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New 812W25424 - 6437 Engine Wiring Harness C7, Engine System Part for SINOTRUK HOWO SHACMAN FAW Heavy Duty Spare Parts VCU Type

New 812W25424 - 6437 Engine Wiring Harness C7, Engine System Part for SINOTRUK HOWO SHACMAN FAW Heavy Duty Spare Parts VCU Type

The 812W25424 Series is a range of high-performance wiring harness assemblies specifically engineered for SINOTRUK's premium heavy-duty truck brand – SITRAK, particularly models equipped with MAN technology engines. These harnesses serve as critical components in the vehicle’s electronic control network, enabling seamless communication between the Engine Control Unit (ECU), Vehicle Control Unit (VCU), sensors, actuators, and aftertreatment systems.

Designed for durability and precision, this series supports emission standards from Euro IV to Euro VI and is widely used across SITRAK C7, C7H, T7H, and selected HOWO models. Each variant within the series is defined by its unique suffix number, ensuring exact compatibility with specific subsystems such as engine management, fuel injection, SCR systems, and chassis electronics.

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Model:
812W25424
Brand:
FAW

Product Description

Attribute	Description
Product Name	Electronic Control System Wiring Harness Assembly
Brand Compatibility	SINOTRUK (China National Heavy Duty Truck Group)
Primary Application	SITRAK C7 / C7H / T7H / T5G / TX Series Heavy-Duty Trucks
Core Function	Signal transmission, power delivery, and CAN bus communication between ECU, VCU, sensors, injectors, and aftertreatment systems
Design Standard	OEM specification compliant; designed for MAN D08/D26 engine platform integration
Electrical System	24V DC (Standard for commercial heavy vehicles)
Quality Level	Original Equipment Manufacturer (OEM) Grade
Application Type	Replacement, Repair, and Aftermarket Support

Parameter	Specification
Operating Voltage	24V DC
Insulation Material	High-temperature resistant PVC / XLPE insulated copper conductors
Protective Sheathing	Flame-retardant corrugated polyamide (PA) conduit; oil, heat, and abrasion-resistant
Connector Brands	TE Connectivity (TE), Aptiv (Delphi), or equivalent OEM-specified waterproof connectors
Waterproof Rating	IP67 minimum on all major connectors
Temperature Resistance	-40°C to +120°C (short-term peaks up to +150°C near engine zones)
EMI/RFI Protection	Shielded twisted-pair cables for CAN lines; grounded shielding braid for noise immunity
Vibration Resistance	Designed to withstand long-haul road vibrations and harsh operating environments
Signal Types Supported	Analog/Digital Sensor Signals, Injector Drive Pulses, Power Supply, Grounds, CAN Bus (High & Low)