Remy 20011 Alternator

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

The Remy Premium Remanufactured Alternator 20011 is designed to restore charging system performance in select GM vehicles. Engineered with a 160-amp rating and internal fan, this remanufactured alternator meets the electrical demands of models like the Chevrolet Silverado and Cadillac Escalade.

• 160 Amperage Rating for consistent power output
• Internal fan type for efficient cooling
• Remanufactured to meet OE standards
• Includes pulley for direct replacement
• Clockwise rotation direction
• 12 Volt system compatibility
• Internal voltage regulator for stable voltage control
• Superseded part number 20091 for updated fitment
• OE Manufacturer: Delco/Delphi

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 specifications. This process includes thorough testing and replacement of worn components, ensuring reliable performance and durability. The 20011 alternator benefits from this quality-focused remanufacturing approach, providing a cost-effective alternative to new units without compromising functionality.

Detailed Alternator Features and Specifications

This alternator features a 160-amp output suitable for heavy-duty electrical loads found in vehicles such as the GMC Sierra 2500 HD and Hummer H2. The internal fan design helps maintain optimal operating temperatures, reducing wear and extending service life. Its clockwise rotation and included pulley allow for straightforward installation in compatible models. The internal voltage regulator ensures consistent voltage delivery, protecting your vehicle’s electrical system from fluctuations.

Compatible Vehicles and Common Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche, Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Suburban 1500, Suburban 2500, Tahoe
• GMC Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Yukon, Yukon XL 1500, Yukon XL 2500
• Hummer H2
• Express 2500, Express 3500, Savana 2500, Savana 3500

Common Issues Addressed by This Alternator

• Battery not charging or frequent battery drain
• Dimming or flickering vehicle lights
• Electrical system warning lights on the dashboard
• Unusual noises from the alternator area
• Failure to start due to insufficient electrical power

Installation Notes and Tips

When installing the Remy 20011 alternator, ensure the pulley aligns correctly with the belt system and verify the clockwise rotation matches your vehicle’s requirements. Since this alternator includes an internal voltage regulator, no external regulator adjustments are necessary. Always disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Remy’s Premium Remanufactured alternators undergo rigorous testing to meet OE performance standards. The 20011 alternator is built with quality components sourced from Delco/Delphi, ensuring compatibility and reliability. Please refer to the warranty information provided by the distributor or retailer for specific coverage details.