Jeep 4.0 Cylinder Head Replacement Cost

The cylinder head failure can result in severe engine damage and costly repairs as this is responsible for cooling and closing the combustion chamber. So you better have an idea about the cost of its replacement for budgeting and planning any necessary repairs.

Then, how much does the Jeep 4.0 cylinder head replacement cost? Typically ranges between $2,799 and $2,963, on average, depending on how long it takes to get the job done. This price is inclusive of labor costs. To break it down, the price of the parts is $2,170, while the labor cost is projected to be between $629 and $794.

However, there are several factors that will either lower or increase this cost. So it is crucial to consider everything before replacing your cylinder head. Read on to discover these factors, the common causes of replacing your cylinder head, and how to tell if it is faulty.

How Much Is A Jeep 4.0 Cylinder Head Replacement Cost?

The cost of replacing the cylinder head on a Jeep 4.0 depends on several factors. They include:

  • The make and model of your Jeep
  • The condition of the head
  • The manufacturer
  • Installation cost

Depending on the type of cylinder head, a cylinder head replacement typically costs about $2,170 without labor costs. The cost will almost certainly increase if you need to repair the head gasket and any other parts connected to it.

You must include the cost of labor in addition to the cost of the cylinder head. An hour’s worth of work can cost anything from $50 to $200, depending on the business. This means replacing a cylinder head could range between $2,100 and $3,000, depending on how long the project takes.

Fortunately, there are a few ways to cut the expense of replacing the cylinder head on a Jeep 4.0. One of the most efficient methods is to visit a few different businesses, look at them, and compare prices. You should also inquire about any promotions or discounts they may offer.

Lastly, you should carefully consider purchasing a secondhand cylinder head. Used cylinder heads are frequently available for a significant saving over new ones and are frequently in good shape.

Before purchasing, you should thoroughly inspect the head to guarantee that it is compatible with your Jeep.

Factors That Affect The Replacement Cost Of A Jeep 4.0 Cylinder Head

Several factors might influence the cost of replacing a Jeep 4.0 cylinder head. Here are the factors that can affect the price of a new 4.0-liter cylinder head for a Jeep.

1. Model of Jeep

The cost of a replacement Jeep 4.0 cylinder head can vary based on the type of Jeep it’s being fitted in. Different Jeep models may require a different cylinder head so the price may vary based on your Jeep’s make and type.

2. The State of the Previous Cylinder Head

The cost of a replacement cylinder head might be affected by the condition of the existing cylinder head. If the previous cylinder head is in good shape, it could be used as the core for a rebuilt or remanufactured cylinder head. This can assist in lowering the replacement cost.

3. Manufacturer

The cylinder head manufacturer might also affect the pricing. Depending on the Jeep type, various manufacturers may be available. Generally, aftermarket cylinder heads tend to be cheaper than OEM (Original Equipment Manufacturer) cylinder heads.

4. Installation

The price of the cylinder head is merely one variable in the equation. The installation cost might also vary greatly, depending on the job’s complexity. Suppose you don’t have the proper skills or experience to install the cylinder head. In that case, you may need to figure out the expense of a professional.

Considering all these elements might help you make an informed decision about changing your Jeep’s cylinder head.

Common Causes for Replacing a Jeep 4.0 Cylinder Head

There are a few common reasons for a Jeep 4.0 cylinder head replacement. These are some examples:

  • Coolant Leaks

Coolant leaks around the cylinder head gasket may necessitate its replacement. Coolant can seep into the cylinder head, causing it to deform and crack and necessitate replacement.

  • Cylinder Head Warp

Overheating the engine can cause the cylinder head to warp, forcing you to look for a replacement.

  • Cylinder Head Crack

The cylinder head can shatter because of the high-pressure environment in which it operates. A worn or cracked head gasket or low-quality engine parts might cause this.

  • Head Gasket Wear or Damage

The component that seals the cylinder head to the engine block is the head gasket. If it breaks, it might cause oil or coolant to leak, necessitating replacement.

  • Poor Quality Engine Parts

Poor-quality parts might cause the cylinder head to overheat and require replacement.

Signs Of A Failing Jeep 4.0 Cylinder Head

You can tell if you need to replace your Jeep 4.0 cylinder head in several ways. They include.

1. Check the engine warning light

The “check engine” light aims to notify you whenever there is a problem with your engine. Turning your back on issues will not solve them, no matter how much you wish it would.

If the engine warning light is illuminated, various issues may be present; one of these issues could be a broken cylinder head or not performing correctly.

2. Low oil levels

Even if you frequently forget to check your oil, it is still a healthy habit to develop. This will likely help you detect a damaged cylinder head before the situation worsens.

There is a possibility of oil loss occurring if the cylinder head of your vehicle is damaged. If the oil level drops faster than usual, you should have the Jeep inspected as soon as possible.

3. Leaks

Because your Jeep contains a wide range of fluids, a leak could be caused by various factors. One of these fluids is called coolant, and its function is to keep the engine running at a safe temperature at all times.

A cracked cylinder head may cause a coolant leak in your vehicle. If the cylinder head is split, coolant will have an easy way to seep out of the system. There is also a chance that the cylinder head will leak oil under certain conditions.

4. Smoke emitting from the tailpipe

The most likely explanation is that coolant has seeped into the engine, maybe due to a shattered cylinder head. One of the possible explanations is that the valve guide seals in the cylinder head allow oil into the machine.


Here are several more questions people tend to ask regarding the cost of replacing their Jeep’s cylinder head.

Is it urgent to replace a faulty Jeep 4.0 cylinder head?

The cylinder head is one of the most critical sections of the engine since it maintains cylinder pressure, allows for air intake and exhaust, and contains spark plugs. So, you should replace it if it is faulty.

If you neglect a broken cylinder head, the engine will suffer severe damage and eventually fail. A properly functioning cylinder head is not only necessary for an automobile’s smooth running but will also cause the engine to fail.

Can I drive if my cylinder head is faulty?

If your engine exhibits an indication of a faulty cylinder head – or even a failed gasket – you should avoid driving it until you replace it. Driving your Jeep could cause substantial engine damage. Repairs could be costly if coolant gets into the crankcase or the engine is allowed to overheat for an extended period.

What are the benefits of replacing a cylinder head?

Replacing a broken cylinder head can improve engine performance and help avoid additional damage. It can also assist in enhancing your car’s fuel efficiency and emissions.

Finally, changing a cylinder head can assist in extending the life of your engine and lessen the likelihood of future costly repairs.


The Jeep 4.0 cylinder head replacement cost can be expensive, but it is necessary. If your engine is straining due to a broken cylinder head, it should be changed as soon as possible to avoid further damage.

The cost of replacing a cylinder head will vary based on the make and model of your car. You can get your Jeep back on the road without breaking the budget if you study and plan ahead of time. So, compare pricing, look for discounts and deals, and consider purchasing a used cylinder head.

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