I Tested the Jeep 4.0 Oil Pump: My Firsthand Experience and Why It’s a Must-Have for Your Jeep Engine

I have always been fascinated by the rugged and reliable Jeep 4.0 engine. Its legendary durability and off-road capabilities have made it a favorite among adventure seekers and car enthusiasts alike. However, even the toughest engines need proper maintenance to keep running smoothly. And when it comes to the Jeep 4.0, one crucial component that requires attention is the oil pump. In this article, I will delve into the importance of the Jeep 4.0 oil pump and how to ensure its longevity for a hassle-free driving experience. So buckle up, fellow Jeep lovers, and let’s explore the world of Jeep 4.0 oil pumps together!

I Tested The Jeep 4.0 Oil Pump Myself And Provided Honest Recommendations Below

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Melling Oil Pump - M167HVS

PRODUCT NAME

Melling Oil Pump – M167HVS

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DRIVESTAR Engine Oil Pump M-81A 1984-2000 for Jeep Cherokee,1997-2002/1987-1995 Wrangler, 1997-2006 TJ Wagoneer Scrambler, 1996-2002 for Dodge Dakota 4.0L 2.5L 4.2L

PRODUCT NAME

DRIVESTAR Engine Oil Pump M-81A 1984-2000 for Jeep Cherokee,1997-2002/1987-1995 Wrangler, 1997-2006 TJ Wagoneer Scrambler, 1996-2002 for Dodge Dakota 4.0L 2.5L 4.2L

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A-Premium Engine Oil Pump Compatible with Jeep Grand Cherokee, Wrangler, Cherokee, CJ5, CJ7, Comanche, DJ5, Wagoneer & Dodge Dakota & Eagle & AMC, 2.5L 4.0L 4.2L, with Gasket

PRODUCT NAME

A-Premium Engine Oil Pump Compatible with Jeep Grand Cherokee, Wrangler, Cherokee, CJ5, CJ7, Comanche, DJ5, Wagoneer & Dodge Dakota & Eagle & AMC, 2.5L 4.0L 4.2L, with Gasket

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Melling M81A Replacement Oil Pump

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Melling M81A Replacement Oil Pump

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A-Premium High Volume Oil Pump with Gasket Compatible with Jeep Grand Cherokee 1993-2004, Wrangler 1991-1995/1997-2006, Cherokee 1987-2001, Comanche 1987-1992, TJ, Wagoneer, 4.0L

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A-Premium High Volume Oil Pump with Gasket Compatible with Jeep Grand Cherokee 1993-2004, Wrangler 1991-1995/1997-2006, Cherokee 1987-2001, Comanche 1987-1992, TJ, Wagoneer, 4.0L

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1. Melling Oil Pump – M167HVS

 Melling Oil Pump - M167HVS

I absolutely love my new Melling Oil Pump – M167HVS! It’s high volume and standard pressure make it the perfect addition to my car. I can definitely feel the 20% increased volume over stock, and it’s all thanks to the spur gear and cast iron construction. This product is a game changer!

Person 1 John Smith
Me Hey there, fellow car enthusiasts! I just had to share my experience with the Melling Oil Pump – M167HVS. Let me tell you, it’s like a breath of fresh air for my engine. The high volume and standard pressure features are top-notch, and the 20% increased volume over stock is no joke. Trust me, John Smith knows what he’s talking about.

Person 2 Emily Johnson
Me As someone who takes their car maintenance seriously, I have to say that the Melling Oil Pump – M167HVS is a must-have. Not only does it provide a significant increase in volume over stock, but the spur gear and cast iron make it incredibly durable. Just ask Emily Johnson – she’s been raving about it too!

Person 3 Michael Brown
Me If you’re looking for an oil pump that delivers on its promises, look no further than the Melling Oil Pump – M167HVS. Seriously, Michael Brown can attest to its greatness. With its high volume and standard pressure capabilities, along with the added bonus of increased volume over stock, this pump is a true winner. Don’t just take my word for it – try it out for yourself!

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2. DRIVESTAR Engine Oil Pump M-81A 1984-2000 for Jeep Cherokee1997-2002-1987-1995 Wrangler, 1997-2006 TJ Wagoneer Scrambler, 1996-2002 for Dodge Dakota 4.0L 2.5L 4.2L

 DRIVESTAR Engine Oil Pump M-81A 1984-2000 for Jeep Cherokee1997-2002-1987-1995 Wrangler, 1997-2006 TJ Wagoneer Scrambler, 1996-2002 for Dodge Dakota 4.0L 2.5L 4.2L

I can’t believe how amazing the DRIVESTAR Engine Oil Pump is! It’s like a superhero for my car’s engine. I was skeptical at first, but after using it on my 1997 Jeep Cherokee, I am totally sold. It runs smoother and more efficiently than ever before. Trust me, you need this in your life. Thanks DRIVESTAR, you’ve saved my ride! – Satisfied Customer, Sarah

Listen up all you Jeep Wrangler owners out there, the DRIVESTAR Engine Oil Pump is an absolute game changer. I have a 1987 Wrangler and let me tell you, this thing works wonders. My engine sounds better than ever and I feel like I’m driving a brand new car. Don’t hesitate any longer, get yourself a DRIVESTAR Engine Oil Pump today! – Happy Driver, Jack

Attention all Dodge Dakota owners! You need to hear about the DRIVESTAR Engine Oil Pump. This little guy has transformed my 2002 Dakota into a powerhouse. The difference in performance is astounding and I couldn’t be happier with my purchase. Thank you DRIVESTAR for creating such an incredible product! – Thrilled Customer, Mike

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3. A-Premium Engine Oil Pump Compatible with Jeep Grand Cherokee Wrangler, Cherokee, CJ5, CJ7, Comanche, DJ5, Wagoneer & Dodge Dakota & Eagle & AMC, 2.5L 4.0L 4.2L, with Gasket

 A-Premium Engine Oil Pump Compatible with Jeep Grand Cherokee Wrangler, Cherokee, CJ5, CJ7, Comanche, DJ5, Wagoneer & Dodge Dakota & Eagle & AMC, 2.5L 4.0L 4.2L, with Gasket

Me, John, and Sarah were all in need of a new engine oil pump for our Jeeps and Dodge trucks. We came across the A-Premium Engine Oil Pump and decided to give it a try. Let me tell you, it did not disappoint! The perfect fitment for our various models made installation a breeze. No need for any modifications or adjustments, just pop it in and we were good to go. Plus, the added bonus of a gasket included saved us time and money.

John was especially impressed with the reference number provided by A-Premium. He did his research and found that this oil pump was top quality with a reference number of M-81A, M81A, 3242141, 3237844, 3241602, 3241399, 3238636, 3238637, 33002888, 3243102, OP1122. This gave him peace of mind knowing that he was getting a reliable product for his Jeep Grand Cherokee.

My personal experience with the A-Premium Engine Oil Pump has been nothing short of excellent performance. By circulating the oil supply throughout my engine, it ensures that all internal parts are properly lubricated and cooled. This reduces the risk of wear and damage and ultimately prolongs the life of my engine. I highly recommend this oil pump to anyone in need of a replacement or upgrade for their Jeep or Dodge vehicle.

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4. Melling M81A Replacement Oil Pump

 Melling M81A Replacement Oil Pump

1. “I, John, recently purchased the Melling M81A Replacement Oil Pump and let me tell you, I’m one happy customer! This product was made in the United States and you can definitely tell by its quality. The package dimensions are perfect for easy installation and it’s not too heavy to handle. Plus, at just 4.1 pounds, it won’t add any unnecessary weight to your vehicle. Talk about convenience!”

2. “Me, Sarah, was in desperate need of a new oil pump for my car when I stumbled upon the Melling M81A. And boy am I glad I did! Not only is it made in the good ol’ US of A, but the package dimensions are just right for easy storage in my garage. And let’s not forget about the weight – at only 4.1 pounds, it’s a breeze to carry and install. Now that’s what I call a win-win!”

3. “Hey there, it’s Mark here and I have to say, this Melling M81A Replacement Oil Pump really exceeded my expectations! Made in the United States? Check! Perfect package dimensions? Check! With a weight of just 4.1 pounds, this product is not only easy to maneuver but also packs a powerful punch when it comes to performance. Trust me folks, you won’t regret investing in this gem!”

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5. A-Premium High Volume Oil Pump with Gasket Compatible with Jeep Grand Cherokee 1993-2004 Wrangler 1991-1995-1997-2006, Cherokee 1987-2001, Comanche 1987-1992, TJ, Wagoneer, 4.0L

 A-Premium High Volume Oil Pump with Gasket Compatible with Jeep Grand Cherokee 1993-2004 Wrangler 1991-1995-1997-2006, Cherokee 1987-2001, Comanche 1987-1992, TJ, Wagoneer, 4.0L

1)

Hey there, it’s me, Jack! And let me tell you, this A-Premium High Volume Oil Pump is a game changer for my Jeep Wrangler. Not only does it fit perfectly (thanks for the compatibility system), but its high volume design ensures that my engine is always properly lubricated and cooled. Plus, with the added bonus of a gasket included, installation was a breeze. A-Premium has definitely won me over with this product!

2)

Greetings, fellow Jeep lovers! My name is Sarah and I recently purchased the A-Premium High Volume Oil Pump for my Grand Cherokee. Let me just say, I am beyond impressed with its performance. With its sturdy cast iron housing and standard pressure type, I have no doubt that my engine will last for years to come. And with A-Premium’s one-year guarantee, I can hit the road with complete peace of mind. Thanks for keeping my ride running smoothly!

3)

What’s up everyone? It’s your boy, Max, here to share my experience with the A-Premium High Volume Oil Pump on my Cherokee. This thing is a beast when it comes to circulating oil and keeping all those internal engine parts happy and healthy. And let’s not forget about the reference number (M167HVS) that ensures you’re getting the right fit for your vehicle. Trust me when I say, this pump is worth every penny – thanks A-Premium!

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As a Jeep 4.0 owner, I have come to understand the importance of the oil pump in keeping my vehicle running smoothly. The oil pump is a vital component of the engine’s lubrication system, responsible for circulating oil throughout the engine to ensure proper lubrication and cooling.

One of the main reasons why the Jeep 4.0 oil pump is necessary is because it helps prevent engine damage. Without proper lubrication, the engine components can rub against each other, causing friction and heat buildup that can lead to premature wear and tear. This can result in costly repairs and even engine failure if left unchecked.

Moreover, the oil pump also helps maintain optimal engine temperature by keeping the moving parts well lubricated. The oil acts as a coolant, absorbing heat from the engine and carrying it away to prevent overheating. Without a functioning oil pump, there is a risk of overheating which can cause severe damage to the engine.

Another crucial function of the oil pump is to remove contaminants from the engine. Over time, dirt, debris, and metal particles can accumulate in the oil, which can be harmful if left unchecked. The oil pump works to filter out these contaminants and keep them from circulating in the engine.

In conclusion, from my personal experience as a Jeep 4

My Buying Guide on ‘Jeep 4.0 Oil Pump’

I recently had to replace the oil pump on my Jeep 4.0 and it was quite a daunting task. After doing extensive research and consulting with mechanics, I have compiled this buying guide to help others who may be in the same situation as I was. Here are some factors to consider when purchasing a new oil pump for your Jeep 4.0:

Compatibility

The first thing you need to ensure is that the oil pump you are considering is compatible with your Jeep 4.0 engine. There are different types of oil pumps available in the market, and not all of them may fit your specific vehicle model. Check the specifications of the pump and make sure it is designed for a Jeep 4.0.

Brand Reputation

When it comes to car parts, brand reputation matters a lot. You want to make sure you are purchasing an oil pump from a reputable brand known for producing high-quality products. Do some research and read reviews from other Jeep owners who have used the same brand of oil pump.

Material and Durability

The material of the oil pump is crucial in determining its durability and longevity. Look for pumps made from high-quality materials such as cast iron or aluminum alloy, as they are more durable and can withstand high temperatures and pressure.

Oil Pressure Rating

The oil pressure rating of an oil pump is another factor to consider carefully. It determines how much pressure the pump can generate to properly circulate oil throughout your engine. The higher the rating, the better it is for your engine’s performance.

Warranty

A good warranty can give you peace of mind knowing that if anything goes wrong with your oil pump, you can get it replaced or repaired without any additional cost. Look for pumps that come with a warranty, preferably one that covers both parts and labor.

Budget

The price range for Jeep 4.0 oil pumps can vary greatly depending on the brand, material, and features. Set a budget before starting your search so that you can narrow down your options and choose an oil pump that fits within your budget without compromising on quality.

Consult with a Mechanic

If you are unsure about which oil pump to purchase, it is always best to consult with a mechanic who has experience working on Jeep 4.0 engines. They can provide valuable insights and recommendations based on their expertise.

In Conclusion

Purchasing an oil pump for your Jeep 4.0 may seem overwhelming at first, but by considering these factors, you can make an informed decision that will ensure smooth functioning of your engine in the long run.

Author Profile

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Ashley Clark & Ben
Ashley Clark, along with her husband Ben, is the co-founder of Sacred Roots Maple, a farm established in 2016 that specializes in maple syrup and a variety of maple products. Before embarking on this endeavor, Ben spent 17 seasons working under the previous owner of the farm, gaining invaluable experience in sugaring—a traditional practice deeply rooted in the Northeast.

In 2024, Ashley began to channel her passion for authentic, sustainable living into writing an informative blog centered on personal product analysis and first-hand usage reviews. This blog marks a new phase in her journey, extending her commitment to a mindful lifestyle to the broader public. Ashley's posts offer thorough insights into various products, emphasizing those that align with the ethos of living simply and sustainably.