Search by number: 1998 Audi A6 & A6 Quattro 2.8L Starter ProAmp 17407 $84.00 each OPTIONS: Eng Code AFC, Bosch Unit ProAmp 17778 $100.00 each OPTIONS: Eng Code AHA, Bosch Unit ProAmpN 17778N $138.00 each OPTIONS: Eng Code AHA, Bosch Unit ProAmpN 17407N $161.00 each OPTIONS: Eng Code AFC, Bosch Unit