| Make | Model | Year |
|---|---|---|
| Buick | Rainier | 2004-2005 |
| Cadillac | Escalade | 2003-2004 |
| Chevy | Avalanche | 2003-2004, 2006 |
| Express | 2003-2017 | |
| Silverado 1500 | 2003-2007 | |
| Silverado 2500 | 2003-2007 | |
| Silverado 3500 | 2003-2007 | |
| SSR | 2003-2004 | |
| Suburban | 2003-2006 | |
| Tahoe | 2003-2004 | |
| Trailblazer | 2003-2005 | |
| GMC | Envoy | 2003-2005 |
| Savana | 2003-2017 | |
| Sierra 1500 | 2003-2007 | |
| Sierra 2500 | 2003-2007 | |
| Sierra 3500 | 2003-2007 | |
| Yukon | 2003-2006 | |
| Yukon Denali | 2003-2004 | |
| Hummer | H2 | 2003-2007 |
| Isuzu | Ascender | 2003-2005 |
| Saab | 9-7X | 2005 |
Genuine GM Parts™ Remanufactured Alternator (321-2128) by ACDelco®. Current: 145 Amp. With 6 Groove Serpentine Pulley. Pulley Size: 57 mm. Internal Fan. Plug Position: 3:00 O'Clock. Voltage Regulator: Internal. Rotation: Clockwise. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed stringent industry standards.
| AC Tap: No |
| Alternator Case Material: Aluminum |
| Amperage Rating: 145 A |
| DE to Pulley 1st Groove (mm): 22mm |
| External Fan Included: No |
| External Regulator Included: No |
| Family: DELCO AD244 LN31 |
| Fan Type: Internal |
| Finish: Aluminum |
| Ground Type: Negative |
| Height (in): 10.25 in |
| Inside Distance Between Mounting Feet (mm): 51 |
| Length (in): 13.88 in |
| Meets or Exceeds Original Equipment Manufacture Specifications: Yes |
| Mounting Type: 1 Pivot Foot |
| One Wire Capable: No |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock: 3 |
| Programming Required: No |
| Pulley Belt Type: Serpentine |
| Pulley Groove Quantity: 6 |
| Pulley Included: Yes |
| Regulator Type: Internal |
| Rotation Direction: Clockwise |
| Terminal Connection Quantity: 4 |
| Terminal Quantity: 4 |
| Voltage: 12 VDC |
| Voltage (VDC): 12 VDC VDC |
| Weight (lb): 15.48 lb |
| Width (in): 13.25 in |
ACDelco®, a brand of GM Customer Care and Aftersales, is a global automotive manufacturer of premium replacement parts for almost all vehicle systems as well as off-road, industrial, and marine equipment. With more than hundred years of manufacturing experience, the company offers an extensive line of brake pads and rotors, belts and hoses, shocks and struts, alternators and starters, thermostats and caps, fuel pumps, and many more trustworthy and top-quality products.