6.7 Cummins Freeze Plug Locations

The 6.7 Cummins engine has two freeze plugs located on the side of the block, one in the front and one in the rear. The front plug is located just above where the oil filter mounts and it is about 3 inches from the top edge of the block. The rear plug can be found at approximately 4-5 inches from the bottom edge of the block and just below where a starter motor would mount if it were present.

Both plugs are secured with a small Phillips head screwdriver or an 8mm socket wrench, depending on their size. It’s also important to note that there may be additional freeze plugs near other components such as fuel injection pumps or oil coolers so always double check before proceeding with any repairs or maintenance tasks involving these parts!

The 6.7 Cummins is a powerful engine, but it needs regular maintenance to keep running smoothly. One important part of this routine service involves checking and replacing the freeze plugs in your engine. Fortunately, knowing where to find these plugs isn’t too difficult as they are typically located along the sides of the block near the oil pan or on either side of the cylinder head.

To help with locating them specifically for your 6.7 Cummins engine, take a look at your owner’s manual or contact an experienced technician for assistance if needed.

Dodge Cummins Expansion Plug Removal

How Many Freeze Plugs are in a 6.7 Cummins?

A 6.7 Cummins engine contains two freeze plugs, also known as expansion plugs or engine block heaters. These are located on either side of the cylinder head and help to prevent it from cracking or warping in cold temperatures. The size of the freeze plug depends on many factors such as the type of vehicle, engine model, and year of manufacture.

Generally, a 6.7 Cummins uses M14-1.5 metric thread plugs that measure 1 5/8 inches in diameter with a thickness between 3/16 inch and ¼ inch depending on the application. It’s important to replace any damaged freeze plugs in order to maintain proper functionality and performance as well as reduce corrosion build up which can cause more serious issues down the line if left unchecked.

Where are Freeze Plugs Located?

Freeze plugs, also known as expansion plugs, are located in the engine block of your car. They provide an area for coolant to expand when the engine is running hot, preventing damage from occurring due to excessive pressure buildup. The most common location for freeze plugs are at the back of the cylinder head and below it on either side; however they can also be found around the sides or front of some engines.

In addition to providing a place for coolant expansion, freeze plugs can help prevent corrosion in certain areas by acting as a barrier between dissimilar metals. It’s important to inspect them regularly and replace any that are damaged or missing since failure could lead to expensive repairs down the road.

How Do I Know If My Freeze Plug is Bad?

Freeze plugs are crucial components of the engine and cooling system in many car models, and if they become damaged or worn out, it can cause your engine to overheat. If you suspect that one of your freeze plugs may be bad, there are a few ways you can tell for sure. First thing you should do is check around the plug for any signs of leakage; this includes looking underneath the vehicle and checking both inside and outside of the radiator as well.

Additionally, examine all areas near where the plug connects to ensure there aren’t any cracks or other damage that could have caused a leak. Another way to tell if a freeze plug is bad is by listening closely when you start up your engine—a loud knocking noise from within the cylinder block area indicates an issue with one or more freeze plugs. Finally, if none of these options give an answer either way, take off your radiator cap and inspect inside for any rust buildup which would indicate that water has been leaking in through one of your freeze plugs.

By following these steps carefully, you will be able to determine whether or not there is an issue with one (or more) of your car’s freeze plugs so that it can be fixed before further costly damage occurs!

Can I Drive My Truck With Leaking Freeze Plug?

No, you should never drive your truck with a leaking freeze plug. A freeze plug is generally located in the engine block and serves as an expansion chamber to take up any extra space during temperature fluctuations. When it leaks, it can cause coolant to leak from the system which can lead to overheating of the engine, not to mention other costly damage that could result from driving with a malfunctioning vehicle component.

The best course of action would be to have your truck serviced by a qualified technician who can inspect and replace any faulty components before continuing on your journey. Ignoring such issues can lead to more extreme problems down the line so taking care of them now can save you money in repairs further down the road!

6.7 Cummins Freeze Plug Locations

Credit: www.scheiddiesel.com

6.7 Powerstroke Freeze Plug Location

The freeze plug location on the 6.7 Powerstroke diesel engine is located at the rear of the engine block, near cylinder number 8 and just above the oil filter. It’s a round metal part that should be inspected regularly to make sure it hasn’t corroded or cracked due to high temperatures over time. If this happens, replacing it with a new one will help prevent your engine from overheating.

7.3 Powerstroke Freeze Plug Location

The 7.3 Powerstroke engine features 18 freeze plugs, which are located around the cylinder head, block and valve cover area of the engine. The most common locations for these plugs are on the back side of each cylinder head, in two spots along each side of the block near the crankshaft pulley, and on top of both valve covers. It is important to replace any leaking freeze plugs as soon as possible, since they can cause major damage to other components if left unchecked.

5.9 Cummins Freeze Plug Location

The 5.9 Cummins freeze plug is located on the right side of the engine block, just above the oil filter housing. It’s important to check this freeze plug regularly for signs of wear or damage as it can be susceptible to corrosion and leaks over time. If replacement is needed, a new freeze plug should be sourced from an OEM source to ensure compatibility with your 5.9 Cummins engine.


Overall, the 6.7 Cummins has several freeze plug locations that should be checked periodically to ensure they are not leaking or corroded. Although this process may seem daunting, the steps involved in replacing them are fairly simple and can help maintain a healthy engine. With proper care and maintenance of these plugs, they will continue to keep your engine running smoothly for many years to come.


  • Zayn

    Zohn Zayn Smith is a seasoned automotive enthusiast with over 15 years of experience in the industry. As the Founder and Chief Editor of Truckguider, he specializes in Dodge Ram models, including the Ram 1500 and Ram 2500. His deep understanding of these trucks makes him a trusted authority on everything from performance and maintenance to towing capabilities.

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