4A0 919 031 D · Fuel gauge Audi genuine (OEM) part number 4A0 919 031 D, Fuel gauge. Fitted on (2)GAUGE — pos (1) · S4,S4 4.2 (KAT119.BIN)GAUGE — pos (1) · S4,S4 4.2 (KAT139.BIN) Open the interactive exploded diagram →