4F5 863 373 · insert rail Audi genuine (OEM) part number 4F5 863 373, insert rail. Fitted on (3)RAIL — pos 6 · PR:3NZ (KAT448.BIN)RAIL — pos 6 (KAT641.BIN)RAIL — pos 6 · PR:3NZ (KAT648.BIN) Open the interactive exploded diagram →