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Fuel Filter and Water Separator Kit
Both filters, both O-rings, and the drain seal — everything the 6.7L fuel service actually requires.
$94.00
Details6.7L Cummins · 2013–2024 · Complete service kit
Free shipping on orders over $199 — lower 48
Fuel delivery is where a build either holds together or starts costing money. We match injector bodies, pump capacity, and filtration to the tune that is actually on the truck — not to the biggest number on a spec sheet.
We specialize in RAM 2500 / 3500 / 4500 / 5500 with 5.9L and 6.7L Cummins.
16 products matching
Both filters, both O-rings, and the drain seal — everything the 6.7L fuel service actually requires.
6.7L Cummins · 2013–2024 · Complete service kit
Constant fuel pressure, real filtration, and the single best reliability upgrade on a common-rail Cummins.
2 flow rate options
Lift pump and filtration system · 100 or 165 GPH
Genuine Bosch remanufactured injectors, tested and matched as a set — not six boxes that happen to arrive together.
5.9L Cummins · 2003–2007 · Set of 6
Flow-matched nozzle sets for 6.7L Cummins injectors, from a clean stock-plus refresh to a 200% over race build.
8 size over stock options
Set of 6 · 30% to 200% over · 2007.5–2018 6.7L
A service replacement for the CP3 fuel control valve that restores rail pressure control.
CP3 fuel control valve · 6.7L Cummins and 6.6L Duramax
A cheap fix for a specific 6.7L annoyance — crankcase vapors dripping onto the injection pump area.
Prevents the dripping that shorts the grid heater relay
A machined block-off plate for trucks running aftermarket filtration, so the factory housing comes out cleanly.
2 application options
Cleanly removes the factory filter when a FASS or AirDog system is fitted
The correct replacement filters for your FASS system, in single or fleet quantities.
3 pack options
Service filters for FASS systems
Fixes the gauge accuracy problems that show up after installing a high-volume lift pump.
2 application options
Accurate fuel level with an aftermarket lift pump
The No-Drop kit mounts without dropping the fuel tank and scales all the way to a 1500 horsepower build.
4 power tier options
Direct-fit lift pump · Stock to 1500 HP tiers
In-tank pump assembly that solves the 2011+ low-pressure issue without adding a frame-mounted pump.
In-tank assembly · 2011–2024 Cummins
The No-Drop Plus adds filtration capacity and flow headroom over the standard series for trucks that work hard.
4 flow rate options
165–290 GPH lift pump · No tank drop
Removes entrained air from diesel before it reaches the injection pump — the fix for a truck that runs rough under load.
165 GPH air separation and filtration
The CP3 that serious Cummins builds run. Choose the tier by your injector size and power target.
3 pump tier options
SuperSport, 10mm, or 12mm · 2003–2018 Cummins
Remanufactured CP3 with a new pump head and tested pressure curve — the quiet fix for low rail pressure.
5.9L / 6.7L Cummins · Remanufactured stock replacement
The 6.7L needs matched delivery more than any Cummins before it. This is the set we install in the shop.
6.7L Cummins · 2007.5–2012 · Set of 6
