2021-2024 Jeep Grand Cherokee L 3.6L Pentastar V6 Engine OEM

Your Grand Cherokee L relies on a proven powerplant. The 3.6L Pentastar V6 delivers smooth torque and reliable daily performance. When you need a replacement, a genuine jeep grand cherokee engine ensures your vehicle returns to factory specifications. This OEM unit fits the 2021-2024 Grand Cherokee L (3-row WL platform) as well as the standard 2-row Grand Cherokee. The engine features Variable Valve Lift (VVL) and Electronic Stop-Start (ESS) technology. It produces approximately 293 horsepower and 260 lb-ft of torque. Whether you choose a new Mopar assembly or a rigorously tested used jeep grand cherokee engine, you receive a component that matches the original build. If you are searching for a jeep grand cherokee engine for sale, this Pentastar V6 represents the most common and dependable option for the WL generation.

Product Specifications at a Glance

• Model Fitment: Exact fit for 2021-2024 Jeep Grand Cherokee L (3-row WL platform) and standard 2-row Grand Cherokee.

• Engine Type: 3.6L Pentastar V6 with Variable Valve Lift (VVL) and Electronic Stop-Start (ESS) technology.

• Condition: Genuine OEM Mopar. Available as new or rigorously tested used.

• Performance: Approximately 293 hp and 260 lb-ft of torque.

The Pentastar Advantage

The 3.6L Pentastar V6 forms the backbone of the jeep grand cherokee engine lineup for the WL generation. Its dual overhead cams (DOHC) allow precise valve timing across the rpm range. The high-pressure die-cast aluminum block reduces weight while maintaining structural rigidity. This design improves fuel efficiency and handling. Unlike older pushrod engines, the Pentastar uses four valves per cylinder for better airflow. The VVL system switches between low and high lift cam profiles. At highway speeds, the engine runs efficiently. Under hard acceleration, it delivers full power. A genuine jeep grand cherokee engine retains these sophisticated systems. Aftermarket rebuilds often cut corners on the VVL components. Do not risk reduced performance.

Compatibility and “L” Model Specifics

Many suppliers list a 3.6L engine as compatible with all Grand Cherokees. That is incorrect. The 2021-2024 jeep grand cherokee engine for sale on our site is specifically the WL generation version. It differs from the older WK2 Pentastar in three critical ways. First, the motor mounts sit at different angles to fit the new chassis. Second, the engine wiring harness uses different connectors for the ESS system. Third, the intake manifold and fuel rail have revised part numbers. Installing a WK2 engine into a 2021 Grand Cherokee L will not bolt up correctly, and the ECU will throw permanent codes. We use VIN matching to confirm you receive the exact jeep grand cherokee engine for your model year and trim.

Safety and Quality Assurance

Every used jeep grand cherokee engine we sell undergoes a thorough testing process. We start with a compression test across all six cylinders. Compression readings must fall within 10 percent of each other. Next, we perform a leak-down test to identify worn rings or valve seat issues. Then we insert a bore-scope into each cylinder to inspect the crosshatch pattern and check for scoring. Only engines that pass all three tests enter our inventory. Why does this matter for safety? A failed engine can seize or throw a rod, causing sudden loss of power. That loss compromises your ability to steer and brake. A verified OEM jeep grand cherokee engine also maintains the factory crumple zone design. The engine mounts are calibrated to shear in a specific pattern during a front impact. An aftermarket block may not behave as engineered.

USA Shipping and Warranty

We are a USA based shop. We offer freight shipping to all 50 states. Each jeep grand cherokee engine for sale ships on a pallet with reinforced crating and oil drain plugs secured. Pro tip for professional installation: after installing the engine, fill it with fresh synthetic 0W-20 oil. Run the engine at idle for 10 minutes to circulate the oil and seat the timing chain tensioners. Check for leaks before driving.

The M and H Trust Factor

We use VIN matching to verify that the engine harness, ECU calibration, and accessory drive match your specific Jeep. Our team understands the needs of American Jeep owners. We are located in the USA and provide fast responses to technical questions.

FAQs

Does this engine include the accessories like alternator and AC compressor?
New engines typically ship as a long block without bolt-ons. Used engines may include the intake, exhaust manifolds, and some accessories. Confirm with our team. We can source alternators and compressors separately.

What is the mileage on your used 3.6L engines?
Our used jeep grand cherokee engines average 40,000 to 70,000 miles. We provide the exact mileage from the donor vehicle before purchase.

How is the engine secured for freight shipping across the USA?
We bolt the engine to a steel mounting bracket, then strap the bracket to a heavy duty pallet. Foam padding protects the oil pan and valve covers. The entire assembly wraps in stretch film and cardboard. You will receive a clean, undamaged jeep grand cherokee engine ready for installation.

Restore your Grand Cherokee L with the correct powertrain. Order a genuine jeep grand cherokee engine from our USA facility and drive with confidence.