8W5 035 412 · Bass loudspeaker Audi genuine (OEM) part number 8W5 035 412, Bass loudspeaker. Fitted on (2)BASS — pos 18 · PR:9VD+3Y0 (KAT216.BIN)BASS — pos 18 · PR:9VD (KAT849.BIN) Open the interactive exploded diagram →