Bosch 0445110280 Diesel Injector
1.9L dCi · 0445110280
1.9L dCi Remanufactured Common Rail Injector (Renault Megane/Scenic F9Q)
2
Engine codes
4
OE / cross-refs
3
Vehicle fitments
12mo
Warranty
Common failure symptoms
On the 1.9L dCi platform, a failing Bosch 0445110280 injector typically presents as: hard starting or extended cranking; rough idle and hesitation; loss of power / limp mode; black smoke under acceleration; random misfire entries.
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 causing rail-pressure loss; nozzle wear causing over-fuelling and smoke; fuel contamination damage following hp pump wear.
Internal wear cannot be repaired in situ — once delivery drifts outside calibration, remanufacture or replacement is the reliable fix.
How Workshops Diagnose 0445110280 Faults
Run a leak-off comparison across all four injectors before condemning one. If the HP pump has failed, flush the complete fuel system before fitting replacement injectors. Replace the fuel filter and bleed the system fully after any injector work.
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 0445110280 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 0445110280 trusted family covers 3 verified vehicle fitments across 1 make: Renault. Every fitment listed on this page is registry-verified — no scraped or assumed applications.
OE & Cross-References
0445110280 supersedes or cross-references 3 further OE numbers, including 0986435192, 8200535108 and 8200606383. 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
OE / cross-references (3)
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 F9Q816 / F9Q818.
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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. 0445110280, 0986435192, 8200535108, 8200606383.
Bosch know-how from the Knowledge Centre
Identification, coding, fitting and the mistakes that cause comebacks.