51254136385 Cable Harness Engine

Genuine MAN engine cable harness connecting the engine control unit (ECU) to fuel injectors, rail pressure sensor, crank and cam sensors, coolant and oil temperature sensors, boost pressure sensor, and ancillary actuators including EGR and throttle body. This multi-branch wiring loom is routed along the engine block and cylinder head and serves as the primary electrical backbone of the entire engine management system. Used on MAN D20 and D26 common rail diesel engines fitted to TGX, TGS, and TGM platforms. Deterioration or damage to the harness — typically caused by prolonged heat exposure, chafing against engine components, or rodent damage — commonly triggers multiple simultaneous fault codes and intermittent engine misfires that are difficult to trace to a single sensor. This is a direct OEM replacement, pre-assembled and bench-tested to MAN specifications. Installation requires careful routing following the original cable clamp and bracket positions. Inspect all connectors for corrosion or damaged locking tabs before securing. After fitting, clear all stored fault codes with MAN-CATS and perform a road test to verify correct operation.