2007 GMC Sierra 1500 HD Classic V8 6.0L High Output Alternator Amperage:400 amp alternator Standard with 3 of the

Standard with 3 of the smoothest potentiometers in the game today

switch control allows you to go between the voltmeter or voltmeter and led so you can have control when you want your knob lit or dark for those drives at night

This is a direct fit high-output alternator for the 1999-2002 Ford Grand Marquis 4

This is a direct fit high-output alternator for the 1977-1981 Buick Century 5

This is a direct fit high-output alternator for the 1991-1993 Chevrolet P30 6

2007 GMC Sierra 1500 HD Classic V8 6.0L High Output Alternator Amperage:400 amp alternator Standard with 3 of theFitment: This is a direct fit high output alternator for the 2007 GMC Sierra 1500 HD Classic 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