Get a Mail-in Rebate on the Purchase of a Dealer-Installed Genuine GM Parts Engine or Transmission.


Repairing an engine isn’t what it used to be. Today it’s more than just a few bolts and basic mechanics. With technical advances in your vehicle constantly evolving, a highly trained team needs to evolve right along with them. That’s why it takes an expert technician – with specific training and access to GM technical bulletins and GM Factory Diagnostics – to service GM vehicles.



Intricate systems that regulate fuel intake, performance output, electrical exchange, emissions, and overall engine efficiency are governed by hardware and software. Repairing a modern vehicle is more science than elbow grease.

Certified Service Technicians know your vehicle best.

Get your engine started with Certified Service

The Certified Service technicians at your Chevrolet, Buick, GMC, and Cadillac dealers are expert finders and expert fixers. They know their way under GM hoods because GM Factory Diagnostics puts data directly from your vehicle right at their fingertips.

With state-of-the-art technology and extensive expert GM training on your side, worry’s in the rearview. Schedule an appointment today.


When it comes to GM engines, you can trust the Genuine GM Parts brand when you are looking for engine repair or a replacement engine. Take advantage of more than 100 years of automotive manufacturing experience and purchase your replacement engine from the manufacturer that knows your vehicle best. Genuine GM Parts offer the highest quality replacement engines to help restore your Chevrolet, Buick, GMC, Cadillac, Pontiac, HUMMER, Saturn, or Oldsmobile vehicle to like-new performance. You can have your replacement engine installed or repaired by the expert technicians at your Chevrolet, Buick, GMC, or Cadillac dealership.

GM Engines: Engine Repair and Engine Replacement


Design & Performance

Genuine GM Parts engines are engineered and built to meet or exceed the Original Equipment Manufacturer's (OEM) specifications. We apply the latest engineering advancements—learned from decades of manufacturing and service expertise. Genuine GM Parts engines go through months of rigorous validation and testing to ensure optimal performance and durability.

Genuine GM Parts Engines Provide

  • The same original equipment engineering standards
    that go into every new GM vehicle
  • The latest enhancements and improvements
  • Validation and durability standards equal to those in
    new GM vehicle engines
  • Test certification under stringent and demanding
    conditions at state-of-the-art-labs


Nationwide 3-Year or 100,000-Mile Limited Warranty

You can be confident that the Genuine GM Parts engine built for your vehicle will function as originally designed and engineered. That reliability is backed by a fully transferable Limited Warranty on parts and labor for 3 years or 100,000 miles, whichever occurs first.§§


Take Advantage of Service Offers from Certified Service
Schedule Service Online with Certified Service
What's Included in a Multi-Point Vehicle Inspection
  • 1 * Whichever comes first, from date and mileage of *installation by an authorized GM dealer or a qualified service center. For over-the-counter sales, warranty begins on the date and mileage of retail sale. Contact your GM dealer for details.