8B3 512 131 H · Stop buffer Audi genuine (OEM) part number 8B3 512 131 H, Stop buffer. Fitted on (3)BUFFER — pos 7 (KAT1201.BIN)BUFFER — pos 7 (KAT1201.BIN)BUFFER — pos 7 (KAT1201.BIN) Open the interactive exploded diagram →