The 2009 Jeep Grand Cherokee came with several engine options, with the 3.7L PowerTech V6 being the base engine. This naturally aspirated engine produces 210 horsepower and 235 lb-ft of torque, paired with either a 4-speed or 5-speed automatic transmission depending on the trim level. The 3.7L V6 features aluminum construction with iron cylinder liners, single overhead cam design, and sequential multi-port fuel injection. It’s designed to run on regular unleaded gasoline and provides decent fuel economy for its class, averaging around 16-17 mpg city and 22-23 mpg highway. This engine was also available in other Chrysler products and is known for its smooth operation and adequate power for daily driving, though it’s not particularly sporty compared to the available V8 options.

The 2009 Jeep Grand Cherokee belongs to the WK generation (2005-2010), and most parts are interchangeable within this timeframe. The 3.7L engine components are compatible across 2005-2010 Grand Cherokee models, and many parts also fit the Jeep Commander (2006-2010) which used the same platform. Body panels, interior components, and suspension parts generally interchange within the WK generation years. However, there were some mid-cycle updates in 2008 that affected certain electrical components and trim pieces. The transmission, depending on whether it’s the 42RLE 4-speed or 545RFE 5-speed, has specific compatibility requirements. Always verify part numbers when sourcing components, as running changes occurred throughout production. Some electrical modules and TIPM units may have different part numbers based on specific build dates and options packages.

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 3.7L PowerTech V6 in the 2009 Grand Cherokee is generally considered a reliable engine when properly maintained. It’s less complex than the V8 options and has fewer reported issues overall. The engine is known for smooth operation and decent longevity, often reaching 200,000+ miles with regular maintenance. Key maintenance items include regular oil changes every 5,000 miles, coolant system service every 60,000 miles, and timing chain inspection around 100,000 miles. The water pump is a common wear item that should be replaced proactively. While not the most powerful option, the 3.7L provides adequate performance for daily driving and light towing. Owners should monitor the cooling system closely and address any leaks promptly to prevent overheating damage.