Material: Stainless Steel; Heat Plate Dimensions: 17 3/4″ x 6 3/8″ ; Heat Shield Material: Porcelain Steel; Intensive holes for better flame effect. Cooks better! Lasts longer; Extend the life of your grill; Exact-fit parts;