Remy 22050 Alternator

Remanufactured 145 Amp Alternator

The Remy 22050 is a premium remanufactured alternator built for 12-volt charging systems that need dependable output and OE-style fitment. With a 145 amp amperage rating, internal voltage regulator, internal fan, and included pulley, it is a direct replacement choice for a wide range of GM trucks, SUVs, and vans.

Compatible With Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Tahoe, Suburban, Express 1500, and GMC Sierra, Yukon, and Savana applications across 2009-2014 model years, this alternator is also used in Cadillac Escalade models and select Hummer H3 applications. The Remy 22050 is a practical option when you need a remanufactured Delco/Delphi-style charging unit for factory electrical systems.

Key Features

• 145 amp output for factory charging-system replacement
• 12-volt alternator with internal voltage regulator
• Internal fan design for OE-style packaging
• Pulley included for direct replacement setup
• Clockwise rotation
• Premium remanufactured unit
• OE manufacturer reference: Delco/Delphi

Product Details

Remy Premium Remanufactured alternators are built for drivers who need a replacement charging component that matches the original system layout. Part number 22050 is engineered as a remanufactured Delco unit with standard 145 amp output, making it a strong match for vehicles that rely on stable battery charging and consistent electrical performance. This part cross-references 8400207 and 25968616 for the same application.

Use this alternator when servicing GM full-size trucks and SUVs such as the Chevrolet Silverado 2500 HD, GMC Sierra 3500 HD, or Cadillac Escalade, where OE-style electrical specifications matter. The combination of internal regulation, clockwise rotation, and included pulley supports straightforward replacement in applications listed below.

What It Helps Fix

• Battery warning light caused by charging-system failure
• Low charging voltage at idle or under load
• Dim headlights or unstable electrical output
• Alternator noise or worn internal components
• Charging issues on high-demand GM truck and SUV systems

Installation Notes

Verify the vehicle’s original alternator style, amperage rating, rotation direction, and pulley configuration before installation. This 145 amp alternator is listed for standard Delco/Delphi applications and select DR37-type vehicles, so matching the OE unit is important for proper fit and charging performance. Confirm compatibility with the vehicle’s electrical system and power needs on 2011-2012 Chevrolet Colorado and GMC Canyon applications.

• Fits 2014 Cadillac Escalade, N/A
• Fits 2014 Cadillac Escalade ESV, N/A
• Fits 2011-2014 Chevrolet Express 1500, N/A
• Fits 2011-2014 Chevrolet Silverado 2500 HD, N/A
• Fits 2011-2014 Chevrolet Silverado 3500 HD, N/A
• Fits 2011-2014 Chevrolet Suburban 1500, N/A
• Fits 2011-2014 Chevrolet Tahoe, N/A
• Fits 2011-2014 GMC Savana 1500, N/A
• Fits 2011-2014 GMC Sierra 2500 HD, N/A
• Fits 2011-2014 GMC Sierra 3500 HD, N/A
• Fits 2011-2014 GMC Yukon, N/A
• Fits 2011-2014 GMC Yukon XL 1500, N/A
• Fits 2011-2013 Cadillac Escalade, N/A
• Fits 2011-2013 Cadillac Escalade ESV, N/A
• Fits 2011-2013 Cadillac Escalade EXT, N/A
• Fits 2011-2013 Chevrolet Avalanche, N/A
• Fits 2011-2013 Chevrolet Silverado 1500, N/A
• Fits 2011-2013 Chevrolet Suburban 2500, N/A
• Fits 2011-2013 GMC Sierra 1500, N/A
• Fits 2011-2013 GMC Yukon XL 2500, N/A
• Fits 2011-2012 Chevrolet Colorado, N/A
• Fits 2011-2012 GMC Canyon, N/A
• Fits 2009-2010 Cadillac Escalade, N/A
• Fits 2009-2010 Cadillac Escalade ESV, N/A
• Fits 2009-2010 Cadillac Escalade EXT, N/A
• Fits 2009-2010 Chevrolet Avalanche, N/A
• Fits 2009-2010 Chevrolet Colorado, N/A
• Fits 2009-2010 Chevrolet Express 1500, N/A
• Fits 2009-2010 Chevrolet Silverado 1500, N/A
• Fits 2009-2010 Chevrolet Silverado 2500 HD, N/A
• Fits 2009-2010 Chevrolet Silverado 3500 HD, N/A
• Fits 2009-2010 Chevrolet Suburban 1500, N/A
• Fits 2009-2010 Chevrolet Suburban 2500, N/A
• Fits 2009-2010 Chevrolet Tahoe, N/A
• Fits 2009-2010 GMC Canyon, N/A
• Fits 2009-2010 GMC Savana 1500, N/A
• Fits 2009-2010 GMC Sierra 1500, N/A
• Fits 2009-2010 GMC Sierra 2500 HD, N/A
• Fits 2009-2010 GMC Sierra 3500 HD, N/A
• Fits 2009-2010 GMC Yukon, N/A
• Fits 2009-2010 GMC Yukon XL 1500, N/A
• Fits 2009-2010 GMC Yukon XL 2500, N/A
• Fits 2009-2010 Hummer H3, N/A
• Fits 2009-2010 Hummer H3T, N/A

Quality Assurance

Remy Premium Remanufactured parts are built around OE manufacturer specifications, and this alternator follows Delco/Delphi-style design requirements for the listed applications. Part number 22050 is a direct-reference replacement for vehicles that use a 145 amp, internal-regulator charging system.