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.

 

306 products

306 products

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  • Valve Lifter Kit 1999-2022 Buick, Cadillac, Chevrolet, GMC, Isuzu, Lexus, Oldsmobile, Pontiac, Saab, Saturn, Scion, Toyota 1.4L-2.5L

    Regular price $151.99 USD
    Regular price $240.61 USD Sale price $151.99 USD
    Partsology valve lifter kit for Buick, Cadillac, Chevrolet, GMC, Toyota, and more, suitable for 1.4L to 2.5L engines.
    Sale
  • Exhaust / Intake Valve Kit 1987-1995 Buick,Chevrolet,Oldsmobile,Pontiac 2.3L

    Regular price $151.99 USD
    Regular price $239.70 USD Sale price $151.99 USD
    Partsology exhaust and intake valve kit for 1987-1995 Buick, Chevrolet, Oldsmobile, Pontiac 2.3L engines, fits Envista, Encore, Envision, Enclave
    Sale
  • Full Gasket Set 2000-2003 Buick,Chevrolet,Oldsmobile,Pontiac 3.4L

    Regular price $150.99 USD
    Regular price $237.74 USD Sale price $150.99 USD
    Partsology full gasket set for 2000-2003 Buick, Chevrolet, Oldsmobile, Pontiac 3.4L V6 engine, includes all necessary gaskets.
    Sale
  • Valve Lifter Kit 1986-2014 Buick,Chevrolet,GMC,Isuzu,Oldsmobile,Pontiac 3.3L-4.3L

    Regular price $147.99 USD
    Regular price $233.85 USD Sale price $147.99 USD
    Partsology valve lifter kit for 1986-2014 Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac 3.3L-4.3L engine repair.
    Sale
  • Full Gasket Set 1995 Buick,Chevrolet,Oldsmobile,Pontiac 3.8L

    Regular price $143.99 USD
    Regular price $227.37 USD Sale price $143.99 USD
    Partsology full gasket set for 1995 Buick, Chevrolet, Oldsmobile, Pontiac 3.8L V6 engine, includes engine gaskets and seals
    Sale
  • Exhaust / Intake Valve Kit 2006-2011 Buick,Chevrolet,Pontiac,Saturn 3.5L-3.9L

    Regular price $141.99 USD
    Regular price $224.83 USD Sale price $141.99 USD
    Partsology exhaust and intake valve kit for 2006-2011 Buick, Chevrolet, Pontiac, Saturn 3.5L-3.9L engine, includes valves and components.
    Sale
  • 6.5L GM Diesel OPS Bypass/Fuel Pump Harness Upgrade

    Regular price From $140.00 USD
    Regular price Sale price From $140.00 USD
    Diesel Hub 6.5L GM Diesel OPS Bypass Fuel Pump Wiring Harness upgrade for improved fuel pump relay connection.
  • Full Gasket Set 1993-1996 Buick,Chevrolet,Oldsmobile,Pontiac 3.1L

    Regular price $138.99 USD
    Regular price $219.09 USD Sale price $138.99 USD
    Full gasket set for 1993-1996 Buick, Chevrolet, Oldsmobile, Pontiac 3.1L V6 engine from Partsology featuring various engine gaskets.
    Sale
  • Exhaust / Intake Valve Kit 1998-2009 Buick,Chevrolet,Oldsmobile,Pontiac 3.1L-3.4L

    Regular price $136.99 USD
    Regular price $215.81 USD Sale price $136.99 USD
    Partsology exhaust and intake valve kit for 1998-2009 Buick, Chevrolet, Oldsmobile, Pontiac 3.1L-3.4L V6 engines, suitable for Envista, Encore.
    Sale
  • Full Gasket Set 1987-1990 Buick,Cadillac,Chevrolet,Oldsmobile,Pontiac 2.8L-3.1L

    Regular price $135.99 USD
    Regular price $214.80 USD Sale price $135.99 USD
    Full gasket set for 1987-1990 Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac 2.8L-3.1L engine by Partsology
    Sale
  • Cylinder Head Gasket Set 2011-2018 Chevrolet 1.8L

    Regular price $134.99 USD
    Regular price $213.85 USD Sale price $134.99 USD
    Partsology cylinder head gasket set for 2011-2018 Chevrolet Cruze and Sonic 1.8L engine, showing gasket components for engine repair.
    Sale
  • Cylinder Head Gasket Set 2011-2021 Buick, Chevrolet 1.4L L4 Turbocharged Engine

    Regular price $132.99 USD
    Regular price $209.71 USD Sale price $132.99 USD
    Partsology cylinder head gasket set for 2011-2021 Buick and Chevrolet 1.4L turbo engine, fits Chevy Trax, Trailblazer, Equinox, Blazer, Traverse
    Sale
  • Timing Set 2003-2017 Buick, GMC, Pontiac, Saab, Saturn, 2010-2017 Chevy Equinox 2.0L-2.4L

    Regular price $129.99 USD
    Regular price $205.40 USD Sale price $129.99 USD
    Timing set for 2003-2017 Buick, GMC, Pontiac, Saab, Saturn, and 2010-2017 Chevy Equinox 2.0L-2.4L by Partsology, shown in image TK323_1.
    Sale
  • 88984260 17113665 Throttle Body For Chevy Avalanche Suburban Tahoe Cadillac Escalade GMC Sierra 1500 2500 2000 2001 2002

    Regular price $124.52 USD
    Regular price $0.00 USD Sale price $124.52 USD
    GM Service Guy throttle body for Chevy Avalanche, Suburban, Tahoe, Cadillac Escalade, and GMC Sierra 1500/2500 models, 2000-2002.
  • Timing Chain Set 2014-2021 Silverado & GMC Sierra, 2018-2022 GMC Savana 4.3L V6

    Regular price $123.99 USD
    Regular price $195.25 USD Sale price $123.99 USD
    Partsology timing chain set for 2014-2021 Silverado, GMC Sierra, and 2018-2022 GMC Savana 4.3L V6 engine, simple design.
    Sale
  • Full Gasket Set 1987-1995 Avanti,Buick,Cadillac,Chevrolet,GMC,Oldsmobile,Pontiac 5.0L

    Regular price $120.99 USD
    Regular price $190.56 USD Sale price $120.99 USD
    Partsology full gasket set for 1987-1995 Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac 5.0L V8 engine, includes engine gaskets.
    Sale