0445110279 — Frequently Asked Questions
Verified answers about the Bosch 0445110279 Hyundai/Kia 2.5 CRDi D4CB Common Rail Injector.
What is Bosch injector 0445110279?
A Bosch CRI2 solenoid common-rail diesel injector for the Hyundai/Kia 2.5 CRDi D4CB engine. Hyundai/Kia OE 33800-4A000 (supersessions 33800-4A100/4A150/4A160/4A170).
Which vehicles use 0445110279?
Hyundai H-1 / iLoad / i800 / Starex, Hyundai Terracan and Kia Sorento I (BL) with the 2.5 CRDi D4CB engine.
Is it solenoid or piezo?
It is a Bosch CRI2 solenoid common-rail injector.
What is the Hyundai/Kia OE number for 0445110279?
33800-4A000, with supersessions 33800-4A100 / 4A150 / 4A160 / 4A170. Always confirm the number stamped on your original injector before ordering.
What are the symptoms of a failing 0445110279?
Hard starting, rough idle and vibration, loss of power or limp mode, black smoke, diesel knock and higher fuel consumption.
Why does my Hyundai H-1 2.5 CRDi knock or rattle?
A leaking injector causes a top-end knock on the D4CB that is often most obvious at idle. Bench-test to confirm the faulty cylinder before replacing.
What causes these injectors to fail?
Fuel contamination, water in the fuel, nozzle coking and high-mileage internal wear that raises back-leakage - fix the cause, not just the injector.
Do I need to code the injector to the ECU?
Yes. Each Bosch injector has an individual IMA correction code that must be written into the ECU with a Hyundai/Kia GDS tool after fitting, or the engine runs on default trim and may log cylinder-balance faults.
Is 0445110279 the same as the 2.2 CRDi injector?
No. 0445110279 is the 2.5 D4CB injector; the 2.2 CRDi D4HB/D4EB use different injectors (33800-2F610 / 33800-27800). They are not interchangeable - match the stamped number.
Is 0445110279 the same as the 1.5 or 1.4 CRDi injector?
No. The 1.5 CRDi D4FA (0445110255) and 1.4 CRDi D4FC (DFIR00203D) use different injectors. The 2.5 D4CB uses 0445110279 - confirm the stamped number.
Should I replace one or all four?
Diagnose each with live correction and back-leakage values; on high-mileage D4CB engines failures often cluster, so check all four before deciding.
Does a remanufactured 0445110279 perform like new?
A properly remanufactured injector is bench-tested and recalibrated to the Bosch plan to meet original delivery and back-leakage specifications.