4K8 810 073 · b-pillar Audi genuine (OEM) part number 4K8 810 073, b-pillar. Fitted on (2)PILLAR B — pos 9 · PR:5C0 (KAT435.BIN)PILLAR B — pos 9 · PR:5C0,5C3 (KAT538.BIN) Open the interactive exploded diagram →