Remy 21095 Alternator

Remanufactured Alternator for GM and Hummer Applications

The Remy 21095 is a premium remanufactured alternator built for 12-volt charging systems that need reliable output and OE-style fitment. With a 124-amp amperage rating, internal voltage regulation, and an included pulley, it serves a wide range of Chevrolet, GMC, and Hummer vehicles from the mid-1990s through 2006.

Compatible With Chevrolet C1500, C2500, K1500, Tahoe, Express vans, GMC Sierra-era truck and van applications, and Hummer H1 models that use the listed external-fan alternator configuration.

Key Features

• 124-amp output for standard charging-system replacement needs
• 12-volt alternator with internal voltage regulator
• External fan design for listed GM applications
• Clockwise rotation
• Pulley included for direct replacement convenience
• Premium remanufactured construction from Remy
• OE manufacturer reference: Delco/Delphi

Product Details

Remy Premium Remanufactured 21095 is engineered for vehicles that require a Delco/Delphi-style alternator with external cooling fan architecture. The 124-amp rating supports factory electrical loads on trucks, SUVs, and full-size vans, while the internal regulator helps maintain stable charging performance. This part cross-references Delco/Delphi applications such as 10463636 and 10480255 for the same application.

Fits 2006 Hummer H1, N/A; Fits 2002-2004 Hummer H1, N/A; Fits 1996-2000 Chevrolet C2500, N/A; Fits 1996-2000 Chevrolet C3500, N/A; Fits 1998-2000 Chevrolet Express 1500, N/A; Fits 1998-2000 Chevrolet Express 2500, N/A; Fits 1998-2000 Chevrolet Express 3500, N/A; Fits 1996-2000 Chevrolet K2500, N/A; Fits 1996-2000 Chevrolet K3500, N/A; Fits 1996-2000 Chevrolet Tahoe, N/A; Fits 1996-2000 GMC C2500, N/A; Fits 1996-2000 GMC C3500, N/A; Fits 1996-2000 GMC K2500, N/A; Fits 1996-2000 GMC K3500, N/A; Fits 1998-2000 GMC Savana 1500, N/A; Fits 1998-2000 GMC Savana 2500, N/A; Fits 1998-2000 GMC Savana 3500, N/A; Fits 1996-2000 GMC Yukon, N/A; Fits 1996-1999 Chevrolet C1500, N/A; Fits 1996-1999 Chevrolet C1500 Suburban, N/A; Fits 1996-1999 Chevrolet C2500 Suburban, N/A; Fits 1996-1999 Chevrolet K1500, N/A; Fits 1996-1999 Chevrolet K1500 Suburban, N/A; Fits 1996-1999 Chevrolet K2500 Suburban, N/A; Fits 1996-1999 GMC C1500, N/A; Fits 1996-1999 GMC C1500 Suburban, N/A; Fits 1996-1999 GMC C2500 Suburban, N/A; Fits 1996-1999 GMC K1500, N/A; Fits 1996-1999 GMC K1500 Suburban, N/A; Fits 1996-1999 GMC K2500 Suburban, N/A; Fits 1996-1997 Chevrolet C1500, N/A; Fits 1996-1997 Chevrolet C1500 Suburban, N/A; Fits 1996-1997 Chevrolet C2500, N/A; Fits 1996-1997 Chevrolet C2500 Suburban, N/A; Fits 1996-1997 Chevrolet C3500, N/A; Fits 1996-1997 Chevrolet Express 1500, N/A; Fits 1996-1997 Chevrolet K1500, N/A; Fits 1996-1997 Chevrolet K1500 Suburban, N/A; Fits 1996-1997 Chevrolet K2500, N/A; Fits 1996-1997 Chevrolet K2500 Suburban, N/A; Fits 1996-1997 Chevrolet K3500, N/A; Fits 1996-1997 Chevrolet Tahoe, N/A; Fits 1996-1997 GMC C1500, N/A; Fits 1996-1997 GMC C1500 Suburban, N/A; Fits 1996-1997 GMC C2500, N/A; Fits 1996-1997 GMC C2500 Suburban, N/A; Fits 1996-1997 GMC C3500, N/A; Fits 1996-1997 GMC K1500, N/A; Fits 1996-1997 GMC K1500 Suburban, N/A; Fits 1996-1997 GMC K2500, N/A; Fits 1996-1997 GMC K2500 Suburban, N/A; Fits 1996-1997 GMC K3500, N/A; Fits 1996-1997 GMC Savana 1500, N/A; Fits 1996-1997 GMC Yukon, N/A; Fits 1996 Chevrolet Express 1500, N/A; Fits 1996 Chevrolet Express 2500, N/A; Fits 1996 Chevrolet Express 3500, N/A; Fits 1996 GMC Savana 2500, N/A; Fits 1996 GMC Savana 3500, N/A.

Common Problems This Alternator Addresses

• Low charging output from a worn alternator
• Battery warning light caused by charging-system failure
• Dim lights or electrical instability at idle
• Accessory performance issues from insufficient amperage
• Noise or wear related to an aging alternator assembly

Installation Notes and Tips

Verify the vehicle’s year, make, model, engine configuration, and alternator style before ordering. This application uses an external fan alternator with clockwise rotation and an internal regulator, so matching the original unit is important for proper fitment. Confirm pulley alignment and connector style against the removed part before installation.

Quality Assurance

Remy Premium Remanufactured parts are rebuilt to meet application-specific charging requirements for OE-style replacement use. The 21095 follows the listed Delco/Delphi interchange references and is intended for direct-fit service on the confirmed Chevrolet, GMC, and Hummer applications above.