Wisamic 6.7L Cummins Fuel Filter Water Separator Set for 2019-2022

In this review the Wisamic 6.7L Cummins fuel filter water separator set is evaluated for owners of 2019-2022 Dodge Ram 2500, 3500, 4500 and 5500 trucks with the 6.7L Cummins turbo diesel. The bottom line: this replacement kit earns recommendation for anyone who needs a direct-fit, high-filtration water separator to protect fuel pumps and injectors. Its main selling point is a multi-layer filter media that separates water and captures 4 micron contaminants, so it addresses the most common causes of premature fuel-system wear.

Key Features

• High filtration: Double layer micro filter paper with Italy Ahlstrom 3-layer media traps contaminants down to 4 micron to protect injectors and pumps.
• Water separation: The outer layer is designed to separate water from diesel so moisture is removed before fuel reaches the engine.
• OEM fit: Direct replacement numbers matching factory parts ensure compatibility with 2019-2022 6.7L Cummins engines on Ram 2500-5500 models.
• Complete kit: Includes all required O-rings and seals for installation under the vehicle or near the firewall, reducing the need for extra parts.
• Durable construction: Corrosion-resistant housing and mechanical testing aim to meet or exceed OEM quality for long-term reliability.

Who It's For

This kit is best for Ram owners who run diesel in work or towing duty and want a cost-effective replacement that focuses on fuel-system protection and water separation. It suits technicians or DIYers comfortable installing an under-vehicle or engine-bay mounted filter using supplied O-rings.

Those who should look elsewhere include owners of non-6.7L Cummins Ram models or drivers seeking a filter with integrated sensor electronics or proprietary flow-optimization beyond the standard mechanical design; this is a direct replacement, not an electronic upgrade.

Pros & Cons

Pros

• High-efficiency multi-layer filter media captures water and 4 micron particles effectively.
• Fits 2019-2022 6.7L Cummins Ram 2500-5500 models with OEM replacement numbers for straightforward swap.
• Includes O-rings and sealing components, simplifying installation and reducing downtime.
• Mechanically tested and built with corrosion-resistant housing for durability in diesel environments.

Cons

• Not a performance upgrade with sensors or monitoring; it is a high-quality direct replacement rather than a smart filter.
• Source documentation does not include service interval guidance, so owners must follow vehicle manufacturer recommendations.

Specifications

Product type	Fuel filter water separator set
Engine compatibility	6.7L Cummins Turbo Diesel (2019-2022)
Vehicle models	Dodge Ram 2500, 3500, 4500, 5500
Filtration media	Italy Ahlstrom multi-layer synthetic fiber, 3 layers
Particle rating	Filters to 4 micron
Included parts	Filter assembly with O-rings and seals
Replaces	68157291AA, 68436631AA and other listed OEM numbers

Our Verdict

The Wisamic 6.7L Cummins fuel filter water separator set is a practical, value-minded replacement for owners of 2019-2022 Ram trucks with the 6.7L Cummins. It focuses on reliable water separation and fine particulate filtration using proven media and includes the necessary seals for a straightforward install, making it a sensible choice to protect fuel pumps and injectors without unnecessary extras.

Frequently Asked Questions

Will this fit my Ram 3500 2020 with the 6.7L Cummins?
Yes; the kit is listed as compatible with 2019-2022 Dodge Ram 2500, 3500, 4500 and 5500 models with the 6.7L Cummins engine.

Does the kit include O-rings for installation?
Yes; the fuel filter kit includes the required O-rings and seals to complete the replacement.

How fine is the filtration compared with OEM?
The filter uses Italy Ahlstrom 3-layer synthetic media and is rated to capture contaminants down to about 4 micron, matching the level expected for diesel fuel protection.