Remy 21035 Alternator

Reliable Alternator for Chevrolet and GMC Vehicles

The Remy Premium Remanufactured Alternator 21035 is designed to restore your vehicle's charging system with dependable performance. Engineered for select Chevrolet and GMC models, this 12-volt alternator delivers a 105-amp output to meet your vehicle's electrical demands.

• Amperage Rating: 105 amps for consistent power supply
• Fan Type: External fan for effective cooling
• Remanufactured unit ensuring quality and value
• OE Manufacturer: Delco/Delphi for trusted compatibility
• Pulley Included for straightforward installation
• Rotation Direction: Clockwise to match original equipment
• Voltage Regulator Type: Internal for simplified wiring

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, providing a reliable alternative to new parts. The 21035 alternator benefits from this rigorous remanufacturing process, ensuring it performs effectively in your Chevrolet or GMC vehicle.

Detailed Product Description

This Remy alternator 21035 is a remanufactured 12-volt unit with a 105-amp rating, suitable for a range of Chevrolet and GMC trucks and SUVs including Blazer, C1500, C2500, C3500, Tahoe, Yukon, and various Suburban and van models. Featuring an external fan, it provides efficient cooling during operation. The clockwise rotation and included pulley match original equipment specifications, facilitating a direct replacement. The internal voltage regulator simplifies installation by eliminating the need for an external regulator.

Common Applications and Issues Addressed

• Restores charging system functionality in Chevrolet Blazer and GMC Yukon
• Replaces failing alternators causing battery drain or electrical issues
• Solves dimming headlights or electrical accessory malfunctions
• Addresses no-start conditions related to charging system failure
• Suitable for heavy-duty use in GMC C3500 and Chevrolet K2500 Suburban

Installation Notes and Tips

• Ensure battery is disconnected before beginning installation
• Verify clockwise rotation matches your vehicle’s original alternator
• Check pulley alignment and belt tension after installation
• Use the included pulley to avoid compatibility issues
• Confirm internal voltage regulator wiring connections are secure

Quality Assurance and Warranty

Remy’s Premium Remanufactured alternators undergo comprehensive testing to meet original equipment standards. This alternator 21035 is built with quality components and backed by Remy’s warranty coverage, providing confidence in durability and performance for your Chevrolet or GMC vehicle.