28565336 vs 04L130277AN
How the 28565336 (Delphi) relates to 04L130277AN — Primary VAG OE reference..
28565336
Delphi · Solenoid · Common Rail
Delphi solenoid common-rail injector for the VW Group EA288 TDI engine, primarily the 1.6 TDI (and shared 2.0 TDI variants) across VW, Audi, Seat and Skoda. VAG OE 04L130277AN and 04L130277BD. Replacements are coded to the ECU with the injector IMA 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.