Delphi 28489562 Diesel Injector
2.0L · 28489562
Remanufactured Delphi 28489562 common-rail diesel injector for the GM 2.0 diesel family (Z20S, Z20D1, LNP — OE 25183185 / 25195088). Fits Vauxhall/Opel Antara 2.0 CDTi, Chevrolet Captiva, Cruze and Orlando 2.0 VCDi. Fully tested and calibrated to OEM specification with 12 months warranty.
3
Engine codes
6
OE / cross-refs
4
Vehicle fitments
12mo
Warranty
Common failure symptoms
On the 2.0L platform, a failing Delphi 28489562 injector typically presents as: hard starting or extended cranking; rough or uneven idle; loss of power under load; excess smoke from the exhaust; cylinder misfire or contribution fault codes.
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 back-leak beyond specification; nozzle wear degrading the spray pattern; combustion gas leaks past the injector seat washer.
Internal wear cannot be repaired in situ — once delivery drifts outside calibration, remanufacture or replacement is the reliable fix.
How Workshops Diagnose 28489562 Faults
Run a comparative leak-off (back-leak) test across all injectors before condemning a single unit. Compare requested vs actual rail pressure in live data at idle and under load. Inspect injector connectors and wiring before replacing hardware.
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 28489562 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 28489562 trusted family covers 4 verified vehicle fitments across 2 makes: Vauxhall and Chevrolet. Every fitment listed on this page is registry-verified — no scraped or assumed applications.
OE & Cross-References
28489562 supersedes or cross-references 5 further OE numbers, including 25183185, 25195088, 28264952, 28525582 and HRD353. 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.
Related fault codes & engine guides
Trusted compatibility
Vehicle fitments
| Make | Model | Engine | Years |
|---|---|---|---|
| Chevrolet | Captiva (C100) | 2.0 VCDi (Z20S) | 2006–2011 |
| Chevrolet | Cruze (J300) | 2.0 VCDi (Z20D1/LNP) | 2011–2015 |
| Chevrolet | Orlando (J309) | 2.0 VCDi (Z20D1/LNP) | 2011–2015 |
| Vauxhall | Antara | 2.0 CDTi (Z20S/Z20DM) | 2006–2011 |
Confirm fitment by registration
Enter your UK registration to verify your vehicle is in this trusted family. We'll cross-check the engine code against Z20S / Z20D1 / LNP.
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Frequently asked
Related engine guides
Other Delphi and same-platform injector families worth checking.
All cross-references in this family
Every reference below resolves to a PDP linked to this trusted family. 28489562, 25183185, 25195088, 28264952, 28525582, HRD353.
Delphi know-how from the Knowledge Centre
Identification, coding, fitting and the mistakes that cause comebacks.