The 2009 GMC Yukon Denali comes equipped with the 6.2L L92 V8 engine, which produces 403 horsepower and 417 lb-ft of torque. This is an aluminum block, iron cylinder liner engine featuring Active Fuel Management (AFM) technology that deactivates four cylinders under light load conditions to improve fuel economy. The engine uses a drive-by-wire throttle system and requires premium fuel for optimal performance. It’s paired with a 6L80E six-speed automatic transmission and is available in both 2WD and 4WD configurations. The L92 is part of GM’s Gen IV small block family and shares components with the LS3 Corvette engine.

The 2009 GMC Yukon Denali shares most parts with 2007-2014 Yukon Denali models, as well as Cadillac Escalade and Chevy Tahoe/Suburban models from the same generation. Engine components from the 6.2L L92 are compatible across 2007-2014 Yukon Denali, Escalade, and some Silverado/Sierra HD trucks. Body panels and interior components interchange with 2007-2014 GMT900 platform vehicles. The transmission, suspension, and electrical components are largely compatible within the 2007-2014 model years. However, some minor trim differences and option packages may affect specific component compatibility, particularly for interior and electronic modules.

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 6.2L L92 engine is generally reliable when properly maintained, but has one major weakness: the Active Fuel Management (AFM) lifter system. Many owners disable AFM to prevent lifter failure. Regular oil changes with quality oil are critical, as the AFM system is sensitive to oil condition. The engine produces excellent power and can last 200,000+ miles if the AFM issue is addressed proactively. Other than lifter problems, the engine is robust with strong internals. Maintenance should include regular oil changes every 5,000 miles, quality fuel filters, and monitoring for AFM-related symptoms like rough idle or engine knock.