The 2012 Jeep Grand Cherokee comes standard with the 3.6L Pentastar V6 engine, producing 290 horsepower and 260 lb-ft of torque. This naturally aspirated engine features dual overhead cams, variable valve timing, and aluminum construction for weight savings. The Pentastar was relatively new for 2012, replacing the older 3.7L V6. It’s paired with a 5-speed automatic transmission and offers decent fuel economy for its size, achieving around 17 city/23 highway MPG. The engine is known for its smooth operation and adequate power for most driving situations, though it can struggle with heavy towing loads.

The 2012 Grand Cherokee shares most parts with the 2011-2016 model years of the same generation (WK2). Engine components from the 3.6L Pentastar are compatible across 2011-2016 Grand Cherokees, and many also interchange with other Chrysler vehicles using the same engine like the Dodge Charger, Challenger, and Chrysler 300. Body panels, interior components, and suspension parts are generally compatible within the 2011-2016 range, though some mid-cycle refresh changes occurred in 2014. Always verify part numbers for critical components like airbags, electronics, and safety systems as these may have running changes within the generation.

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 3.6L Pentastar in the 2012 Grand Cherokee is generally reliable but has some known weak points. The engine itself runs smoothly and provides good performance, but cylinder head cracking issues can occur at higher mileages. Regular oil changes every 5,000 miles are crucial, as is maintaining proper coolant levels and monitoring for leaks from the oil cooler housing. The timing chain system is robust and doesn’t require regular replacement like timing belts. Overall, with proper maintenance, these engines can reach 150,000+ miles, but be prepared for potential cooling system repairs and monitor for any signs of head gasket issues.