rear main seal replacement cost

Jeep 4.0 Rear Main Seal Replacement Cost (Average Price)

The jeep 4.0 rear main seal replacement cost is an essential part of the jeep 4.0 engine that helps to seal off the area between the engine block and crankshaft.

This feature is one of many reasons why it’s important to make sure you replace your jeep 4.0 rear main seal if it becomes defective or worn out.

If the rear main seal becomes defective there will be an oil leakage which over time may lead to more serious damage to your jeep, that is why in this article we are going to cover the cost to have the rear main seal replaced.

Jeep 4.0 rear main seal replacement cost

In short, the average cost to replace a rear main seal in a jeep 4.0 is $450 the price ranges between $300 and 600 labor is the most expensive part of the total cost, location, and where you take it will influence the overall price.

If you are able to do some of the repair work yourself then you can save more money because you would only need to pay for labor. In addition, many people consider replacing their jeep 4.0 rear main seal a good learning experience, a way to gain more knowledge and skills in automotive repair and maintenance.

Factors influencing the amount it cost to replace a rear main seal


The location plays a huge role in the final cost, for example in metro areas such as downtown LA, Seattle, or Chicago you are going to have higher costs because of the high demand for labor. In contrast, if you are located in a more rural area there is likely no reason why you would have to pay any more than another jeep 4.0 owner in your area.


Labor plays a large role in the final cost due to the fact that they will be the most expensive part of the labor. The main reason why it cost so much is the fact that it is not an easy job , you have to have the right tools and experience in order to complete a proper job.


The parts to replace a jeep 4.0 rear main seal are fairly inexpensive, they can cost anywhere between $50 and $200 depending on what part you purchase and what type of deal you can find. You can always search online for the best prices possible including shipping, this also applies if you plan on doing some work yourself and buying the parts needed to complete the task.

Mechanic vs DIY when replacing the rear main seal on your Jeep

If you are able to do some of the work yourself, then you may be better off doing it yourself, this will save you money and also give you the experience to go along with moving forward. However, if all of the other factors are not in your favor it would be in your best interest to take it to a mechanic who can most likely complete the job without any issues and problems that you are likely to encounter since mechanics have some experience with these repairs.

I would recommend that you take the car to the nearest jeep auto repair since replacing a rear main seal may require for you to remove the transmission and a certain level of precision and experience to complete the job correctly.

How many hours does it take to replace a rear main seal?

The average rear main seal replacement will take around 6-8 hours you will want to factor in an extra hour or two because of the fact that your mechanic may need to make a certain number of required repairs before he can begin the job.

Other things such as skill and experience will also vary the number of hours it takes to replace a rear main seal for an experienced mechanic it is likely that he can complete the job in just 5-7 hours.

When should you replace a rear main seal?

There is no specific time frame when you should replace a rear main seal because in most cases it is going to be related to the number of oil leaks you have had since your jeep 4.0 rear main seal may be defective take the car in right away and have it diagnosed by a mechanic to see if there is something wrong with your jeep.

Final Thoughts

The jeep 4.0 rear main seal replacement cost is a very important part of your jeep engine. It is designed to ensure a proper seal between the block and the crankshaft, this is the reason why it is one of the most expensive parts in terms of replacement costs. If you experience an oil leak from this area it could lead to more serious problems and damage to your jeep which will cost you even more money down the road.