Description
FF63017NN & FS53029NN Fuel Filter Combo for Nissan Titan XD 5.0L Cummins
Complete fuel filter kit for the 2016-2019 Nissan Titan XD with 5.0L V8 Cummins ISV diesel. Includes FF63017NN fuel filter (replaces 16403EZ41A) and FS53029NN fuel water separator (replaces 16403EZ40A). Both designed to OEM specifications for this specific Cummins-Nissan application.
Key Features
-
Complete Titan XD Filter Kit: Both filters in one order — the engine-mounted FF63017NN and frame-mounted FS53029NN water separator.
-
FF63017NN Fuel Filter: 7-micron high-efficiency filtration — protects the ISV 5.0L's Bosch CP4.2 high-pressure pump.
-
FS53029NN Water Separator: Primary filtration with water coalescing media — first line of defense on the frame rail.
-
OEM-Spec Fit: Exact replacement for Nissan 16403EZ41A and 16403EZ40A — no modifications or adapters.
-
IATF 16949 Certified: Full automotive quality traceability with 100% end-of-line testing.
Technical Specifications
| Specification |
Value |
| Fuel Filter |
FF63017NN / 16403EZ41A — 7 Micron |
| Water Separator |
FS53029NN / 16403EZ40A — Primary Stage |
| Engine |
Cummins ISV 5.0L V8 Turbo Diesel |
| Vehicle |
2016-2019 Nissan Titan XD |
| OE Numbers |
16403EZ41A, 16403EZ40A, 4335493, 4378483 |
Vehicle & Engine Compatibility
| Year |
Make |
Model |
Engine |
| 2016-2019 |
Nissan |
Titan XD |
Cummins ISV 5.0L V8 Turbo Diesel |
Why Choose This Product?
The Titan XD 5.0L Cummins has two fuel filters — the frame-mounted water separator (FS53029NN) and engine-mounted fuel filter (FF63017NN). Both must be replaced together every 15,000 miles. Neglecting either risks CP4.2 pump failure — a $5,000+ repair on this low-production application.
Installation Notes
- Frame-mounted filter: under driver's side, ahead of rear wheel
- Engine-mounted filter: top of engine, driver's side, under plastic cover
- Prime by cycling ignition ON (not start) 5-7 times
- Always replace both filters as a set
Frequently Asked Questions
Q: Do I need both filters or just one?
A: ALWAYS replace both. The Titan XD has a two-stage system: frame-mounted FS53029NN (water separator) and engine-mounted FF63017NN (final filter). Replacing only one leaves the other as a contamination risk.
Q: Where is each filter located?
A: FS53029NN water separator: frame rail under driver's side ahead of rear wheel. FF63017NN fuel filter: top of engine, driver's side, under engine cover.
Q: How do I prime after replacing both filters?
A: Cycle ignition to ON (not start) 5-7 times. The in-tank lift pump runs ~20 seconds per cycle to purge air. Start and check for diesel leaks.
Q: What happens if I skip a filter change?
A: The CP4.2 high-pressure pump is extremely sensitive to fuel contamination. A restricted filter can cause pump cavitation and metal debris — requiring complete fuel system replacement ($5,000+).
Order your iFJF replacement part today and experience the quality difference. Fast shipping from our US warehouse.
