Remy 20091 Alternator

Reliable Alternator for Cadillac, Chevrolet, GMC, and Hummer Vehicles

The Remy Premium Remanufactured Alternator 20091 is designed to restore proper charging system function in select Cadillac, Chevrolet, GMC, and Hummer models. Engineered with a 160-amp rating and internal voltage regulator, this alternator supports 12-volt electrical systems with clockwise rotation for optimal performance.

• Amperage Rating: 160 amps for consistent power output
• Fan Type: Internal fan for efficient cooling
• Voltage: 12 volts compatible with standard vehicle electrical systems
• Rotation Direction: Clockwise to match OEM specifications
• Voltage Regulator: Internal for simplified installation and reliable voltage control
• Pulley Included for direct replacement
• OE Manufacturer: Delco/Delphi remanufactured to meet original equipment standards

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy offers alternators that have been carefully rebuilt to meet or exceed original equipment manufacturer (OEM) specifications. This ensures that the alternator 20091 delivers dependable performance and durability for vehicles requiring a remanufactured replacement part. Each unit undergoes rigorous testing and quality checks to maintain consistent electrical output and fitment accuracy.

Product Details and Compatibility

This alternator is compatible with a range of full-size trucks and SUVs, including Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, 2500 HD, 3500 HD, Suburban 1500, 2500, Tahoe, GMC Sierra 1500, 2500 HD, 3500 HD, Yukon, Yukon XL 1500, Yukon XL 2500, Hummer H2, and various Express and Savana 2500/3500 models. The part number 20091 ensures precise fitment and function for these vehicles.

Common Issues Addressed by This Alternator

• Battery not charging or frequent battery drain
• Dimming or flickering headlights and interior lights
• Electrical system warning lights on the dashboard
• Unusual noises from the alternator area
• Vehicle stalling or difficulty starting due to insufficient electrical power

Installation Notes and Tips

Installation of the Remy 20091 alternator requires basic mechanical skills and standard hand tools. Ensure the battery is disconnected before removal to prevent electrical shorts. The included pulley allows for direct replacement without additional parts. Verify clockwise rotation matches the original alternator to avoid compatibility issues. After installation, check charging voltage to confirm proper operation.

Quality Assurance and Warranty

Remy’s Premium Remanufactured alternators undergo comprehensive testing to verify amperage output, voltage regulation, and mechanical integrity. This alternator is built to meet OEM standards, providing reliable service life. Warranty coverage details should be confirmed with the parts provider, as Remy typically offers limited warranties on remanufactured components.