06L 903 137 A · Poly-V-belt Porsche genuine (OEM) part number 06L 903 137 A, Poly-V-belt. Fitted on (2)PLY-V-BELT — pos 12 (KAT1044.BIN)PLY-V-BELT — pos 12 (KAT1052.BIN) Open the interactive exploded diagram →