0445110470 vs 0986435257
How the 0445110470 (Bosch) relates to 0986435257 — Bosch exchange/equivalent number..
0445110470
Bosch · Solenoid · Common Rail
Bosch solenoid common-rail injector for the VW Group 2.0 TDI EA288 engine across VW, Audi, Seat and Skoda. Bosch exchange 0986435257; VAG OE 04L130277AE/04L130277K. Closely interchanges with 0445110471 - confirm the full OE suffix and engine code before fitting. Replacements must be coded to the ECU with the injector IMA/IQA correction value. Failures are driven by poor fuel filtration, contamination and back-leakage. Key symptoms: Rough idle / vibration; Hard starting; Loss of power / limp mode; Black smoke. Common failure modes: Internal wear / high back-leakage; Water-in-fuel corrosion; Nozzle coking.