ACDelco GM Original Equipment Light Duty Alternators have components that are newly manufactured， and are GM-recommended replacement for your vehicles original alternator. Alternators provide power to the vehicle's electrical systems and charge the battery while the engine is running. These original equipment alternators have been manufactured to fit your GM vehicle， providing the same performance， durability， and service life you expect from General Motors.

100% newly manufactured as an exact replacement for your GM vehicles original alternator

Components are tested to meet original specification requirements for remarkable durability

GM-recommended replacement part for your GM vehicles original factory component

Offering the quality， reliability， and durability of GM OE

Popular Fitments: 2011-2014 Cadillac Escalade，Escalade ESV， 2011-2013 Cadillac Escalade EXT， 2009-2013 Cadillac Escalade， 2007-2010 Cadillac Escalade，Escalade ESV，Escalade EXT

Popular Fitments: 2008-2014 Chevrolet Silverado 2500 HD 6.0L 6.6L， 2007-2014 Chevrolet Suburban 1500，Tahoe， 2007-2014 Chevrolet Silverado 3500 HD 6.0L 6.6L， 2011-2013 Chevrolet Avalanche， 2010-2013 Chevrolet Silverado 1500， 2008-2013 Chevrolet Silverado 1500，Tahoe

Popular Fitments: 2008-2014 GMC Sierra 2500 HD 6.0L 6.6L， 2007-2014 GMC Yukon，Yukon XL 1500 5.3L 6.2L， 2007-2014 GMC Sierra 3500 HD 6.0L 6.6L， 2008-2013 GMC Sierra 1500 4.3L 4.8L 5.3L 6.2L， 2008-2013 GMC Sierra 1500，Yukon， 2007-2013 GMC Yukon XL 2500

Popular Fitments: 2008 Hummer H2