REPLACEMENT V BELT. REPLACES PART NUMBERS 126-7443-SL, 13726, 126-7443, AND 9-3460. COMPATIBLE WITH RADIUS E-SERIES, S-SERIES, AND X-SERIES. SPECS: 5/8" X 163". PLEASE REFER TO ORIGINAL OWNERS MANUAL OR MODEL NUMBER TO VERIFY THIS IS THE CORRECT PART FOR YOUR MACHINE. Warning:Lead-Nickel-Cancer and Reproductive Harm