4M8 809 378 B · Sill Audi genuine (OEM) part number 4M8 809 378 B, Sill. Fitted on (2)SILL — pos (6) · PR:0K0,0K4+ (KAT429.BIN)SILL — pos (6) · PR:5C0 (KAT595.BIN) Open the interactive exploded diagram →