Which engines use the DENSO 095000-5504 injector?

095000-5504 is verified for the 4.8L platform, covering engine codes 4HL1 and 6HL1. Confirm the engine code on your V5C before ordering.

Which vehicles does 095000-5504 fit?

This family has 2 verified fitments across Isuzu — the full registry-verified list is on this page.

My injector is etched with a different number — is it the same part?

095000-5504 cross-references 095000-5500, 095000-5501, 095000-5502, 095000-5503, 0950005500 and 0950005501 among others. If your etched number appears in this family's reference list it is a verified equivalent; if not, send us a photo of the etching and we will confirm before you order.

Do I need to code the replacement injector to the ECU?

Yes on common-rail diesels. Every injector ships with an individual calibration code that must be written to the ECU after fitting, following the manufacturer procedure — without it the engine runs on default trims and can log cylinder-balance faults.

How is each injector tested before despatch?

Every unit is bench-calibrated against the manufacturer specification — delivery, back-leak and response verified — and despatched with a 12-month parts warranty and its calibration data retained on file.

Trusted FamilyDensoRemanufactured

Denso 095000-5504 Diesel Injector

Name: DENSO 095000-5504 Remanufactured Diesel Injector
Brand: DENSO
SKU: 095000-5504
Price: 300.00 GBP
Availability: InStock

4.8L · 095000-5504

Remanufactured DENSO 095000-5504 (family 095000-5500 / -5501 / -5502 / -5503 / -5504) heavy-duty common-rail diesel injector for Isuzu 4HL1 and 6HL1 engines (OE 8-97367552-0 to -5). Fits Isuzu N-Series trucks (NPR / NQR / NKR / NHR) with the 4HL1 4.8 diesel and Isuzu trucks with the 6HL1 7.2 diesel, approx. 2003–2007 (Euro 3). Note: 095000-5362 / -5353 / -5344 (8-97602485 block, 4HK1/6HK1) and 095000-5010 / -5001 (8-97306071 block) are DIFFERENT injector families and are not covered by this unit. Fully tested and calibrated to OEM specification with 12 months warranty.

Engine codes

OE / cross-refs

Vehicle fitments

12mo

Warranty

Common failure symptoms

On the 4.8L platform, a failing DENSO 095000-5504 injector typically presents as: hard starting; white smoke on cold start; power loss under load; diesel knock; poor fuel economy on fleet duty cycles.

When two or more of these appear together, suspect the injector before peripheral systems — a comparative leak-off test and live-data cylinder-balance review will isolate the failed unit without tear-down.

When two or more symptoms appear together, suspect the injector before peripherals (EGR, glow plugs, turbo). A live-data leak-off test on each cylinder is the fastest route to the failed unit.

What Causes These Injectors To Fail

The documented failure modes on this platform are: injector leak-back rising with high-mileage wear; nozzle wear causing over-fuelling under load; combustion gas leaks past the injector seat on hard-worked engines.

Internal wear cannot be repaired in situ — once delivery drifts outside calibration, remanufacture or replacement is the reliable fix.

How Workshops Diagnose 095000-5504 Faults

Run comparative leak-off tests across all injectors before condemning — commercial duty cycles wear sets unevenly. Clean injector seats and fit new washers on every removal. Denso injectors carry compensation data — follow the manufacturer registration procedure after fitting.

Never condemn a common-rail injector on a fault code alone — codes identify the circuit or cylinder, while leak-off volumes and correction values identify the component.

How Every Unit Is Tested Before Despatch

Each remanufactured 095000-5504 is fully stripped, ultrasonically cleaned and inspected; worn components are replaced with OE-grade parts. The rebuilt unit is then calibrated on a common-rail test bench against the manufacturer's specification sheet — delivery, back-leak and response are all verified before the injector is sealed and despatched with its calibration data on file.

Every unit carries a 12-month parts warranty and free UK delivery.

Vehicle Coverage At A Glance

The 095000-5504 trusted family covers 2 verified vehicle fitments across 1 make: Isuzu. Every fitment listed on this page is registry-verified — no scraped or assumed applications.

OE & Cross-References

095000-5504 supersedes or cross-references 15 further OE numbers, including 095000-5500, 095000-5501, 095000-5502, 095000-5503, 0950005500, 0950005501, 0950005502 and 0950005503. Always match the reference etched on your failed unit's body — cross-references within a family are verified equivalents, but etched numbers remain the source of truth.