The 2010 GMC Yukon comes standard with GM’s 5.3L Vortec V8 engine (RPO code LMG), producing 320 horsepower and 335 lb-ft of torque. This aluminum-block engine features Active Fuel Management (AFM) cylinder deactivation technology that shuts down four cylinders during light load conditions to improve fuel economy. The engine is paired with a 6L80E six-speed automatic transmission and is available in both 2WD and 4WD configurations. This powerplant provides adequate towing capacity of up to 8,500 pounds when properly equipped, making it suitable for most family hauling and recreational towing needs.

The 2010 GMC Yukon shares most parts with the 2007-2014 GMT900 platform generation, including the Chevrolet Tahoe and Suburban, Cadillac Escalade, and GMC Yukon XL. Engine components from the 5.3L LMG are largely compatible across 2007-2014 model years. Body panels, interior trim, and suspension components interchange well within this generation. However, there were minor updates in 2009 and 2013 that affect some electrical components and trim pieces. The transmission, differential, and drivetrain components are highly compatible across all GMT900 years. Always verify part numbers for electrical components and computer modules as these had more frequent updates.

Parts availability changes daily. Call us at (603) 392-7313 or visit our online shop to check current inventory from this specific vehicle. If we have sold a part you need, our Parts Broker service can source it from our network of partner yards nationwide.

Yes! We ship parts from this vehicle and our entire inventory nationwide. Most orders ship within 1-2 business days via FedEx or freight carriers for larger components like engines and transmissions. Call (603) 392-7313 for a shipping quote on any part.

The 5.3L LMG engine in the 2010 Yukon is generally reliable but has one significant weakness: the Active Fuel Management lifters. When properly maintained with regular oil changes using the correct viscosity (5W-30), these engines can easily exceed 200,000 miles. However, the AFM lifter failure issue affects a significant percentage of these engines, making it the primary reliability concern. Many owners proactively disable AFM around 100,000 miles to prevent expensive repairs. The bottom end, heads, and rotating assembly are robust and well-engineered. Regular maintenance including timely oil changes, cooling system service, and using quality fuel helps ensure longevity.