Remy 22054 Alternator

Remanufactured 145 Amp Alternator

The Remy 22054 is a premium remanufactured alternator built for 12-volt charging systems that need steady output and OE-style fitment. With a 145 amp rating, internal fan, internal voltage regulator, clockwise rotation, and included pulley, it serves as a direct replacement for many Chevrolet, GMC, Cadillac, Hummer, Buick, Isuzu, and Saab applications.

Compatible With Chevrolet Express, Silverado, Suburban, Tahoe, GMC Savana, Sierra, Yukon, and related GM platforms, this alternator is built around Delco/Delphi OE manufacturer specifications. The Remy Premium Remanufactured line focuses on restoring core components to dependable operating condition for everyday charging-system service.

Key Features

• 145 amp amperage rating for vehicles with higher electrical demand
• 12-volt alternator with internal voltage regulator
• Internal fan design for charging-system cooling
• Clockwise rotation
• Pulley included
• Premium remanufactured construction
• OE manufacturer reference: Delco/Delphi

Detailed Description

Remy 22054 is a remanufactured alternator for GM trucks, vans, SUVs, and related platforms from 2003-2016. It is commonly used on Chevrolet Express 1500, 2500, and 3500 models; GMC Savana 1500, 2500, and 3500 models; Chevrolet Silverado and GMC Sierra Classic applications; and select Cadillac Escalade, Hummer H2/H1, Buick Rainier, Isuzu Ascender, and Saab 9-7x vehicles. This part cross-references AC Delco-style applications such as 15-22-6003 and 6019239 for the same application.

Use this alternator when replacing a worn or failing charging unit on vehicles that require a 145 amp output and Delco/Delphi-style configuration. The part number 22054 is also a useful reference when verifying interchange and OE-style replacement needs.

What It Helps Fix

• Battery warning light or charging-system warning
• Low charging voltage at idle or under load
• Dim lights, slow accessories, or weak electrical performance
• Alternator noise, bearing wear, or charging instability
• Failure to maintain battery charge during normal driving

Installation Notes and Tips

Verify the vehicle’s electrical system requirements before installation, especially on 145 amp applications with optional or configuration-specific alternator plugs. Confirm pulley style, rotation direction, voltage, and connector match the original unit before removal. Body fitment includes 2003-2016 Chevrolet Express, 2003-2016 GMC Savana, 2003-2007 Chevrolet Silverado Classic and GMC Sierra Classic, 2003-2007 Hummer H2, 2003-2006 Buick Rainier, 2003-2006 Isuzu Ascender, and 2005-2006 Saab 9-7x applications as listed.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured to OE-style specifications for charging-system replacement service. This alternator is built to match the listed Delco/Delphi application requirements for proper electrical fitment and function.