06R 903 137 B · Poly-V-belt Audi genuine (OEM) part number 06R 903 137 B, Poly-V-belt. Fitted on (2)PLY-V-BELT — pos 10 (KAT1201.BIN)PLY-V-BELT — pos 20 (KAT1202.BIN) Open the interactive exploded diagram →