4N0 810 120 M · b-pillar Audi genuine (OEM) part number 4N0 810 120 M, b-pillar. Fitted on (2)PILLAR B — pos (12) · PR:5C1 (KAT838.BIN)PILLAR B — pos (12) · PR:5C1 (KAT838.BIN) Open the interactive exploded diagram →