1999-2004 Chevrolet Silverado 1500 V6 4.3L High Output Alternator Amperage:400 amp alternator This high-output alternator comes with

This high-output alternator comes with a separate adaptor plug

This is a direct fit high-output alternator for the 2020-2023 GMC Sierra 2500 HD 6

This is a direct fit high-output alternator for the 1970-1972 Buick LeSabre 7

When two is not enough 315 Custom Audio has the solution

This alternator also comes with a smaller pulley

1999-2004 Chevrolet Silverado 1500 V6 4.3L High Output Alternator Amperage:400 amp alternator This high-output alternator comes withFitment: This is a direct fit high output alternator for the 1999 2004 Chevrolet Silverado 1500 4. 3L. 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