Fuel Injector Compatible for Delphi E1 Series Common Rail Diesel Fuel Injector 03801403 , High-Pressure Injector compatible for Volvo Off-Highway and Industrial Diesel Engines

The Delphi E1 03801403 diesel injector is a high-precision, high-pressure common rail fuel injector, developed for use in Volvo industrial and construction diesel engines. Part of the Delphi E1 injector family, this model is designed to ensure accurate fuel delivery, optimal combustion, and long-term reliability in harsh working environments such as those found in construction, mining, power generation, and transport equipment.

Equivalent / OEM Codes:

• Delphi: E1 03801403

• Volvo OEM: 03801403

• Other internal references (verify with engine serial number): may align with 21586290, 3829087 (depending on ECU mapping)

Engine Compatibility:

• Select Volvo 6-cylinder diesel engines in industrial and off-road configurations

• Common in Volvo CE (Construction Equipment) and Volvo Penta industrial engines

• Typically found in Tier 2 / Tier 3 emission-compliant platforms

Compatible Equipment (examples):

• Volvo articulated haulers, loaders, and excavators

• Stationary engines used in generators, pumps, and compressors

• Volvo Penta industrial power units

• OEM machinery powered by Volvo industrial engines using Delphi E1 systems

Technical Notes:
The 03801403 injector, part of Delphi’s E1 high-pressure common rail system, delivers high atomization quality, improved engine responsiveness, and reduced fuel consumption. It must be coded and calibrated using Volvo Tech Tool (VCADS Pro) or equivalent diagnostic tools to ensure full compatibility with the engine ECU and optimal performance.