6.7L Cummins Front Main Seal Replacement Cost

The cost of replacing the front main seal on a 6.7L Cummins diesel engine will depend on several factors, including the type of seal being replaced and any additional labor such as removing the transmission or other components. Generally, you should expect to pay between $200 and $500 for parts alone. Labor costs can range from $100 to over $500 depending on what needs to be done in order to access the seal.

In some cases, it may even require pulling out the transmission or other parts in order for the technician to get access to the area where they need work. All-in-all, this job could cost anywhere from around $300 up into several thousand dollars depending upon what is involved with each individual situation.

Replacing the front main seal on a 6.7L Cummins can be an expensive job, but it’s one that should not be put off since it is essential to keeping your engine running smoothly and efficiently. The cost of this repair typically ranges from $250 – $500 depending upon the shop you choose for service and parts costs. To ensure a long-lasting repair, make sure to invest in quality components when performing this job so as not to have to replace them again in the near future.

Dodge Cummins front main seal replacement – The easy way!!!

How Much Does It Cost to Replace Front Main Seal?

Replacing a front main seal can be an expensive repair, with costs ranging from $750 to over $1,200 depending on the make and model of your vehicle. This is because it requires special tools and knowledge to complete the job correctly. In addition to labor costs for removal and installation of the new seal, you may also need replacement parts such as gaskets or O-rings that could cost extra.

Furthermore, if you have a rear-wheel drive vehicle then the flywheel will likely need resurfacing or replacing in order to properly seat the new seal; this adds additional cost to the repair. It’s important to note that most shops will not install just one main seal, but require both sides be replaced at once – so bear this in mind when budgeting for this type of repair work.

How Hard is It to Replace Main Seal?

Replacing the main seal of your car can be a difficult task, especially if you are not an experienced mechanic. The process is complex and requires patience and precision in order to ensure that the seal is installed correctly. The first step involved in replacing the main seal involves draining all of the fluids from the engine compartment.

This includes oil, coolant and any other liquids or chemicals that may be present in the engine bay. Once this has been done, it’s important to remove any existing parts such as brackets or gaskets before attempting to replace the main seal itself. Taking apart these components can often cause some degree of difficulty as they need to be reassembled correctly afterwards so they do not interfere with new seals when they are put into place.

Additionally, ensuring proper lubrication around where new seals will go is also essential for successful installation of them; otherwise there could be further issues down the line due to improper fitting or lack of lubrication causing friction damage over time. Generally speaking however, with enough patience and focus replacing a main seal is entirely achievable by anyone who puts in their own effort – although professional assistance should definitely always be sought out if inexperienced individuals feel uncomfortable undertaking this type of job themselves!

How Serious is a Crankshaft Seal Leak?

A crankshaft seal leak is a very serious issue because it can cause significant damage to your engine. The seals are responsible for keeping oil from leaking out of the engine, and if they become damaged or worn out, then oil will start to escape. This can lead to premature wear and tear on internal parts due to lack of lubrication as well as costly repairs down the line.

Not only that, but it also increases the chances of other fluids entering into sensitive areas such as cylinders which could lead to even more expensive problems like piston failure or warped heads. Therefore, any signs that you may have a crankshaft seal leak should be addressed immediately in order to avoid further complications and costs associated with repair work.

How Long Does It Take to Replace a Main Seal?

Replacing a main seal can be a difficult job, and it’s important to make sure it’s done correctly. It will depend on the type of vehicle you have, as well as how much experience you or your mechanic has with replacing seals. Generally speaking, however, most mechanics estimate that it should take around two hours to replace a main seal.

This is assuming that all the necessary parts are already available and there aren’t any unexpected problems during the process. If you’re doing the job yourself, then expect to add another hour or so for research and preparation time before starting work on the car. With proper tools and some mechanical know-how though, changing out a main seal isn’t too complicated of an operation if tackled carefully; follow all safety protocols while working on your car!

6.7L Cummins Front Main Seal Replacement Cost

Credit: puredieselpower.com

6.7 Cummins Timing Cover Gasket Replacement Cost

Replacing a 6.7 Cummins timing cover gasket is an important maintenance item that can help keep your engine running smoothly and reliably. The cost of replacing the gasket will depend on the make, model, and year of your vehicle, as well as labor costs at your local auto shop. Generally speaking, you should expect to pay anywhere from $200-$500 for this type of repair job depending on these factors.

6.7 Cummins Front Main Seal

The 6.7 Cummins front main seal is an important component in the engine of a Dodge Ram 2500 or 3500 truck, as it seals the crankshaft at the front of the engine to keep oil from leaking out and potentially causing damage to other parts of the vehicle. Replacing this seal can be a daunting task for some people, however, with proper instruction and tools, it’s a relatively simple job that anyone can do themselves.

5.9 Cummins Front Main Seal Replacement

Replacing the front main seal on a 5.9 Cummins engine can be a difficult job, but it is something that needs to be done if you want your engine to stay in good working order. The process involves removing the crank shaft pulley and timing cover, as well as taking apart the oil pan and crankshaft bearing caps. Once all these components have been removed, it’s time to install a new seal using special tools like an installer tool or slide hammer.

It’s important to make sure that everything is put back together correctly so that no leaks occur when your engine runs again.


Replacing the front main seal on a 6.7L Cummins is an essential task when it comes to keeping your engine running smoothly. With proper maintenance and care, you can expect the replacement cost of this part to be relatively low. However, if the repair isn’t completed in time or performed incorrectly, then it could result in more costly damage down the road that requires additional parts and labor costs.

Thankfully, there are several steps you can take to ensure that your engine remains healthy and efficient for years to come, such as regularly checking fluid levels, replacing old seals and filters promptly, and performing regular inspections. Taking these preventative measures will help keep your vehicle running at its best for longer periods of time with minimal cost associated with repairing any potential issues.


  • Zayn

    John Zayn Smith is a renowned truck enthusiast, automotive industry expert, and author. Beginning his career as a mechanic, Zayn's curiosity led him to explore all facets of the trucking world, sharing his insights through in-depth articles on TruckGuider.com. His knowledge spans truck mechanics, trends, and aftermarket modifications, making him a trusted resource for both professionals and hobbyists. Outside writing and mechanics, Zayn enjoys off-roading, truck shows, and family time. Follow his work for the latest in truck-related news and tips.

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