9J1 512 131 J · Stop buffer Porsche genuine (OEM) part number 9J1 512 131 J, Stop buffer. Fitted on (2)BUFFER — pos 3 · PR:K8D,K8S (KAT1209.BIN)BUFFER — pos 4 · PR:K8D,K8S (KAT1209.BIN) Open the interactive exploded diagram →