Description
FF63017NN Fuel Filter for Nissan Titan XD 5.0L V8 Cummins Diesel
The FF63017NN fuel filter is the engine-mounted secondary filter for the 2016-2019 Nissan Titan XD with 5.0L V8 Cummins ISV diesel. 7-micron filtration protects the Bosch CP4.2 high-pressure fuel pump. Replaces 16403EZ41A, 4335493, and 4378483.
Key Features
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7 Micron Final Filtration: Ultra-fine filtration for the Bosch CP4.2 injection pump — one of the most contamination-sensitive pumps in the diesel industry.
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Titan XD Specific: Engineered for the low-production Cummins ISV 5.0L V8 — not a generic filter adapted to fit.
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OEM Cross Reference: Replaces Nissan 16403EZ41A, Cummins 4335493, and 4378483 — exact dimensional and performance match.
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IATF 16949 Certified: Full automotive quality traceability for every production batch.
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Top-Side Access: Located on top of engine for easy service — no lift required.
Technical Specifications
| Specification |
Value |
| Part Number |
FF63017NN |
| OEM Numbers |
16403EZ41A, 4335493, 4378483 |
| Filtration |
7 Micron Nominal |
| Position |
Engine-Mounted Secondary Filter |
| Engine |
Cummins ISV 5.0L V8 Turbo Diesel |
Vehicle & Engine Compatibility
| Year |
Make |
Model |
Engine |
| 2016-2019 |
Nissan |
Titan XD |
Cummins ISV 5.0L V8 |
Why Choose This Product?
The ISV 5.0L's CP4.2 pump tolerates almost zero contamination. Metal-on-metal contact from debris-laden fuel creates metal shavings that destroy injectors. The FF63017NN's 7-micron filtration is the final barrier — don't compromise on quality here.
Installation Notes
- Located on top of engine, driver's side, under engine cover
- Replace together with frame-mounted FS53029NN water separator
- Prime by cycling ignition ON 5-7 times before starting
Frequently Asked Questions
Q: How often should this filter be replaced?
A: Nissan recommends every 15,000 miles. Given CP4.2 sensitivity, many owners replace at 10,000-12,000 miles for extra insurance.
Q: Can I replace just this filter without the water separator?
A: Strongly recommended to replace both FF63017NN (engine) and FS53029NN (frame) together. A new secondary filter is pointless if the primary is loaded with contaminants.
Q: Why 7 microns instead of 10?
A: The CP4.2 pump requires finer filtration than older CP3 pumps. 7 microns provides the extra protection margin for this pump design.
Q: Is this hard to change on a Titan XD?
A: No. Access from top of engine bay under the plastic cover. Basic hand tools, 15-20 minutes. No lift required.
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