Remy 21045 Alternator

Remanufactured 105-Amp Alternator for GM Trucks

Remy Premium Remanufactured alternator Part Number 21045 is a 12-volt charging system replacement built for select Chevrolet and GMC trucks and SUVs. It features a 105-amp amperage rating, internal voltage regulator, external fan, clockwise rotation, and included pulley for direct-fit service on listed applications.

Key Features

• 105-amp output for vehicles requiring higher charging capacity
• 12-volt remanufactured alternator with internal voltage regulator
• External fan design for cooling support
• Pulley included for listed applications
• Clockwise rotation
• OE manufacturer reference: Delco/Delphi

Premium Remanufactured Line

Remy Premium Remanufactured focuses on remanufactured electrical components for OE-style replacement needs. This alternator is part of that line and is built around the original equipment application requirements for select Chevrolet C1500, K1500, Tahoe, and GMC Sierra-era trucks and SUVs.

Detailed Description

Remy 21045 is a remanufactured alternator for 1993-1995 Chevrolet and GMC full-size truck and SUV platforms that use a 105-amp charging system. It cross-references Delco/Delphi-style applications and is listed for vehicles such as the Chevrolet C1500, K1500, C2500, K2500, C3500, Tahoe, and GMC C1500, K1500, C2500, K2500, C3500, and Yukon in the specified years. This part cross-references 10463417 and 10480086 for the same application.

What It Helps Solve

• Battery not charging properly
• Dim lights or electrical load issues
• Charging warning light on the dash
• Low alternator output under accessory demand
• Failure of the original 12-volt charging unit

Installation Notes and Fitment

Compatible With 1994 Chevrolet C1500, 1994 Chevrolet C2500, 1994 Chevrolet C3500, 1994 Chevrolet K1500, 1994 Chevrolet K2500, 1994 Chevrolet K3500, and 1994 GMC C1500, C2500, C3500, K1500, K2500, K3500. Also fits 1993 Chevrolet C1500, C2500, C3500, K1500, K2500, K3500 and 1993 GMC C1500, C2500, C3500, K1500, K2500, K3500. Additional coverage includes 1994-1995 Chevrolet C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban, 1994-1995 GMC C2500 Suburban, K2500 Suburban, 1994-1995 GMC Yukon, and 1995 Chevrolet and GMC C1500, C2500, C3500, K1500, K2500, K3500, Blazer, Tahoe, and C1500 Suburban/K1500 Suburban applications noted in the fitment data. Verify the vehicle’s charging system capacity and plug orientation before installation; some listed applications are not compatible with vehicles below 105 amps capacity, and 1994 listings specify an 11:00 alternator plug position.

Quality Assurance

Built as a remanufactured OE-style replacement for Delco/Delphi applications, Remy 21045 is specified to match the listed voltage, amperage, rotation, regulator type, and pulley configuration for the covered GM platforms.