This 2007.5 - 2009 Drop - In Series Diesel Fuel System is a perfect fit for Dodge Ram 2500/3500 with a 6.7L Cummins engine. It protects your Cummins from fuel contamination with a lifetime - warranted filtration solution. This system removes 99% of water, entrained air, and debris down to 2 Microns, ensuring smooth engine operation. It's a true plug - and - play system, installable in an hour or less without cutting, wiring, or extra modifications. The Extreme Water Separator (XWS) has industry - leading water elimination skills. If it gets full, it acts as a barrier to protect your fuel system. The FASS Drop - In Technology offers simple installation and top - notch filtration. The Performance Radius Cuts (PRC) improve fuel flow, unlike competitors' fittings. This system retains the water - in - fuel sensor's functionality, has air separation, increases fuel lubricity by up to 10%, extends the life of fuel injection components, and more. Electric heater options are available for cold weather. Part Number: DIFSRAM3001.

Using this drop - in diesel fuel system is easy. It's a plug - and - play system, so you can install it in your driveway in less than an hour if you're handy. Just make sure to use the required filters XWS3002XL & CWS1010. If you have a cab and chassis, you may need to make some modifications during installation. Also, if you have an aftermarket fuel tank, check if there's enough space to mount the system as it's designed for the factory water separator location. For maintenance, keep an eye on the Extreme Water Separator (XWS). If it gets full, it will protect your fuel system by acting as a barrier. Regularly check the filtration to ensure it's removing contaminants effectively. The system retains the factory in - tank lift pump, so you don't have to worry about replacing it. In cold weather, you can use the electric heater option for better reliability.