Search by number: 2011 Audi R8 5.2L 10 Cyl Alternator ProAmp 11484 Call for Price OPTIONS: Spyder; To 09/06/2010; 190 Amps ProAmp 11719 Call for Price OPTIONS: Spyder; From 09/06/2010; 190 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