New parts from bbq factory: Jenn Air Gas Grill 720-0337 Replacement Burners,Heat Plates,Grill Grid Grates; Burner Dimensions: 15 13/16 inch x 4 3/8 inch; Burner Material: Stainless Steel; Heat Plate Dimensions: 17 3/4″ x 6 3/8″; Heat Shield Material: Porcelain Steel; Grill Grate Dimensions: 19 1/4″ x 10 3/8″; Each or 19 1/4″ x 31 1/8″; Total; Cooking Grid Material: Cast Iron Porcelain coated; Intensive holes for better flame effect. Cooks better! Lasts longer; Extend the life of your grill; Exact-fit parts;