0103 303 Compatible Engine Wiring Harness — Volvo

What does an engine cable harness do?

An engine wiring harness is the bundled cable assembly that connects a heavy commercial vehicle's crankshaft and camshaft position sensors, temperature and pressure sensors, injectors, turbo actuator, and engine ECU inside a single protected housing.

Compatible Volvo engines and models

This specific harness is compatible with a wide range of Volvo engines, including the D13, D11, and D16 series found in models such as FH, FM, FMX, VHD, and VNL. It also serves various Volvo configurations like the B11R and B13R, ensuring seamless integration within the engine management system of heavy-duty trucks and buses.

Maintenance and installation guidance

The assembly is designed to maintain signal integrity under extreme thermal and mechanical stress. For optimal performance, technicians should inspect connectors and insulation during routine maintenance to prevent unexpected downtime. Proper installation ensures that the sensors and ECU receive accurate data for combustion efficiency.

Selection and verification

When replacing an old loom, it is essential to verify the specific engine code to ensure exact pin layout and connector match. This component is compatible with Volvo systems and other heavy commercial vehicle applications.

OE cross-reference

0103 303 (Engine Cable Harness) is the equivalent of the Volvo OE numbers. This part directly replaces Volvo OE numbers 21060810, 21145813, 21372461, 22018636.