The listing is 24 1/2 "heat plate . If you need the 17 1/2 " heat plate, please search this purchase link "B0CQPCN3B2". Fits Weber Genesis 310 and 320 series grills with Side Control Panel Only Genesis E-310, Genesis E-320, Genesis EP-310, Genesis EP-320, Genesis S-310, Genesis S-320 (2007-2010) Gas Grills Fits Weber Model Part Numbers (sticker located inside grill cabinet doors): 3841001, 3851001, 3841301, 3851301, 3840101, 3850101, 3870001, 3880001, 3741001, 3751001, 3741301, 3742301, 3751301, 3752301, 3756301, 3740101, 3750101, 3750201, 3770001 The burner tube set includes the 3 main burners and 1 crossover burner. Main Burners measure 34-1/4" tip to tip, Carryover tube is 12-3/4" long Flavorizer Bars Dimensions: 24.5" (L) x 2.0" (W) x 2.0" (H) Each, 5-Pack, 20 GA., Made of 430 stainless steel Make sure you measure the size of your original parts and compare with ours BEFORE you order. Not Compatible with Weber Genesis 300 series grills with Front Control Panel Hongso 7535 7507 69785 7635 7508 7536 69787 7636 Replacement Burners and Flavorizer Bars for Weber Spirit 200 300 Series (with Side Front Mounted Control Panel), Genesis Silver A Gas Grill