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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  • Full Gasket Set 1987-1995 AM General,Buick,Cadillac,Chevrolet,GMC,Oldsmobile,Pontiac 5.7L

    Regular price $119.99 USD
    Regular price $189.40 USD Sale price $119.99 USD
    Partsology full gasket set for 5.7L engines in 1987-1995 GM vehicles including Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac
    Sale
  • Valve Lifter Kit 1994-2003 Buick,Chevrolet,GMC,Isuzu,Oldsmobile,Pontiac 2.2L

    Regular price $117.99 USD
    Regular price $186.31 USD Sale price $117.99 USD
    Partsology engine valve lifter kit for 1994-2003 Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac 2.2L L4 engine.
    Sale
  • Conversion Gasket Set 2014-2020 Cadillac,Chevrolet,GMC 5.3L-6.2L

    Regular price $116.99 USD
    Regular price $185.11 USD Sale price $116.99 USD
    Partsology conversion gasket set for 2014-2020 Cadillac, Chevrolet, GMC 5.3L-6.2L engine, includes multiple gaskets for engine repair.
    Sale
  • Full Gasket Set 1987-1994 Buick,Oldsmobile,Pontiac 2.0L

    Regular price $113.99 USD
    Regular price $179.29 USD Sale price $113.99 USD
    Full gasket set for 1987-1994 Buick, Oldsmobile, Pontiac 2.0L engine, includes engine gaskets from Partsology.
    Sale
  • Exhaust / Intake Valve Kit 1988-1995 Buick,Chevrolet,Oldsmobile,Pontiac 3.3L-3.8L

    Regular price $108.99 USD
    Regular price $172.05 USD Sale price $108.99 USD
    Partsology exhaust and intake valve kit for 1988-2002 Buick, Chevrolet, Oldsmobile, Pontiac 3.3L-3.8L engines, compatible with Envista and Envision.
    Sold out
  • Car Parts 12629992 Electronic Throttle Body Fit for Chevy Silverado 1500 4.8L 5.3L 6.0L 6.2L 2009-2013

    Regular price $106.23 USD
    Regular price $0.00 USD Sale price $106.23 USD
    GM Service Guy electronic throttle body for Chevrolet Silverado 1500 and Colorado, fits 2009-2013 with 4.8L, 5.3L, 6.0L, 6.2L engines
  • 39170554 auto parts engine mounted transmission for Chevrolet New Cruze 2017-2019 39170554

    Regular price $100.71 USD
    Regular price $0.00 USD Sale price $100.71 USD
    GM Service Guy engine-mounted transmission part for Chevrolet New Cruze 2017-2019, shown in the product image.
  • Timing Set 2011-2021 Buick,Cadillac,Chevrolet 1.4L

    Regular price $97.99 USD
    Regular price $154.24 USD Sale price $97.99 USD
    Timing set for 2011-2021 Buick, Cadillac, Chevrolet 1.4L engine by Partsology, includes timing belt and components.
    Sale
  • Valve Lifter Kit 1962-1996 AM General,Buick,Cadillac,Chevrolet,GMC,Oldsmobile,Pontiac 4.6L-7.4L

    Regular price $97.99 USD
    Regular price $154.58 USD Sale price $97.99 USD
    Partsology engine valve lifter kit for 1962-1996 GM models including Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac V8 engines
    Sale
  • Cylinder Head Gasket set with Head Bolt Kit for 1996-2006 Chevrolet, GMC, Isuzu, Oldsmobile 4.3L V6

    Regular price $97.99 USD
    Regular price $154.84 USD Sale price $97.99 USD
    Partsology 4.3L V6 cylinder head gasket set with head bolt kit for 1996-2006 Chevrolet, GMC, Isuzu, Oldsmobile engines.
    Sale
  • Valve Lifter Kit 1985-1995 Buick,Cadillac,Chevrolet,GMC,Isuzu,Jeep,Oldsmobile,Pontiac 2.8L-3.4L

    Regular price $93.99 USD
    Regular price $147.58 USD Sale price $93.99 USD
    Partsology engine valve lifter kit for 1985-1995 Buick, Cadillac, Chevrolet, GMC, Isuzu, Jeep, Oldsmobile, Pontiac 2.8L-3.4L
    Sale
  • Water Pump 2014-2020 Cadillac,Chevrolet,GMC 4.3L-6.2L

    Regular price $89.99 USD
    Regular price $143.97 USD Sale price $89.99 USD
    Partsology water pump for 2014-2020 Cadillac, Chevrolet, GMC 4.3L-6.2L engines, shown in a clean, detailed view.
    Sale
  • Valve Lifter Kit 1992-1994 Buick,Oldsmobile,Pontiac 2.3L

    Regular price $88.99 USD
    Regular price $139.50 USD Sale price $88.99 USD
    Partsology valve lifter kit for 1992-1994 Buick, Oldsmobile, Pontiac 2.3L engines, shown with engine components.
    Sale
  • Full Gasket Set 1990-1992 Buick,Chevrolet,Oldsmobile,Pontiac 2.5L

    Regular price $86.99 USD
    Regular price $136.61 USD Sale price $86.99 USD
    Full gasket set for 1990-1992 Buick, Chevrolet, Oldsmobile, Pontiac 2.5L engine by Partsology, shown in the image.
    Sale
  • Valve Lifter Kit 1975-1987 Buick,Chevrolet,GMC,Oldsmobile,Pontiac 3.8L

    Regular price $82.99 USD
    Regular price $131.14 USD Sale price $82.99 USD
    Partsology valve lifter kit for 3.8L V6 engines in 1975-1987 Buick, Chevrolet, GMC, Oldsmobile, Pontiac vehicles.
    Sale
  • Piston Ring Set 2014-2020 Chevrolet,GMC 5.3L (Oversizes Available)

    Regular price $81.99 USD
    Regular price $129.34 USD Sale price $81.99 USD
    Partsology piston ring set for 2014-2020 Chevrolet and GMC 5.3L engines, showing a close-up of the rings with metallic finish.
    Sale