Marsram Fuel Filter Upgrade for 2019-2024 Ram 2500 3500 4500 5500

In this review the Marsram Fuel Filter Upgrade is evaluated for owners of 2019-2024 Dodge Ram 2500, 3500, 4500 and 5500 trucks with the 6.7L Cummins diesel. The bottom line: this replacement fuel filter and water separator is aimed at drivers who need a direct-fit, higher-efficiency element that improves particle capture without sacrificing flow. The reviewer found the upgraded 3 micron NanoNet dual mesh and synthetic fiber media to be the single biggest reason to consider this kit, while also noting fit, included O-rings, and some customer concerns about long term durability.

Key Features

• Compatibility: Designed to replace OE parts listed for 2019-2024 6.7L Cummins engines, ensuring a direct fit for Ram 2500, 3500, 4500 and 5500 models.
• Advanced filter media: The 3 micron NanoNet dual mesh and synthetic fiber layer improves fine particle capture and increases dust holding capacity for tougher diesel conditions.
• High filtration efficiency: A 7-layer micro filter structure claims to remove 99.9% of particles 4 microns or larger, helping protect injectors and fuel system components.
• OE-style installation: The kit includes two new O-rings and is manufactured to OE specification to simplify installation and maintain proper sealing.
• Maintained flow: Premium media and design are intended to preserve the higher flow and efficiency needed in diesel engines while improving contaminant removal.

Who It's For

This kit is best for owners of 2019-2024 Dodge Ram trucks with the 6.7L Cummins diesel who want a higher-grade replacement fuel filter and water separator that fits without modification. It appeals to DIYers and service shops that value a one-for-one swap and included sealing parts.

Those who need long-term proven durability or who have experienced repeated failures with aftermarket housings should consider factors carefully; some users reported issues with lower parts breaking or hoses leaking, so fleet buyers seeking the absolute longest-lasting factory-backed option may prefer OEM parts or thorough inspection after installation.

Pros & Cons

Pros

• Improved filtration with a 3 micron NanoNet dual mesh and synthetic fiber media for better contaminant control.
• Direct fit for 2019-2024 Ram 6.7L Cummins models and includes new O-rings for easier installation.
• High claimed efficiency from the 7-layer micro filter design that aims to protect downstream fuel components.

Cons

• Mixed customer feedback on build quality and durability, with some reports of lower housing breakage or leaks.
• Aftermarket longevity may vary compared with OE parts in heavy use or older vehicles.

Specifications

Our Verdict

The Marsram Fuel Filter Upgrade is a practical, value-focused replacement for Ram 6.7L Cummins owners who want better particle removal and an easy OE-style swap. It delivers improved filtration media and comes with the necessary O-rings, making it a solid choice for routine maintenance; however, buyers should be aware of mixed reports on long-term durability and inspect the housing and hoses after installation.

Frequently Asked Questions

Will this fit my 2021 Ram 3500 6.7L Cummins?
Yes, it is designed to fit 2019-2024 Ram 2500, 3500, 4500 and 5500 6.7L Cummins models using the listed OE numbers.

Does the kit include seals needed for installation?
Yes, the package includes two new O-rings and is manufactured to OE specification to help ensure proper sealing.

Is the filtration media better than stock?
The product uses a 3 micron NanoNet dual mesh and synthetic fiber with a 7-layer structure, which the manufacturer says improves particle capture and dust holding compared with standard elements.