Search by number: 2010 Audi TT Quattro 2.0L 4 Cyl Alternator ProAmp 23255 $169.00 each OPTIONS: Turbocharged; 140 Amps ProAmp 11134 $178.00 each OPTIONS: S; Turbocharged; 140 Amps BOSCH ProAmp 11149 $191.00 each OPTIONS: S; Turbocharged; 140 Amps VALEO ProAmpN 11134N $240.00 each OPTIONS: S; Turbocharged; 140 Amps BOSCH 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