Common Rail Fuel Injector 21586290 (Delphi Ref.) for Volvo

The 21586290 is a diesel fuel injector for Volvo engines. It restores correct fuel delivery and spray pattern, which means easier starting, a stable idle, full power and lower fuel consumption.

Specifications

• Part number: 21586290
• Injector reference: Delphi 21586290
• Engine make: Volvo
• Warranty: 12 months

Compatible Machines and Applications

• s 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.

Installation Advice

For the best engine performance we recommend replacing the complete set of injectors at the same time. New and worn injectors deliver fuel differently, and mixing them can cause uneven running. Please compare the part number on your old injector before ordering.

Warranty and Shipping

Every injector from InjectorHub comes with a 12-month warranty and fast worldwide shipping. Not sure it is the right part? Send us the code from your old injector or your engine serial number and we will confirm compatibility.