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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  • For Chevrolet Cruze Avalanche Impala Auto Transmission Shift Cable Linkage Bushing Rubber Repair Kit Gearbox Replacement Part

    Regular price From $13.00 USD
    Regular price $0.00 USD Sale price From $13.00 USD
    GM Service Guy Chevrolet Cruze Avalanche Impala auto transmission shift cable linkage rubber repair bushing replacement part
  • Crankshaft Seal 2011-2021 Buick,Cadillac,Chevrolet 1.4L

    Regular price $12.99 USD
    Regular price $20.09 USD Sale price $12.99 USD
    Partsology crankshaft seal for 2011-2021 Buick, Cadillac, Chevrolet 1.4L engine, shown in a close-up view.
    Sale
  • Valve Stem Oil Seal Set 2011-2021 Buick,Cadillac,Chevrolet 1.4L

    Regular price $12.99 USD
    Regular price $19.18 USD Sale price $12.99 USD
    Partsology valve stem oil seal set for 2011-2021 Buick, Cadillac, Chevrolet 1.4L engine, shown in the image.
    Sale
  • 6.5L GM Diesel Glow Plug Connector Pigtail with Heat Sleeves

    Regular price $12.85 USD
    Regular price Sale price $12.85 USD
    Diesel Hub 6.5L GM diesel glow plug connector pigtail with heat sleeves, showing electrical connection and heat-resistant components.
  • 6.5L GM Diesel Glow Plug Harness Extension

    Regular price $12.79 USD
    Regular price Sale price $12.79 USD
    Diesel Hub 6.5L GM diesel glow plug harness extension connector showing detailed view of the electrical connection.
  • Exhaust Valve 2011-2021 Buick,Chevrolet 1.4L

    Regular price $11.99 USD
    Regular price $17.51 USD Sale price $11.99 USD
    Simple exhaust valve for 2011-2021 Buick and Chevrolet 1.4L engines, branded Partsology, shown in a close-up image.
    Sale
  • Intake Valve 2014-2020 Chevrolet,GMC 4.3L-5.3L

    Regular price $11.99 USD
    Regular price $17.80 USD Sale price $11.99 USD
    Partsology intake valve for Chevrolet and GMC 4.3L-5.3L engines, showing the metal valve with valve stem and sealing surface.
    Sale
  • ACDelco GM Original Equipment PF2257G (55594651) Engine Oil Filter and Cap Seal (O-Ring) (Use with Cap Marked HENGST)

    Regular price From $11.49 USD
    Regular price Sale price From $11.49 USD
    Gm Service Guy ACDelco GM Original Engine Oil Filter PF2257G with cap seal and O-ring for vehicle maintenance.
  • Valve Lifter 2011-2021 Buick,Cadillac,Chevrolet 1.4L

    Regular price $10.99 USD
    Regular price $15.97 USD Sale price $10.99 USD
    Partsology valve lifter for 2011-2021 Buick, Cadillac, Chevrolet 1.4L engine, showing the simple metal component on a plain background.
    Sale
  • Intake Valve 2014-2020 Cadillac,Chevrolet,GMC 6.2L

    Regular price $10.99 USD
    Regular price $16.15 USD Sale price $10.99 USD
    Partsology intake valve for 2014-2020 Cadillac, Chevrolet, GMC 6.2L engine, metal valve with valve stem and sealing surface.
    Sale
  • Intake Valve 2011-2021 Buick,Cadillac,Chevrolet 1.4L

    Regular price $9.99 USD
    Regular price $14.79 USD Sale price $9.99 USD
    Partsology intake valve for 2011-2021 Buick, Cadillac, Chevrolet 1.4L engine, showing the metal valve with mounting surface.
    Sale
  • 6.5L GM Diesel Wastegate Solenoid Connector

    Regular price $9.95 USD
    Regular price Sale price $9.95 USD
    GMC Sierra Diesel Hub 6.5L GM diesel wastegate solenoid connector for vehicle engine repair.
  • 6.5L GM Diesel Fusible Link Glow Plug Harness Connector

    Regular price $8.97 USD
    Regular price Sale price $8.97 USD
    GMC Sierra Diesel Hub 6.5L GM diesel fusible link glow plug harness connector showing detailed electrical connection for engine.
  • 6.6L Duramax Glow Plug Connector Pigtail

    Regular price $8.95 USD
    Regular price Sale price $8.95 USD
    Duramax glow plug connector pigtail for GMC Sierra and Canyon, Diesel Hub brand, showing the electrical connector in detail.
  • Timing Cover Seal 2014-2020 Cadillac,Chevrolet,GMC 4.3L-6.2L

    Regular price $7.99 USD
    Regular price $11.74 USD Sale price $7.99 USD
    Partsology timing cover seal for 2014-2020 Cadillac, Chevrolet, GMC V6 and V8 engines, engine timing cover gasket.
    Sale
  • 2008 Honda Odyssey 3.5L Exhaust Manifold Gasket

    Regular price $6.49 USD
    Regular price $10.57 USD Sale price $6.49 USD
    2008 Honda Odyssey 3.5L exhaust manifold gasket by Partsology, close-up of gasket showing its shape and material details
    Sale