The 2004 Cadillac Escalade ESV comes equipped with a 6.0L LQ9 V8 engine, producing 345 horsepower and 380 lb-ft of torque. This iron-block, aluminum-head engine features a single overhead cam design with two valves per cylinder. The LQ9 is part of GM’s Gen III LS engine family and is known for its robust construction and tuning potential. It uses sequential fuel injection and includes features like knock sensors and variable valve timing. The engine is paired with a 4L60E four-speed automatic transmission and is available in both rear-wheel and all-wheel drive configurations. This powerplant provides strong towing capacity of up to 8,100 pounds when properly equipped.

The 2004 Escalade ESV shares most parts with the 2002-2006 generation, particularly the 2003-2006 model years which had minimal changes. Engine components from the 6.0L LQ9 are compatible across 2002-2006 Escalades, and many parts interchange with Chevrolet Tahoe, Suburban, Avalanche, and GMC Yukon XL of the same years. Body panels and interior components are generally compatible within the 2002-2006 range, though some trim pieces may vary by year. Suspension components, including the air ride system, are shared across 2002-2006 Escalades. The 4L60E transmission parts are compatible with numerous GM vehicles from this era. However, always verify part numbers as some components may have mid-year changes or different specifications between trim levels.

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 6.0L LQ9 engine is generally considered one of the more reliable GM V8 engines, though it has some known issues. The iron block construction provides excellent durability, and many examples exceed 200,000 miles with proper maintenance. However, the Active Fuel Management system introduced in later years can cause lifter problems. Regular oil changes every 3,000-5,000 miles are crucial, as is using quality oil to prevent sludge buildup. The intake manifold gaskets should be monitored for leaks, and the cooling system requires regular maintenance to prevent overheating. Overall, with proper care and addressing known issues proactively, the 6.0L LQ9 can provide many years of reliable service in the heavy Escalade platform.