Discover Jeep Grand Cherokee Vehicle Engine Parts & Jeep Grand Cherokee Engine Parts. Explore Jeep Grand Cherokee Engine. Order Jeep Grand Cherokee Vehicle Engine. Maintaining your Jeep Grand Cherokee's engine is critical for performance and longevity. Regular oil changes, using high-quality filters, and keeping coolant at optimal levels are essential maintenance tips that can extend engine life. If you're experiencing power loss or excessive smoke, it may be time for a replacement. Choose between the robust V6 or the powerful V8 engines, each offering distinct features tailored to your driving needs. When installing, ensure the use of durable materials and precise fittings to guarantee peak efficiency. Shop with us for reliable engine options and expert guidance to keep your Grand Cherokee running smoothly.