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. Grill Replacement Part for Weber GS4 Spirit II 300 series and Spirit 300 series Grills with Front-Control panel as below: Weber Spirit II 300 Series (2017-current) -Spirit II E-310, S-310 -Spirit II E-320, S-320 -Spirit II E-330, S-330 Weber Spirit 200 Series (2013-2017) -Spirit E-310, S-310 -Spirit E-320, S-320 -Spirit E-330, S-330 Please note it is incompatible with any side-mount control panel grill. Package: Contains five flavorizer bars per pack. Dimensions: Each bar measures 15.3 inches long, 2.6 inches wide and 2.5 inches high. Material: Porcelain enameled steel. Thickness and Weight: Each bar is average 16 GA thick and weighs up to 1.1 LB.