0445110327 — Frequently Asked Questions
Verified answers about the Bosch 0445110327 2.0 CDTi (A20DT) Common Rail Injector (Vauxhall/Opel/Saab/Chevrolet).
What is Bosch injector 0445110327?
A Bosch solenoid common-rail diesel injector for the GM 2.0 CDTi (A20DT/A20DTH/A20DTJ) engine. Bosch exchange 0986435201; GM OE 55566050/55496735.
Which vehicles use 0445110327?
Vauxhall/Opel Insignia A, Astra J/GTC, Zafira C and Cascada 2.0 CDTi, plus Saab 9-5 2.0 TiD (A20DTH).
Is it solenoid or piezo?
It is a Bosch solenoid common-rail injector.
Does 0445110327 need coding?
Yes - code the injector correction value to the correct cylinder with GM MDI/Tech2 when fitting.
What are the OE part numbers?
GM/Vauxhall 55566050 and 55496735 reference Bosch 0445110327; the Bosch exchange number is 0986435201.
Does it fit all 2.0 CDTi power outputs?
The A20DT/A20DTH/A20DTJ share the injector, but always confirm the OE number and engine code for the exact variant.
What are the symptoms of failure?
Rough idle, vibration, hard starting, black smoke, power loss/limp mode and an EML.
Why does my 2.0 CDTi run rough?
A worn or leaking injector unbalances fuelling; read live back-leakage data and bench-test the weak cylinder.
What causes these injectors to fail?
Poor fuel filtration, contamination and back-leakage wear - fix the cause first.
Does a remanufactured 0445110327 perform like new?
A properly remanufactured injector is bench-tested and recalibrated to the Bosch plan, then coded on fitment.