4K0 261 529 N · Fuel line Audi genuine (OEM) part number 4K0 261 529 N, Fuel line. Fitted on (2)FUEL LINE — pos 9 · PR:9M1,9M9 (KAT537.BIN)FUEL LINE — pos 9 · PR:9M1,9M9 (KAT538.BIN) Open the interactive exploded diagram →