New Jeep 4.0L OHV Cylinder Head – Fits Casting Numbers # 0331, 0630, 7120 W/ Engine Rebuild Kit, Head Gasket Set and Bolts, Timing Kit and Water Pump

Please include desired sizing for your engine rebuild kit so we can get you exactly what you need to get your Jeep back on the road!

Piston Set: Standard / Oversize

Piston Ring Set: Standard / Oversize

Main Bearing Set: Standard / Oversize

Rod Bearing Set: Standard / Oversize

Jeep 4.0L 0331 7120 0630 Cast Cylinder Head

Superior Aftermarket Cylinder Head for Your Jeep 4.0L Engine

If you’re a proud owner of a Jeep Cherokee Laredo with a 4.0 OHV engine, you already know the power and reliability that comes with this classic inline 6-cylinder engine. However, like any engine, the 4.0 OHV isn’t without its flaws. Over time, factory cylinder heads are prone to cracking, especially in high-stress areas, leading to performance issues and expensive repairs. That’s why investing in an upgraded, premium aftermarket cylinder head is one of the best ways to enhance the durability, performance, and longevity of your Jeep’s engine.

Our premium universal cylinder head is designed with these concerns in mind, offering a stronger, more robust solution that outperforms the factory original. Let’s dive into the benefits of upgrading to our premium cylinder head and why it’s a perfect fit for Jeep 4.0L inline 6 engines from 1992 to 2007.

Built Stronger for Improved Durability

One of the most common issues with factory Jeep cylinder heads is their tendency to crack in critical areas over time. This is particularly true in high-mileage engines or vehicles subjected to off-road driving, towing, or heavy-duty use. The factory design simply wasn’t built to withstand the consistent wear and tear that many Jeep owners put their vehicles through.

Our premium universal cylinder head is engineered to address these issues head-on. The head is thicker and stronger than the factory original, with reinforced materials in high-stress areas that are prone to cracking. This extra thickness helps to distribute heat more evenly and prevents warping, cracking, and other damage that can result from prolonged exposure to high engine temperatures.

Whether you’re tackling rugged off-road trails, pulling a trailer, or just navigating everyday driving, this enhanced durability ensures that your engine remains reliable, even under the toughest conditions.

Perfect Fit for Jeep 4.0L Inline 6 Engines

One of the best features of this premium cylinder head is its universal fit for all Jeep 4.0L inline 6 engines from 1992 to 2007. This means that whether you own a Cherokee, Grand Cherokee, Wrangler, or Laredo, this cylinder head will drop right in as a perfect replacement for the factory original.

By upgrading to this aftermarket cylinder head, you’re not just repairing your engine—you’re improving it. The thicker, stronger design improves overall engine performance by providing better heat dissipation and resistance to cracking, meaning your engine can handle more stress and perform better over time.

Plus, because this cylinder head is designed to be a direct replacement for the factory part, installation is straightforward and hassle-free. You won’t have to worry about modifications or fitment issues—it’s engineered to bolt right onto your existing engine without any additional complications.

Enhanced Performance and Longevity

Upgrading your Jeep’s cylinder head isn’t just about durability—it’s also about enhancing performance. The improved heat dissipation and stronger construction of our premium universal cylinder head mean that your engine will run cooler and more efficiently. This can lead to better throttle response, smoother engine operation, and even improved fuel efficiency in some cases.

Additionally, the thicker design of this aftermarket cylinder head helps maintain proper valve seating and sealing, which is crucial for optimal combustion. A properly sealed cylinder head reduces the risk of leaks, ensures consistent compression, and contributes to overall engine longevity.

Whether you’re looking to restore your Jeep to peak performance or you want to give your engine an upgrade that will stand the test of time, this premium cylinder head is the ideal solution.

Ideal for Off-Road Enthusiasts and Daily Drivers Alike

Jeep owners are known for pushing their vehicles to the limit, whether it’s off-roading through rugged terrain or hauling heavy loads. If you’re someone who loves to take your Jeep off the beaten path, upgrading to our premium cylinder head is an essential investment in your engine’s future. The added strength and durability will give you the confidence to tackle even the roughest conditions without worrying about engine failure.

But even if you’re not an off-road enthusiast, this aftermarket cylinder head is still a smart upgrade for daily drivers. The improved performance, better heat management, and increased durability will ensure that your Jeep continues to run smoothly for years to come, with fewer breakdowns and expensive repairs along the way.

Conclusion: Upgrade Today for Long-Lasting Benefits

Upgrading your Jeep Cherokee Laredo’s 4.0 OHV engine with our premium universal cylinder head is more than just a repair—it’s an enhancement that will improve your vehicle’s durability, performance, and longevity. Built thicker and stronger than the factory original, this aftermarket cylinder head solves common issues like cracking and wear, making it the perfect solution for anyone looking to get the most out of their Jeep.

If you’re ready to upgrade your engine, don’t settle for the same old factory design. Invest in a premium aftermarket cylinder head that’s built to last and designed to deliver long-term value for your Jeep.

Key Features of Our Cylinder Head

• Superior Durability: Constructed from high-strength materials, this cylinder head is much thicker and stronger in all the critical areas compared to the factory head, ensuring long-lasting performance.
• Complete Assembly: It comes pre-assembled with valves and springs, simplifying the installation process.
• Universal Fit: This casting fits all 4.0L inline 6 Jeep engines from 1992 to 2007, eliminating the need to verify casting numbers.
• No Core Return Required: Purchase with ease, as no core return is necessary.

Technical Specifications Jeep 4.0L 0331 7120 0630 Cast Cylinder Head

• Fits: Jeep Cherokee Laredo 4.0 OHV engines Casting 0331 0630 7120
• Engine Type: 4.0L Inline 6
• Year Range: 1992-2007
• Replaces Casting Numbers: 0630, 7120, 0331

Benefits of Upgrading Your Cylinder Head

• Easy Installation: Pre-assembled components make installation straightforward, saving you time and effort.
• Reliable Performance: Designed to withstand high stress and thermal loads, ensuring your engine runs smoothly under various conditions.
• Long-Term Durability: Reduces the frequency of replacements and minimizes maintenance costs.

Heavy Duty Parts Company – Quality You Can Trust

At Heavy Duty Parts Company, we thoroughly clean, inspect, and pressure test all our cylinder heads. Using state-of-the-art equipment, we perform all seat and guide work, resurface the head to the required finish, and ensure a perfect seal between the valve and the seat with quality valve seals and vacuum testing. Our commitment to quality craftsmanship ensures that every cylinder head is ready for installation and built to last.

Shipping and Warranty Information

• Shipping: Rates apply to the continental United States only. For Alaska, Hawaii, Guam, Virgin Islands, and Puerto Rico, please call or email for shipping rates.
• Warranty: Heavy Duty Parts Company provides a 2-year unlimited mileage warranty.

Contact Us

We have thousands of heads in stock and deal with all makes and models. Our knowledgeable staff is ready to assist you.

Learn More about the 0331 Cylinder Head and Shop with Us

• Discover more about the 4.0 Jeep Engine: Motor Trend – Jeep’s Kick-Ass Engine History
• Explore our other Jeep products: Heavy Duty Parts Company – Shop

In conclusion, choose Heavy Duty Parts Company for superior quality and service. Enhance your Jeep’s performance with our reinforced Jeep 4.0L 0331 7120 0630 Cast Cylinder Head today!