Volvo E3.4 Series Common Rail Diesel Fuel Injector 21446260 , High-Pressure Injector compatible for Volvo D13 Engines in Heavy-Duty Trucks and Construction Equipment

The Volvo E3.4 21446260 diesel injector is a high-performance, electronically controlled common rail injector designed for use in Volvo D13-series diesel engines, widely used in on-road trucks and off-road industrial machinery. As part of the Delphi E3.4 injector family, it ensures precise fuel injection under high pressure, enhancing engine performance, fuel economy, and emissions compliance.

Equivalent / OEM Codes:

• Volvo: 21446260

• Additional references: 21424681, 21467241, 21340611 (depending on ECU and calibration)

• Injector platform: Delphi E3.4 high-pressure common rail system

Engine Compatibility:

• Volvo D13A, D13B, D13C 12.8L diesel engines

• Used in Euro V and early Euro VI emission-compliant applications

• Compatible with both on-highway and industrial/off-road engine variants

Compatible Equipment (examples):

• Volvo FH, FM, FMX heavy-duty trucks with D13 engines

• Volvo CE construction equipment, such as large excavators, wheel loaders, articulated haulers

• Industrial power units and generators using Volvo Penta D13 variants

• Other OEM machines powered by Volvo D13 platforms in agriculture, transport, or infrastructure

Technical Notes:
The 21446260 injector features electronically controlled high-pressure fuel delivery for accurate combustion and reduced emissions. It plays a key role in engine responsiveness and operational efficiency, especially under heavy-load conditions. ECU coding and injector calibration are required upon installation, using Volvo Tech Tool (VCADS Pro) or compatible diagnostic software.