Bosch 0445110251 Diesel Injector
2.4L D5244T Volvo D5 · 0445110251
2.4L D5244T Volvo D5 Remanufactured Common Rail Injector
6
Engine codes
7
OE / cross-refs
9
Vehicle fitments
12mo
Warranty
Common failure symptoms
On the 2.4L D5244T Volvo D5 platform, a failing Bosch 0445110251 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 0445110251 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 0445110251 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 0445110251 trusted family covers 9 verified vehicle fitments across 1 make: Volvo. Every fitment listed on this page is registry-verified — no scraped or assumed applications.
OE & Cross-References
0445110251 supersedes or cross-references 6 further OE numbers, including 0986435125, 8603595, 30637375, 30731567, 30750282 and 30750283. 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 |
|---|---|---|---|
| Volvo | S40 II | 2.4 D D5244T9 | 2006-2010 |
| Volvo | S80 II | 2.4 D D5244T4/T5 | 2006-2009 |
| Volvo | XC90 I | 2.4 D D5244T4 | 2005-2015 |
| Volvo | XC70 I | 2.4 D5 D5244T4 | 2005-2007 |
| Volvo | V70 II | 2.4 D D5244T4/T6/T7 | 2006-2007 |
| Volvo | V50 | 2.4 D5 D5244T9/T13 | 2006-2010 |
| Volvo | S60 I | 2.4 D D5244T5 | 2005-2009 |
| Volvo | C70 II | 2.4 D D5244T9 | 2006-2010 |
| Volvo | C30 | 2.4 D D5244T9 | 2006-2010 |
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 D5244T4 / D5244T5 / D5244T6 and the rest of the cluster.
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Frequently asked
Related engine guides
Other Bosch 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. 0445110251, 0986435125, 8603595, 30637375, 30731567, 30750282, 30750283.
Bosch know-how from the Knowledge Centre
Identification, coding, fitting and the mistakes that cause comebacks.