2015-2019 Chevrolet Silverado 2500 HD V8 6.0L High Output Alternator JS Alternators These units come with a

These units come with a smaller pulley which requires installing a half inch to an inch shorter belt

but if you're looking at modifying it down the road (winches/lights/etc) then you'd want 2GA

This is a direct fit high-output alternator for the 1990 Dodge Daytona 3

This alternator does not fit the Harley Davidson Edition or the Ford Lightning

2015-2019 Chevrolet Silverado 2500 HD V8 6.0L High Output Alternator JS Alternators These units come with aFitment: This is a direct fit high output alternator for the 2015 2019 Chevrolet Silverado 2500 HD 6. 0L. Being a direct fit, this alternator fits directly into your stock alternator location. Plug: This high output alternator comes with a factory style plug so that your OEM plug will plug directly into the alternator. Therefore, with an OEM style regulator, it will have a factory voltage set point. NOTE: If you require charging at a certain voltage