0445110546 — Frequently Asked Questions
Verified answers about the Bosch 0445110546 1.6 dCi (R9M) Common Rail Injector (Renault/Nissan/Mercedes).
What is Bosch injector 0445110546?
A Bosch solenoid common-rail diesel injector for the Renault-Nissan 1.6 dCi (R9M / Energy dCi) engine. Renault OE 166007885R.
Which vehicles use 0445110546?
Renault Megane IV/Scenic IV/Kadjar/Trafic III, Nissan Qashqai J11/X-Trail T32 and Mercedes Citan 1.6 dCi (R9M).
Is it solenoid or piezo?
It is a Bosch solenoid common-rail injector.
Does 0445110546 need coding?
Yes - code the injector classification (C2I) code to the correct cylinder with CLIP/diagnostic when fitting.
What is the OE part number?
Renault 166007885R references Bosch 0445110546; 166009489R is a related alternate.
Does it fit the twin-turbo Trafic 1.6 dCi?
The R9M 450 twin-turbo shares the injector body, but always confirm the OE number and classification for the exact power variant.
What are the symptoms of failure?
Rough idle, vibration, hard starting, black smoke, power loss/limp mode and an EML.
Why does my 1.6 dCi run rough?
A worn or leaking injector unbalances fuelling; read live cylinder-balance data and bench-test the suspect cylinder.
What causes these injectors to fail?
Poor fuel filtration, contamination and back-leakage wear - fix the cause first.
Does a remanufactured 0445110546 perform like new?
A properly remanufactured injector is bench-tested and recalibrated to the Bosch plan, then C2I-coded on fitment.