
The Ram 2500 is a heavy-duty pickup truck manufactured by Chrysler. It is available in a 6.7L Cummins turbodiesel engine variant, which has two fuel filters: one in the engine compartment and one on the inboard side of the fuel tank. The primary fuel filter, a fuel-water separator unit, is mounted to the driver's side of the engine. This engine variant also employs an electric lift pump for priming the fuel system.
| Characteristics | Values |
|---|---|
| Number of fuel filters | 2 |
| Fuel filter location | One in the engine compartment, one on the inboard side of the fuel tank |
| Fuel filter replacement | Every 15,000 miles (24,000 km) or 12 months, or when a "fuel filter service required" or "water in fuel" message is displayed |
| Fuel filter set price | Around $85 on Amazon |
| Fuel filter brand | Mopar, Cummins Filtration Fleetguard, or NanoNet |
| Fuel filter maintenance | Priming the system by cycling the ignition to the "ON" or "RUN" position |
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What You'll Learn
- The 2019 Ram 2500 diesel has two fuel filters
- The primary fuel filter is mounted to the driver's side of the engine
- An auxiliary filter is mounted on the frame rail between the fuel tank and engine
- Mopar filters are recommended for Ram 2500 diesel trucks
- Fuel filter replacements are required every 15,000 miles or 12 months

The 2019 Ram 2500 diesel has two fuel filters
The fuel filters should be replaced every 15,000 miles, or 12 months, and the fuel system should be primed after replacement. Priming the system is a simple process of cycling the ignition to the "ON" or "RUN" position repeatedly. This will power on the electric lift pump, which will begin cycling fuel through the system. It is important to never prefill a fuel filter or filter housing with diesel fuel.
There are a variety of fuel filters available for the Ram 2500 diesel, including the Mopar filter, which can be purchased online or from a dealer. The Mopar filter is recommended for those still under warranty. Another option is the Cummins Filtration Fleetguard brand, which can be purchased online. It is also possible to do your own fuel filter service, which can save money, although it requires some knowledge and tools.
The Ram 2500 diesel fuel filter is an important component of the fuel system, and regular maintenance and replacement are necessary to ensure the vehicle's performance and longevity.
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The primary fuel filter is mounted to the driver's side of the engine
The Ram 2500 is a heavy-duty pickup truck with a 6.7L Cummins turbodiesel engine. This engine features two fuel filters: a primary filter mounted on the driver's side of the engine and an auxiliary filter mounted on the frame rail. The primary fuel filter is the focus here.
The primary fuel filter is an essential component of the Ram 2500's 6.7L Cummins turbodiesel engine. It is located on the driver's side of the engine, easily accessible for maintenance and service. This primary filter plays a critical role in ensuring the engine receives clean fuel, free of contaminants and water.
The 6.7L Cummins turbodiesel engine is renowned for its power and performance, and the primary fuel filter contributes to its efficient operation. By effectively filtering the fuel, this component ensures that only clean fuel reaches the engine, optimizing combustion and engine performance. Regular maintenance of the primary fuel filter is crucial to maintain the engine's health and longevity.
Servicing the primary fuel filter on the Ram 2500 is a straightforward task that many owners choose to perform themselves. It is recommended to replace the primary fuel filter every 15,000 miles or 12 months, or when a "fuel filter service required" message appears. This maintenance interval ensures the filter's effectiveness and helps prevent issues caused by contaminated fuel.
When replacing the primary fuel filter, it is important to follow the correct procedure. The Ram 2500's 6.7L Cummins turbodiesel engine utilizes an electric lift pump, simplifying the priming process. By cycling the ignition to the "ON" or "RUN" position, the electric lift pump activates and primes the fuel system, bleeding air and checking for leaks. It is crucial to never prefill the fuel filter or filter housing with diesel fuel, as this can cause issues.
In summary, the primary fuel filter on the Ram 2500's 6.7L Cummins turbodiesel engine is a critical component mounted on the driver's side of the engine. Its role in filtering fuel contributes to the engine's performance and longevity. With regular maintenance and proper servicing, the primary fuel filter helps ensure the Ram 2500's reliable operation.
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An auxiliary filter is mounted on the frame rail between the fuel tank and engine
The Ram 2500 is a heavy-duty pickup truck with a 6.7L Cummins turbodiesel engine. For all 6.7L Cummins turbodiesels, the primary fuel filter, a fuel-water separator unit, is mounted on the driver's side of the engine.
For the 2007 to 2012 model years, this assembly was the sole filtration system. However, starting with the 2013 model year, Ram introduced an additional auxiliary filter. This auxiliary filter is mounted on the frame rail between the fuel tank and the engine.
The auxiliary filter's purpose is to further enhance the fuel filtration process, working in conjunction with the primary fuel filter. This secondary layer of filtration helps ensure that the engine receives clean fuel, optimizing performance and longevity.
It is important to regularly maintain and replace the fuel filters in the Ram 2500 diesel. Cummins, the manufacturer, recommends replacing the fuel filters every 15,000 miles or 12 months, or promptly after a "fuel filter service required" or "water in fuel" message appears. Proper maintenance of these filters is crucial to ensure the engine's reliability and performance.
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Mopar filters are recommended for Ram 2500 diesel trucks
The Ram 2500 is a heavy-duty pickup truck with a 6.7L Cummins Turbo Diesel engine. It has two fuel filters: one in the engine compartment and one on the inboard side of the fuel tank.
Mopar filters are no more expensive than other brand-name equivalents, and they can be purchased for a fraction of the cost of buying them from a dealer. For example, the Mopar oil filter was available at Walmart for around $13, while it costs about $160 to buy it from a dealer. The fuel filter set can be purchased on Amazon for around $85, and it comes from a Mopar/FCA/Chrysler dealer.
Mopar recommends changing the oil after 15,000+ miles, or more frequently if you drive infrequently or make short trips. The OEM filter has been rigorously tested and validated to ensure it provides a specific level of performance and protection for the overall engine system. Using a non-genuine filter can lead to decreased levels of protection against wear and tear and higher levels of flow-restriction, which can contribute to a loss of engine performance and fuel economy.
In addition to the fuel filters, Mopar also offers a range of other filters for the Ram 2500, including oil, air, and lube filters. It is recommended that the lube and fuel filter services be conducted simultaneously, as the new orientation of the two-stage fuel filter on the engine allows for both cartridges to be replaced at the same time as the lube filter.
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Fuel filter replacements are required every 15,000 miles or 12 months
The 6.7L Cummins turbodiesel engine found in the Ram 2500 has two fuel filters: a primary fuel filter and an auxiliary fuel filter. The primary fuel filter, a fuel-water separator unit, is mounted on the driver's side of the engine. On the other hand, the auxiliary filter is mounted on the frame rail between the fuel tank and the engine and is only present in 2013 and newer models.
When it comes to fuel filter replacements, you have the option of purchasing them from various sources. Some popular options include buying them from authorized dealers, online retailers like Amazon, or specialty stores such as Geno's Garage. It is recommended to use OEM (Original Equipment Manufacturer) filters or those suggested by the engine manufacturer, Cummins, to ensure compatibility and maintain warranty coverage.
The process of replacing the fuel filters can be done at home with the help of online resources and video tutorials. However, it is essential to exercise caution when working with the fuel system. Before starting, ensure you have the correct tools and safety equipment, such as a 28mm or 29mm socket, depending on your specific model. Additionally, pay attention to details like priming the system properly by cycling the ignition to the "ON" or "RUN" position to activate the electric lift pump and bleed air from the fuel supply.
By following the recommended fuel filter replacement interval and using appropriate filters, you can maintain the performance and longevity of your Ram 2500 diesel engine. It is important to prioritize fuel system maintenance to ensure a smooth driving experience and prevent unexpected breakdowns due to fuel-related issues.
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Frequently asked questions
Ram 2500 diesel trucks have two fuel filters: one in the engine compartment and one on the inboard side of the fuel tank.
Mopar filters are recommended for Ram 2500 diesel trucks. They can be purchased from Amazon, Geno's, or a Mopar/FCA/Chrysler dealer.
It is recommended to change the fuel filters in a Ram 2500 diesel every 15,000 miles or 12 months, or promptly after a "fuel filter service required" or "water in fuel" message is displayed.











































