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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  • Cylinder Head Gasket set with Head Bolt Kit 2004-2005 Buick 3.1L

    Regular price $210.99 USD
    Regular price $334.06 USD Sale price $210.99 USD
    Partsology cylinder head gasket set with head bolt kit for 2004-2005 Buick 3.1L engine, includes gaskets and bolts.
    Sale
  • Full Gasket Set 1995 Buick,Oldsmobile,Pontiac 3.8L

    Regular price $209.99 USD
    Regular price $332.59 USD Sale price $209.99 USD
    Full gasket set for 1995 Buick, Oldsmobile, Pontiac 3.8L engine from Partsology, showing an assortment of engine gaskets and seals.
    Sale
  • Valve Lifter Kit 1991-2002 Buick,Chevrolet,Oldsmobile,Pontiac,Saturn 1.9L-2.4L

    Regular price $206.99 USD
    Regular price $327.13 USD Sale price $206.99 USD
    Partsology valve lifter kit for 1991-2002 Buick, Chevrolet, Oldsmobile, Pontiac, Saturn 1.9L-2.4L engine, engine repair part
    Sale
  • Full Gasket Set 2004 Buick,Chevrolet,GMC,Isuzu,Oldsmobile 4.2L

    Regular price $206.99 USD
    Regular price $327.67 USD Sale price $206.99 USD
    Partsology full gasket set for 2004 Buick, Chevrolet, GMC, Isuzu, Oldsmobile 4.2L engine, includes engine gaskets for repair.
    Sale
  • Engine Oil Pan 264-135 For Chevy Silverado for GMC Sierra 1500 2500 3500 1999-2006

    Regular price $205.17 USD
    Regular price $0.00 USD Sale price $205.17 USD
    Genuine GM Service Guy engine oil pan for Chevy Silverado and GMC Sierra 1500-3500 models, 1999-2006, showing the oil pan exterior
  • Full Gasket Set 2004-2005 Buick 3.1L

    Regular price $203.99 USD
    Regular price $321.98 USD Sale price $203.99 USD
    Full gasket set for 2004-2005 Buick 3.1L engine by Partsology, includes multiple gaskets for engine repair and sealing.
    Sale
  • Cylinder Head Gasket Set 2014-2020 Cadillac,Chevrolet,GMC 6.2L

    Regular price $200.99 USD
    Regular price $317.39 USD Sale price $200.99 USD
    Partsology cylinder head gasket set for 2014-2020 Cadillac, Chevrolet, GMC 6.2L engine, shown in the image.
    Sale
  • Full Gasket Set 2005 Buick,Pontiac 3.8L

    Regular price $200.99 USD
    Regular price $317.99 USD Sale price $200.99 USD
    Full gasket set for 2005 Buick and Pontiac 3.8L V6 engine, Partsology engine gasket set with multiple gaskets shown.
    Sale
  • Exhaust / Intake Valve Kit 2014-2020 Chevrolet,GMC 5.3L

    Regular price $199.99 USD
    Regular price $315.92 USD Sale price $199.99 USD
    Partsology exhaust and intake valve kit for 2014-2020 Chevrolet and GMC 5.3L V8 engines, includes valves for engine performance.
    Sale
  • Full Gasket Set 2004-2007 Buick,Chevrolet,Pontiac 3.5L

    Regular price $198.99 USD
    Regular price $314.71 USD Sale price $198.99 USD
    Partsology full gasket set for 2004-2007 Buick, Chevrolet, Pontiac 3.5L V6 engine, includes multiple gaskets for engine repair.
    Sale
  • Full Gasket Set 2002-2004 Buick,Chevrolet,GMC,Isuzu,Oldsmobile 4.2L

    Regular price $198.99 USD
    Regular price $314.48 USD Sale price $198.99 USD
    Partsology full gasket set for 2002-2004 Buick, Chevrolet, GMC, Isuzu, Oldsmobile 4.2L engine, including engine gaskets.
    Sale
  • Cylinder Head Gasket set with Head Bolt Kit 2004-2005 Buick,Chevrolet,Oldsmobile,Pontiac 3.4L

    Regular price $198.99 USD
    Regular price $315.22 USD Sale price $198.99 USD
    Cylinder head gasket set with head bolts for 2004-2005 Buick, Chevrolet, Oldsmobile, Pontiac 3.4L engine by Partsology
    Sale
  • Cylinder Head Gasket Set 2005-2014 Buick, Chevrolet, GMC, Hummer, Saab 4.8L-5.3L V8

    Regular price $198.99 USD
    Regular price $314.36 USD Sale price $198.99 USD
    Partsology engine cylinder head gasket set for 2005-2014 Buick, Chevrolet, GMC, Hummer, Saab V8 models like Trax, Trailblazer, Equinox.
    Sale
  • Full Gasket Set 2004-2005 Buick,Chevrolet,Pontiac 3.8L

    Regular price $197.99 USD
    Regular price $312.32 USD Sale price $197.99 USD
    Partsology full gasket set for 2004-2005 Buick, Chevrolet, Pontiac 3.8L V6 engine, includes engine gaskets for repair.
    Sale
  • Full Gasket Set 2000-2003 Buick,Pontiac 3.8L

    Regular price $197.99 USD
    Regular price $312.44 USD Sale price $197.99 USD
    Full gasket set for 2000-2003 Buick and Pontiac 3.8L V6 engines, includes engine gaskets from Partsology.
    Sale
  • Full Gasket Set 2006-2009 Buick,Chevrolet,GMC,Isuzu,Saab 4.2L

    Regular price $197.99 USD
    Regular price $312.42 USD Sale price $197.99 USD
    Partsology full gasket set for 2006-2009 4.2L Buick, Chevrolet, GMC, Isuzu, Saab engine, showing the gasket components.
    Sale