Remy 21108 Alternator

Reliable Alternator for Select GM and Isuzu Vehicles

The Remy Premium Remanufactured Alternator 21108 is designed to restore charging system performance in various Cadillac, Chevrolet, GMC, Isuzu, and Oldsmobile models. Engineered with a 105-amp rating and internal voltage regulator, this alternator supports consistent electrical output for 12-volt systems.

• 105 Amperage Rating for steady electrical supply
• Internal fan type for efficient cooling
• Remanufactured to meet OE standards
• Includes pulley for direct replacement
• Clockwise rotation direction
• Internal voltage regulator for simplified installation
• 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 original equipment specifications. This process includes thorough testing and replacement of worn components, ensuring reliable performance and compatibility. The 21108 alternator benefits from this quality-focused remanufacturing approach, providing a cost-effective alternative to new units without compromising functionality.

Product Details and Specifications

This alternator operates at 12 volts with a 105-amp output, suitable for vehicles requiring moderate electrical loads. The internal fan design helps maintain optimal operating temperatures, while the internal voltage regulator simplifies installation by eliminating the need for an external regulator. The included pulley matches original equipment, allowing for straightforward replacement. Its clockwise rotation direction aligns with the requirements of many GM and Isuzu models.

Compatible Vehicles and Applications

• Cadillac Escalade
• Chevrolet Blazer, Tahoe, S10, Astro
• GMC Jimmy, Safari, Yukon, C1500, C2500, C3500 series
• Isuzu Hombre, Bravada
• Oldsmobile models compatible with Delco/Delphi alternators

Common Issues Addressed by This Alternator

• Battery not charging or low voltage output
• Dim or flickering headlights and dashboard lights
• Electrical system warning lights illuminated
• Unusual noises from the alternator pulley or bearings
• Vehicle stalling or difficulty starting due to electrical failure

Installation Notes and Tips

Before installation, verify the alternator's amperage rating and rotation direction match your vehicle's specifications. The included pulley allows for direct replacement without additional parts. Ensure battery terminals are disconnected to prevent electrical shorts. After installation, check belt tension and electrical connections for proper operation.

Quality Assurance and Warranty

Remy Premium Remanufactured alternators undergo comprehensive testing to meet or exceed original equipment standards. This alternator is backed by Remy's quality assurance processes, providing confidence in durability and performance. Warranty details are available through the product documentation or authorized distributors.