Replacement Alternator 12V, 6-Groove Pulley, Aluminum

Replacement alternator restores stable 12V charging power to help stop hard starts, battery warning lights, dim headlights, and weak HVAC performance. Designed for OE-style fitment on select Cadillac Escalade/EXT, Chevy Suburban/Silverado/Express, and GMC Yukon/Sierra/Savana V8 applications, it matches factory mounting points and electrical connections for a straightforward swap. Aluminum housing and pure copper windings support efficient output under heat and load.

• Fits select 2000–2004 Cadillac, Chevrolet, and GMC V8 vehicles; verify fitment by year/engine before purchase.


• Delivers consistent 12V DC output to support ignition, lighting, audio, and onboard electronics.


• Uses a 6-groove pulley for steady belt grip and reliable drive operation up to 6000 RPM.


• Resists heat with pure copper round coil windings and an aluminum housing for improved cooling.


• Installs with OE-style mounting and connectors to reduce guesswork during replacement.

If your vehicle shows charging-system symptoms—battery light, slow cranking, flickering lights, or accessory dropouts—an alternator replacement can bring electrical performance back to spec and reduce the risk of a drained battery. This unit is built for daily driving demands with a lightweight, heat-managing housing and high-conductivity copper windings to support stable output. Confirm your exact year, engine size, and pulley/belt setup before ordering, then grab yours today to get back on the road with dependable charging.

• Output: 12V DC


• Pulley: 6-groove


• Max operating speed: up to 6000 RPM


• Housing material: Aluminum


• Coil: Pure copper round coil


• Dimensions: 6.3 x 5.9 x 6.7 in (160 x 150 x 170 mm)


• Weight: 11.5 lb (5.2 kg)