Replacement Alternator 12V, Fits Chevrolet Silverado 1500

Replacement alternator restores stable charging power to help fix hard starts, battery warning lights, dim headlights, and weak HVAC/infotainment performance. Built for select Chevrolet Silverado 1500/1500 HD, GMC Yukon, Isuzu Ascender, and Saab 9-7x applications, it’s engineered for OE-style fit with factory connections and consistent 12V output. A 6-groove pulley supports steady belt drive for dependable daily operation.

• Restores consistent charging to support ignition, lighting, AC, and onboard electronics.


• Fits select Chevrolet, GMC, Isuzu, and Saab models; match your OE part number for proper fitment.


• Delivers stable 12V DC output with a 6-groove pulley for reliable belt grip up to 6000 RPM.


• Resists heat with pure copper round coils and an aluminum housing designed for cooling airflow.


• Installs with factory-style connections to reduce guesswork during alternator replacement.

If your vehicle shows charging-system symptoms like slow cranking, flickering lights, or intermittent electrical glitches, a worn alternator is a common cause. This unit is built to match OE fit and function across multiple compatible part numbers, helping you get your truck or SUV back to dependable starts and stable power without extra modifications. Confirm engine size and OE reference before purchase, then grab yours today and get back on the road.

• Output: 12V DC


• Pulley: 6-groove, rated up to 6000 RPM


• Housing material: Aluminum


• Coil: Pure copper round coil


• Dimensions: 6.5 x 6.5 x 7.1 in (165 x 165 x 180 mm)


• Weight: 15.3 lb (6.95 kg)