The Cummins 6.7-liter engine requires the fuel filter to be changed every 5,000 miles under normal driving conditions. If you frequently drive in dusty or dirty conditions, or if you do a lot of towing, you may need to change the filter more often.
If you have a 6.7 Cummins, it’s important to change your fuel filter regularly. How often you need to do this depends on how much driving you do and the conditions of the roads you drive on. However, as a general rule of thumb, you should change your fuel filter every 5,000 miles or so.
This will help keep your engine running smoothly and prevent any potential issues.
How Often to Change Cummins Fuel Filter
Cummins fuel filters need to be changed on a regular basis in order to keep your engine running properly. Here is a guide on how often to change them:
It is generally recommended that you change your Cummins fuel filter every 6,000 miles or so.
However, it is best to consult your owner’s manual for specific recommendations as this may vary depending on your particular model.
If you notice any decrease in performance or fuel economy, it might be time to change your fuel filter sooner. Also, if you are using lower quality fuels, they can clog up your filter quicker and cause problems, so be sure to use good quality gasoline or diesel.
Changing your Cummins fuel filter is a pretty simple process and only takes a few minutes. Be sure to have a new filter on hand before beginning. You will also need a socket wrench and some basic hand tools.
First, locate the old filter and unscrew the housing cap using the socket wrench. Then, remove the old filter and dispose of it properly. Next, take the new filter and insert it into the housing making sure it is seated correctly.
Finally, screw on the housing cap tightly and you’re done!

Credit: racemeofficial.com
How Often Should Fuel Filter Be Changed on 6.7 Diesel?
The frequency of changing your fuel filter depends on several factors, such as the type of fuel you use, the age and make of your vehicle, and your driving habits. As a general rule of thumb, most mechanics recommend changing your fuel filter every 10,000-12,000 miles or once a year, whichever comes first.
If you drive an older vehicle or one with high mileage, you may need to change your fuel filter more often.
The same goes for if you frequently drive in stop-and-go traffic or on dirt roads, as these conditions can clog up your filter quicker. Conversely, if you have a newer car and primarily drive on highways, you may be able to go longer between changes.
No matter what kind of driving you do or what kind of car you have, it’s always a good idea to check your owner’s manual for specific recommendations from the manufacturer.
They know your car best and can give you the most accurate information about how often to change your fuel filter.
How Long Do Fuel Filters Last on 6.7 Cummins?
How long do fuel filters last on 6.7 Cummins? Depending on how often you drive and the conditions of the roads you travel, your fuel filter should be replaced every 30,000 to 50,000 miles. However, it’s a good idea to check your owner’s manual or with your local dealership to find out what is recommended for your specific vehicle.
How Often Should You Change Cummins Fuel Filter?
Cummins fuel filters should be changed every time you fill up your tank. This will ensure that your engine is running clean and efficiently.
How Often Do You Replace Fuel Filter Ram 2500 Diesel?
If you have a Ram 2500 diesel, you should replace your fuel filter every 10,000 miles or so. This will help to keep your engine running smoothly and prevent any potential problems down the road.
HOW TO: 5TH Gen RAM 2019-2022 FUEL FILTER CHANGE for your 6.7 Cummins
Conclusion
The fuel filter on a 6.7 Cummins should be changed every 20,000 to 30,000 miles, or every year, whichever comes first.