Description
Product Overview
The 68197867AA Fuel Water Separator Filter is the primary frame-rail mounted diesel fuel filter for 2013-2018 Ram 2500/3500/4500/5500 trucks with the 6.7L Cummins turbo diesel. Located on the driver's side frame rail, this filter is the first line of defense for your CP4.2 high-pressure fuel pump — capturing water, dirt, and debris before they damage expensive injection system components.
Compatibility
| Year |
Make |
Model |
Engine |
| 2013-2018 |
Ram |
2500 |
6.7L Cummins Diesel |
| 2013-2018 |
Ram |
3500 |
6.7L Cummins Diesel |
| 2013-2018 |
Ram |
4500 |
6.7L Cummins Diesel |
| 2013-2018 |
Ram |
5500 |
6.7L Cummins Diesel |
Specifications
| Spec |
Detail |
| Mopar OE |
68197867AA, 68197867AB |
| Cross Ref |
FS20089, BF46031, P551833, FF1279, LFF5106, PS11937, WF10112 |
| Filter Type |
Primary Fuel/Water Separator (Frame-Mounted) |
| Filtration |
10 Micron Nominal |
Key Features
-
OEM-Grade Filtration: Engineered to meet or exceed Mopar 68197867AA specifications for fit, form, and function.
-
Water Separation: Proprietary media blend separates free and emulsified water from diesel — critical for CP4.2 pump protection.
-
Complete Kit: Includes both housing O-rings for a proper seal during replacement.
-
10-Micron Rating: Captures harmful particulate while maintaining fuel flow for full engine power.
Why Choose iFJF
The CP4.2 injection pump is extremely sensitive to fuel contamination. A failed fuel filter can lead to a $8,000-12,000 repair. iFJF's 68197867AA filter provides OEM-equivalent protection at a lower cost. Every batch is tested for filtration efficiency and water separation performance.
Frequently Asked Questions
Q: Where is this filter located on my Ram?
A: Driver's side frame rail, approximately under the driver's door. Your truck also has a secondary filter under the hood.
Q: How often should I replace it?
A: Every 15,000 miles or 12 months. Every 10,000 miles if towing heavy or fueling at questionable stations.
Q: Does this include O-rings?
A: Yes — 2 new O-rings for the housing seal, critical for preventing air intrusion.
Q: 68197867AA vs 68197867AB?
A: Functionally identical and interchangeable. This filter replaces both.
