Injectors and high-pressure fuel pumps in Volvo trucks: efficiency and reliability

04/09/2025

The high performance of Volvo trucks is based on a combination of modern engines and a reliable fuel system.

Volvo Trucks — one of the world's leading manufacturers of heavy and cargo equipment, known for its reliability, innovation, and high safety standards.

Volvo offers a wide range of tractors and dump trucks for transporting goods in a variety of conditions.

Volvo trucks are known worldwide for their durability, high build quality and advanced diesel technology.

Volvo Trucks uses a series of powerful engines for its trucks:

the Volvo D11 series, which includes engines: D11A, D11B, D11C, D11K, D11S,
Volvo D12 series with engines D12A, D12C, D12D, D12F),
Volvo D13 series: D13A, D13B, D13C, D13K, D13S and
as well as the Volvo D16 series (D16A, D16B, D16C, D16E, D16G, D16K )
and Volvo D17

These engines are installed in Volvo tractors

Volvo Aero: Aero 500, Aero 460, Aero 650, Aero 750 models
Volvo FH: models FH460, FH500, FH540
Volvo FMX: models FMX420, FMX460, FMX500
Volvo FM: models FM420, FM460, FM500
Volvo FE: models FE 250, FE 280, FE 320
Volvo VM: VM 4×2 / 6×2, VM 6×4, VM Tractor models
Volvo VNL: models VNL 300, VNL 430, VNL 630
Volvo VNR: VNR 300, VNR 400, VNR 640 models
Volvo VNX: VNX 300, VNX 400, VNX 740 models
Volvo VHD: VHD 300, VHD 400 models
Volvo VAH: VAH 300, VAH 400, VAH 600 models

As for the fuel system, the engine seriesVolvo D11, D13 and D16 after 2017 are equipped with a Common Rail fuel system, which has its own characteristics:

high accuracy of fuel dosing and independence of injection pressure from engine speed
high fuel injection pressure (up to 2000 bar and more), which ensures better fuel atomization and more complete combustion
reduced fuel consumption, thanks to precise dosing and multi-phase injection
significant reduction in engine noise and improved engine dynamics - thanks to the fuel system's quick response to load changes.

As for fuel injectors, for the Volvo D11, D13 and D16 engines, different injector suppliers may be used, but Delphi always remains the key supplier.

Delphi injectors with catalog number EX631028 are designed for Volvo D11F, D13F, D16F and Volvo Mack MP7.

They are also found with the following cross numbers: 85013146, 20833111, 20893021, 20965224, 21028628, 21106498, 21246331, 21457950, 21554442, 85000836, 85000910, 85003110, 85003711, 85003886, 85013144, 85013145, 85013147, 85013148, 85144090

For Volvo D11 engines, which were manufactured between 2015 and 2018, injectors with the catalog number 85020426 are used, and the fuel injector cross numbers: 85013778 and 85020426

Modern injectors for Mack MP8 and Volvo D13 have numbers EX631085 and 85013611

It is worth highlighting the Delphi EUI (Electronic Unit Injector) series of injectors for Volvo D11 and D13 engines. The cross numbers of these injectors are: BEBE4K01001 / 21569200 and EX631133 / 22378579

Fuel pumps - as an integral and important part of the entire system, for Volvo D11, D13 and D16 engines, have the catalog number 85103778.

But they are also found with cross numbers: 20997341, 85020108, 15029990, 11128165, 7420997341 and 7485103778.

This fuel pump was designed to deliver fuel as efficiently as possible, ensuring smooth and stable operation of the entire engine.

It is also worth noting Volvo's key strategy of standardizing fuel systems for diesel engines of different series, which made them essentially unique.

The use of common fuel pumps for Volvo D11, D13, D16 engines not only provides a unified approach to production, but also significantly simplifies machine maintenance

The same pump or injector can be installed in different engine models, as well as in the Volvo Mack MP7 and Volvo MP8 engines, which belong to the same group. This provides flexibility in repair and maintenance.

Fuel injectors and high-pressure pumps play a key role in ensuring the efficient and reliable operation of Volvo trucks.

Thanks to modern technologies and integrated solutions, these fuel system components guarantee optimal fuel combustion, increased engine performance and reduced operating costs.

Using quality spare parts, such as Delphi, allows you to maintain equipment and trucks in the best condition, ensuring their long-term service.

Order fuel injectorsDelphifor enginesYou can find Volvo in our online store. We also have Delphi fuel pumps and a full range of fuel equipment