Collection: GM ENGINE & DRIVETRAIN PARTS | GM Service Guy

Explore Reliable GM Engine Solutions and Drivetrain Components

Power your GM vehicle's performance with our comprehensive selection of engine and drivetrain parts. From gaskets, timing chains, and camshaft components to pistons, crankshafts, and valve train parts, plus CV axles, driveshafts, differentials, and transmission components — we carry everything needed to keep your Chevrolet, GMC, Buick, Cadillac, or Pontiac running strong.

Our GM engine and drivetrain parts are sourced to meet OEM specifications, delivering a precise fit and long-lasting durability under the most demanding conditions. Whether you're rebuilding a high-mileage engine, replacing a worn CV axle, or restoring drivetrain integrity after a failure, we have the right parts at competitive prices.

Don't let engine or drivetrain issues sideline your vehicle. Browse our full catalog of GM engine and drivetrain components and find exactly what your year, make, and model requires. Fast shipping and quality-assured parts get your build back on track.

High-Quality GM Engine Components

When it comes to maintaining or upgrading your GM vehicle, using genuine GM engine parts is essential for optimal performance. GM engine components are designed to meet rigorous standards, ensuring durability and reliability. Whether you need replacement parts for repairs or are looking to boost your engine’s efficiency, these parts deliver consistent power and longevity. At GM Service Guy, we provide a wide selection of factory-tested GM engine parts that fit perfectly and function seamlessly in your vehicle.

Durable Drivetrain Parts for Smooth Operation

The drivetrain is crucial to your GM vehicle’s performance, transferring power from the engine to the wheels efficiently. By choosing high-quality GM drivetrain parts, you guarantee smoother rides and improved handling. GM Service Guy offers a range of drivetrain components, including transmissions, differentials, and axles, designed specifically to withstand wear and tear. Our parts ensure your vehicle operates reliably under various driving conditions while maintaining peak performance.

Expert Support and Genuine Parts for GM Vehicles

At GM Service Guy, we understand the importance of sourcing genuine parts for your GM engine and drivetrain needs. Our team is committed to helping you find the exact components that match your vehicle’s model and specifications. Backed by expert knowledge and a wide parts inventory, we provide trusted solutions that enhance your vehicle’s lifespan and performance. Choose GM Service Guy for parts that maintain your GM vehicle’s excellence on every drive.

 

303 products

303 products

  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
  • Engine Re-Ring Kit 2010-2017 Buick,Chevrolet,GMC 2.4L

    Regular price $396.99 USD
    Regular price $627.64 USD Sale price $396.99 USD
    Partsology engine re-ring kit for 2010-2017 Buick, Chevrolet, GMC 2.4L engines, compatible with Envista, Encore, Envision, Enclave.
    Sale
  • Piston and Ring Set 2004-2009 Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab 4.8L-5.3L

    Regular price $392.99 USD
    Regular price $621.52 USD Sale price $392.99 USD
    Partsology piston and ring set for 2004-2009 Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab 4.8L-5.3L engine bundle
    Sale
  • Engine Re-Ring Kit 1996-1997 Buick,Oldsmobile,Pontiac 3.8L

    Regular price $385.99 USD
    Regular price $610.55 USD Sale price $385.99 USD
    Engine re-ring kit for 3.8L V6 Buick, Oldsmobile, Pontiac models including Enclave and Envision, by Partsology.
    Sale
  • Engine Re-Ring Kit 2010-2017 Buick,Chevrolet,GMC 2.4L

    Regular price $385.99 USD
    Regular price $611.62 USD Sale price $385.99 USD
    Partsology engine re-ring kit for 2010-2017 Buick, Chevrolet, GMC 2.4L engines, compatible with Envista, Encore, Envision, Enclave.
    Sale
  • Engine Re-Ring Kit 1998-2003 Buick,Oldsmobile,Pontiac 3.8L

    Regular price $378.99 USD
    Regular price $600.08 USD Sale price $378.99 USD
    Engine re-ring kit for 1998-2003 Buick, Oldsmobile, Pontiac 3.8L V6 engines, suitable for Buick Envista, Encore, Envision, Enclave.
    Sale
  • Piston Set 2014-2020 Chevrolet,GMC 5.3L (Oversizes Available)

    Regular price $369.99 USD
    Regular price $586.00 USD Sale price $369.99 USD
    Chevrolet and GMC 5.3L piston set by Partsology, with visible pistons and components for engine repair or upgrade.
    Sale
  • Piston and Ring Set 2007-2016 Buick, Chevrolet, Pontiac, Saab, Saturn 2.0L

    Regular price $357.99 USD
    Regular price $566.56 USD Sale price $357.99 USD
    Partsology piston and ring set for 2007-2016 Buick, Chevrolet, Pontiac, Saab, Saturn 2.0L engine, shown in the image.
    Sale
  • Engine Re-Ring Kit 2006-2008 Buick,Pontiac 3.8L

    Regular price $350.99 USD
    Regular price $554.71 USD Sale price $350.99 USD
    Partsology engine re-ring kit for 2006-2008 Buick and Pontiac 3.8L V6 engines, including Envista, Encore, Envision, and Enclave models.
    Sale
  • Engine Re-Ring Kit 2004-2005 Buick,Pontiac 3.8L

    Regular price $350.99 USD
    Regular price $554.71 USD Sale price $350.99 USD
    Partsology engine re-ring kit for 2004-2005 Buick and Pontiac V6 3.8L engines, suitable for Envista, Encore, Envision, and Enclave models.
    Sale
  • Piston and Ring Set 2004-2007 Buick, Chevrolet, Pontiac, Saturn 3.5L

    Regular price $347.99 USD
    Regular price $550.27 USD Sale price $347.99 USD
    Partsology piston and ring set for 2004-2007 Buick, Chevrolet, Pontiac, Saturn 3.5L engine bundle with pistons and rings.
    Sale
  • Piston and Ring Set 2013-2020 Buick, Cadillac, Chevrolet, GMC 2.0L

    Regular price $347.99 USD
    Regular price $550.71 USD Sale price $347.99 USD
    Partsology piston and ring set for 2.0L engines in 2013-2020 Buick, Cadillac, Chevrolet, GMC vehicles, shown in image.
    Sale
  • Full Gasket Set 2007-2008 Buick,GMC,Saturn 3.6L

    Regular price $346.99 USD
    Regular price $548.55 USD Sale price $346.99 USD
    Full gasket set for 2007-2008 Buick, GMC, Saturn 3.6L engine by Partsology, featuring various gaskets laid out on a clean surface.
    Sale
  • Engine Re-Ring Kit 1996-1999 Buick,Chevrolet,Oldsmobile,Pontiac 2.4L

    Regular price $342.99 USD
    Regular price $542.15 USD Sale price $342.99 USD
    Partsology engine re-ring kit for 1996-1999 Buick, Chevrolet, Oldsmobile, Pontiac 2.4L engines, fits Envista, Encore, Envision, Enclave models
    Sale
  • Full Gasket Set 2005-2014 Buick,Chevrolet,GMC,Hummer,Saab 4.8L-5.3L

    Regular price $339.99 USD
    Regular price $537.36 USD Sale price $339.99 USD
    Partsology full engine gasket set for 2005-2014 Buick, Chevrolet, GMC, Hummer, Saab 4.8L-5.3L V8 engines.
    Sale
  • Full Gasket Set 2005-2009 Buick,Chevrolet,Pontiac 5.3L

    Regular price $338.99 USD
    Regular price $536.43 USD Sale price $338.99 USD
    Partsology full gasket set for 2005-2009 Buick, Chevrolet, Pontiac 5.3L V8 engine, includes engine gaskets and seals.
    Sale
  • Engine Re-Ring Kit 1992-1996 Chevrolet 5.7L

    Regular price $336.99 USD
    Regular price $533.50 USD Sale price $336.99 USD
    Partsology engine re-ring kit for 1992-1996 Chevrolet Corvette 5.7L V8 engine, includes rings for piston reconditioning.
    Sale