Marsram 6.7 Cummins Fuel Filter for 2019–2023 Ram 2500/3500 Direct‑Fit Water‑Separating, 4‑Micron Protection

Marsram 6.7 Cummins fuel filter is a direct-fit water-separating replacement designed to capture water and down-to-4-micron contaminants for 2019–2023 Ram 2500, 3500, 4500 and 5500 diesel engines.

When you need a reliable fuel filtration solution for your 6.7L Cummins Ram, this Marsram assembly provides OE-style fitment, premium filtration media and factory testing to help preserve injectors and fuel system components. It replaces common OEM and aftermarket part numbers and installs the same way as the original unit, making it a straightforward maintenance item for diesel owners and technicians.

How does this filter protect my 6.7 Cummins fuel system?

The Marsram filter separates water from diesel and traps fine particles down to roughly 4 microns, reducing the risk of damage to pumps and injectors. Its media and sealing design prioritize high flow while removing contaminants typically found in diesel fuel.

• Removes up to 99% of free water from fuel
• Captures impurities to approximately 4 microns
• Engineered for high flow rates required by diesel systems
• 100% factory-tested for function and leak-free performance

Will this fit my Ram model and replace my current part number?

This Marsram assembly is built for 6.7 Cummins-equipped Ram trucks from 2019 through 2023 and covers many common OEM and aftermarket numbers. Always verify the part number and housing style on your vehicle before buying to ensure exact compatibility.

• Compatible with Ram 2500, 3500, 4500, 5500 diesel models (6.7L)
• Replaces numbers like 68157291AA, PF46152, WF10112 and many others
• Check your existing filter’s part number or vehicle spec first
• Direct replacement design for the original filter housing

How difficult is installation and what should I expect?

Installation is intended to be straightforward since the unit is a direct replacement made to OE specifications. Typical installations require only basic hand tools and a brief bleed/priming routine per manufacturer guidelines.

• Direct-fit form factor for original housing—no modification required
• Simple hand-tool installation for most owners or technicians
• Follow standard bleed/prime steps after replacement
• Includes seal and media optimized for long service life

What warranty and quality checks come with this filter?

Marsram subjects each fuel filter to factory testing and backs it with a one-year warranty to cover workmanship and material issues. Their support team is available if you have fitment or performance questions after purchase.

• 1-year limited warranty from Marsram
• 100% tested before leaving the factory for leaks and function
• Customer support for fitment and installation inquiries
• Manufactured to meet or exceed OE filtration expectations

Who is this for: Diesel owners, fleet managers and independent technicians who maintain 6.7L Cummins-powered Ram trucks (2019–2023) and want a cost-effective, OE-style replacement that separates water and filters fine particulates. If you need reliable contaminant control, straightforward installation and broad part-number coverage, this Marsram fuel filter is positioned as a practical service item for routine maintenance and repair.