Fuel Injector Compatible for Delphi E1 Series Common Rail Diesel Fuel Injector 21586290 , High-Pressure Injector compatible for Volvo Industrial Engines and Heavy-Duty Equipment

The Delphi E1 21586290 diesel injector is a high-pressure, electronically controlled common rail injector, developed for Volvo industrial and off-highway diesel engines. As part of the Delphi E1 injector platform, it delivers precise fuel dosing under extreme operating conditions, ensuring optimal engine performance, emissions compliance, and durability in heavy-duty applications such as construction equipment, power generation, and transport machinery.

Equivalent / OEM Codes:

• Delphi: E1 21586290

• Volvo OEM: 21586290

• Related/compatible numbers (based on ECU & calibration): may include 3803637, 3829087 (confirm via engine serial or software)

Engine Compatibility:

• Volvo 6-cylinder diesel engines in industrial or construction applications

• Commonly found in Volvo CE (Construction Equipment) platforms and Volvo Penta industrial engines

• Emission compliance: Tier 3 / Euro III and Euro IV (depending on engine version and year)

Compatible Equipment (examples):

• Volvo wheel loaders, articulated haulers, and excavators

• Volvo Penta industrial gensets, pumps, and stationary engines

• OEM machinery powered by Volvo industrial diesel engines with Delphi E1 injection systems

Technical Notes:
The 21586290 injector, part of the Delphi E1 high-pressure common rail system, ensures efficient combustion, reduced fuel consumption, and lower emissions. Installation requires injector coding and ECU synchronization using Volvo Tech Tool (VCADS Pro) or other approved diagnostics. High-quality fuel and regular system maintenance are recommended for longevity and performance.