48-4391 vs 484391
How the 48-4391 (Zexel) relates to 484391 — Zexel base number for the YD22DDTi injector..
48-4391
Zexel · Solenoid · Distributor Pump / Direct Injection
Zexel 48-4391 (484391 / Z484391) injector for the Nissan 2.2 Di/dCi YD22DDTi in the Almera II, Almera Tino and Primera. Verify the injector setup in Nissan Consult on fitment. Remanufactured, calibrated, 12-month warranty. Key symptoms: Rough idle / vibration; Hard starting; Loss of power / limp mode; Black smoke. Common failure modes: Internal wear / high back-leakage; Nozzle coking / poor spray pattern; Water-in-fuel corrosion.