05-12 Chevy Colorado Hummer H3 GMC Canyon 3.5 3.7

these are alternators for 05-12 Colorado, hummers, and canyons with the 3.5 or 3.7L engine m.

all options are direct bolt on, and plug in or come with an adapter to plug in. Please ask about our voltage options if you’re looking to bypass / charge higher. These units will be set at 14.8v standard. 

All new units come with a lifetime warranty at parts cost, for repair and rebuild. No question’s asked!!! Every unit is tested before it ships, and comes with an-output test sheet as well as voltage operating range and directions for installation. 

2-3 weeks is average lead time on new units this time of year. All units are built to order, and have no cancellations / returns. Please verify with us this is the correct unit before purchasing if you are not sure of fitment on your vehicle. These are custom built alternators, not stock alternators. 

All alternators are supplied in their standard factory color, with the option for custom powder coating available upon request. Please note that the alternator shown in the image may feature a custom color and may not be the exact color alternator you receive, unless specifically requested.