How to Change Fuel Filter 6.7 Cummins

Fuel filters are essential components of your vehicle’s fuel system, providing protection from harmful contaminants that could otherwise compromise engine health. Regularly changing out your filter can ensure optimal fuel flow and performance.

Before changing a fuel filter, it’s necessary to gather all of the tools. These include a new filter, wrench or pliers, safety glasses, gloves and a container to catch any spilled fuel.

1.       Loosen the Bolts

Fuel filter replacement in your diesel truck isn’t complicated or time consuming if done with some basic tools and the appropriate parts, making a DIY effort possible and saving yourself a trip to the dealer and potential problems caused by air and moisture in the fuel. With internet resources offering how-to articles and videos on this subject matter, changing out your filter at home should not be challenging at all!

Your requirements to install a fuel filter include a new filter, wrench or pliers, safety glasses and gloves, rags or paper towels and a container to catch any spilled fuel. In order to drain off your filter canister’s excess water drain valve by attaching a hose, take note that there should also be safety glasses on hand as well as gloves to wear while draining off excess fluid from its filter canister.

Upgrade your Cummins with a FASS Extreme Water Separator to safeguard its injection system from excessive water contamination, eliminating the need for separate filters on the engine. It can easily replace its factory fuel/water separator.

2.       Drain the Fuel

Fuel filters are essential components of any diesel truck, removing contaminants from its fuel supply to ensure optimal engine performance and avoid damage to other components. They’re also essential in meeting emission standards and lowering exhaust emissions.

As changing a fuel filter can be an unpleasant process, it is vital to be prepared with all necessary supplies, including a drain pan. In order to successfully change it, you will require new filter material, wrench/pliers set, safety glasses/gloves combination set, safety glasses as well as container to catch any spilled fuel.

Before beginning to drain the tank, be sure to unpressurize its system by taking steps such as taking away its fuel cap in order to decrease pressure within it and consequently decrease how much you must drain from its contents. This will also lessen how much fuel must come out from within its confines.

3.       Remove the Lines

Maintain a well-kept fuel filter to protect the engine and avoid engine damage.

Filters remove contaminants that clog injectors, leading to improper ignition, engine stalling or complete engine failure.

Fuel filters play an essential role in keeping your 6.7 Cummins engine operating at peak condition and protecting it from potential damages, as well as meeting emissions standards and protecting the environment. By regularly replacing their filters, truck owners can keep their engine safe for continued performance while helping protect it against further wear-and-tear.

Before changing the fuel filter on a 6.7 cummins, gather all necessary tools and materials. These may include a new filter, wrench or pliers, safety glasses and gloves, drain pan, clean rags or paper towels as well as your vehicle owner manual to locate its location and determine how best to access it.

4.       Remove the Filter

Few vehicles on the market today provide fuel filter replacement as easily as the Dodge Ram 6.7L Cummins diesel truck. A simple ratchet and extension allow removal and installation in under five minutes – perfect for roadside repairs for slow performance or no-start conditions.

Regular fuel filter changes help your engine perform at its optimal levels and meet emission standards, while clogged filters restrict fuel flow, potentially damaging the engine. Our Fuel Filter Delete kit removes the factory filter assembly, helping clean up under the hood while also cutting maintenance costs by installing directly into fuel lines – with both primary and secondary filters provided as part of this kit.

5.       Install the New Filter

Maintaining a fresh filter is integral to protecting your engine. Doing so ensures that the fuel being fed to it remains free from contaminants, helping protect the injection system while also lowering emissions while increasing fuel efficiency.

This Mopar 6.7L diesel fuel filter service kit contains two Genuine OEM filters (part numbers 68157291AA and 68436631AA), both in stock and ready for immediate shipping!

The 6.6L Cummins employs an innovative filter assembly that houses both its primary and secondary filters within one unit, mounted to the frame rail on the driver side of the truck and accessible by loosening a set screw and disconnecting two quick disconnect fuel lines; after doing so, lifting out is possible for replacement; it is highly recommended priming any new filter after installation.