Search by number: 2015 Audi A6 Quattro 3.0L 6 Cyl Alternator ProAmp 11639 Call for Price OPTIONS: TDI Premium Plus; Turbocharged; 180 Amps HITACHI; DIESEL ProAmp 11705 Call for Price OPTIONS: TDI Premium Plus; Turbocharged; 180 Amps VALEO; DIESEL ProAmp 88888-102365 Call for Price OPTIONS: Premium Plus; Supercharged; 180 Amps Why is there more than one unit for my car? Look at the TECH SPECS when more than one unit is shown for your car. AMPS (ELECTRIC CAPACITY): must match you vehicle electric requirements. *** Call us if you are looking to increase your unit capacity! OE ALTERNATOR MANUFACTURER: It is recommended to match the Make of your alternator