DCRI300770 vs 55570012
How the DCRI300770 (Denso) relates to 55570012 — GM/Vauxhall OE reference..
DCRI300770
Denso · Solenoid · Common Rail
Denso common-rail injector for the GM/Opel 1.6 CDTI 'Whisper Diesel' (engine B16DTH/B16DTN) fitted to the Astra J/K, Zafira Tourer C and Mokka/Mokka X. GM OE 55570012 (cross 95521531 / 821035; Denso 295050-0770). The injector code must be written to the ECU with GM MDI on fitment. Failures are driven by poor fuel filtration, contamination and back-leakage wear. 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.