bbq factory&reg; Replacement Costco Kirkland 720-0077, 720-0070 Gas Grill Stainless Steel Burner & Porcelain Stee Heat Plate and -3Pack Fits Nexgrill 720-0011,720-0047-U Grill Original Part Numbers: NGB1, NGSHP3, Stainless Steel Burner : 16 1/2" x 6 1/8" Stainless Steel Heat Plate Dimensions: 17 5/16" x 9 7/8" this item include 3pcs of Stainless Steel burner and 3pcs of Porcelain Stee heat plate