Description
68157291AA and 68436631AA Fuel Filter Kit — 2019-2020 Ram 6.7L Cummins
Service your 5th-gen Ram HD's fuel system the right way with the iFJF 68157291AA and 68436631AA Complete Fuel Filter Kit. This two-filter kit covers both the front chassis-mounted filter and the rear engine bay filter—everything for a full fuel system service in one box.
Designed for 2019-2020 Ram 2500/3500 with 6.7L Cummins. Also replaces Mopar 68065608AA and Fleetguard PF46152.
Key Features
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Complete Two-Filter Kit: Both 68157291AA (front chassis) and 68436631AA (rear engine bay) included
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3-Micron Absolute Filtration: Protects CP4.2 high-pressure fuel pump from catastrophic contamination failure
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Water Separation: Front filter strips moisture from diesel to prevent injector corrosion
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OEM-Dimension Seals: Factory-spec O-ring geometry ensures leak-free installation
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Bulk Kit Savings: Both filters together save vs buying individually
Compatibility
| Vehicle |
Engine |
Years |
| Ram 2500 |
6.7L Cummins Turbo Diesel |
2019-2020 |
| Ram 3500 |
6.7L Cummins Turbo Diesel |
2019-2020 |
| Ram 4500/5500 |
6.7L Cummins Turbo Diesel |
2019-2020 |
Specifications
| Specification |
Detail |
| Part Number |
68157291AA + 68436631AA / FJ-31AA-91AA |
| Front Filter |
68157291AA — 3 Micron, Water Separating |
| Rear Filter |
68436631AA — 3 Micron |
CP4.2 Protection Critical
The Bosch CP4.2 pump operates at 29,000 PSI with micron-level clearances. Contaminated fuel can cause self-destruction, sending metal debris through the entire fuel system—a repair exceeding $10,000. Regular filter changes at 15,000-mile intervals are your best defense.
Frequently Asked Questions
Q: Does this kit include both filters?
A: Yes. Both 68157291AA (front chassis) AND 68436631AA (rear engine bay) are included.
Q: Which filter goes where?
A: 68157291AA is the larger canister under the driver-side frame rail. 68436631AA is the cartridge in the passenger-side engine bay.
Q: Work on 2021 Ram?
A: No. 2021+ uses a different fuel filter system. This kit is for 2019-2020 models only.
Q: Change interval?
A: Every 15,000 miles or 12 months. Heavy towing or commercial use: every 10,000 miles.
Q: Genuine Mopar?
A: Premium aftermarket manufactured in ISO 9001 facilities to meet or exceed Mopar specs at significant savings.
