Volvo E3.3 Series Common Rail Diesel Fuel Injector 21457950 , High-Pressure Injector compatible for Volvo D11 Engines in Trucks and Industrial EquipmentThe Volvo E3. 3 21457950 diesel fuel injector is a high pressure, electronically controlled common rail injector developed for Volvo D11 diesel engines, commonly found in heavy duty trucks and off road machinery. Part of the Delphi E3. 3 injector family, this injector ensures precise fuel injection for optimized engine performance, fuel economy, and compliance with Euro V and early Euro VI emissions standards. Equivalent OEM Codes: Volvo: 21457950