1. Specifications:

Alternator Style: AD244
Finish: Black
Voltage: 12V
Amperage: 220 Amp
Number of Pins: 4-Pin
Pulley Included: Yes
Pulley Style: Serpentine
Pulley Groove Quantity: 6
Regulator Style: Internal

2. Will Fit Following Models:

Replacement for GM LS Based Trucks, Vans & SUV Applications 1999-2006

Replacement for Chevy Big Block V8 Gen VII 8.1L / 496ci
Replacement for Chevy Small Block V8 Gen I 5.0L / 305ci, 5.7L / 350ci
Replacement for Chevy Small Block V8 Gen III/IV (LS Based) 4.8L / 294ci, 5.3L / 325ci, 5.7L / 346ci, commonly referred to as 350, 6.0L / 364ci
Replacement for Duramax Diesel V8 6.6L / 403ci
Replacement for GM Diesel V8 6.5L / 395ci
Replacement for GM 90° V6 4.3L / 262ci