Let's make sure these Weber Genesis Grill Parts are suitable for: The first, the Weber Genesis ii heat deflector ( parts number 66685 or 66040 ) measures 12 1/2 inch in length( Qty: 3); and the Weber Genesis ii flvavorizer bars (parts number 66795 or 66032 ) measures 17 1/8 inches in length (Qty: 5); This Weber Genesis Grill Replacement Parts Set includes 3+5. The second, your old Weber Genesis II with Gs4, models year 2017 and newer, such as Weber Genesis II E-310 Lp/Ng Blk/Ss/Mocha (Us/Ca/Mx), and Weber Genesis ii S-310, Weber Genesis ii Se-310 and more Upgrade From Pocerlain Enamel to Stainless Steel: You will get the weber genesis ii grill parts that are made of solid stainless steel. You would find out The original grill, stainless steel is more expensive than porcelain enameled. Our Weber genesis ii flavorizer bars heat deflector heavy duty and more durable than others. Retaining and transferring heat, distributes heat more evenly than other materials, long lasting Fits Weber "ii LX" 340 & "ii" 310 Grills: Fits weber Genesis II 300 series gas grill parts ( model years 2017-current) : weber genesis ii e-310, weber Genesis ii s-310, weber Genesis ii se-310, weber Genesis ii e-315, weber genesis ii s-315, weber genesis ii se-315, weber genesis ii e-325, weber genesis ii e-330, weber genesis ii e-335, weber genesis ii s-335, weber genesis ii se-335,Weber Genesis ii Lx e/s/css/cse-340 and more. weber genesis ii gs4 grill parts flavorizer bars 17 inch Easy to Install and Easy to Clean: Just a few minutes to repalce your weber genesis II grill parts. The weber genesis ii Flavorizer Bars and weber 66685 heat deflector are smooth surface and easy to clean and maintenance, non-stick oil and save your time on cleaning, after use just wash with soapy water, then dry the heat plate completely with a towel Compatible with Weber Grill Original Models Number: 61010001, 66010001, 66060001, 61011001, 66011001, 61000001, 66000001, 61001001, 66001001, 61060001, 61010201, 66010201, 61011201, 66011201, 61015001, 61025001, 61075001, 66015001, 61017901, 61077901, 66017901, 66077901, 61012001, 66012001, 61012201, 66012201, 61012401, 66012401, 61006001, 66006001, 61016201, 66016201, 61006401, 66006401, 61016401, 66016401, 61016001, 66016001, 61006599, 61004001, 66004001, 61004201, 66004201, 61014201 & more