The most useful way to check whether this flavor bar fits your grill is to compare its sizes with your original one, especially the length and width. Please note there are two half-moon-shaped opening on the both sides of each flavorizer bar. Grill Replacement Part for Weber Genesis II 300 and Genesis II LX 300 Grills as below: Weber Genesis II 300 Series (2017 and newer) -Genesis II E-310, S-310 -Genesis II E-315, S-315 -Genesis II E-330, S-330 -Genesis II E-335, S-335 Weber Genesis II LX 300 Series (2017 and newer) -Genesis II LX E-340 -Genesis II LX S-340 Please note it is incompatible with any side-mount control or Genesis I series grill. Package: Contains five flavorizer bars per pack. Dimensions: Each bar measures 17-1/8 inches long, 3 inches wide and 2-1/8 inches high. Our good after-sales service is always standing by you!