Product Description

FAW Jiefang J6 3724045-D9760E Complete Wiring Harness is a full-vehicle electrical connection assembly designed for heavy truck chassis systems, ensuring stable power transmission, signal communication, ECU connectivity, and reliable electrical operation across the vehicle.

This OE-quality complete harness is widely used in Jiefang J6 truck chassis maintenance, engineering machinery repair, fleet overhaul, and electrical restoration where aging harnesses may cause unstable signals, sensor failure, ECU communication loss, lighting faults, or startup issues.

Suitable for OEM replacement, engineering vehicle maintenance, wholesale purchasing, distributor sourcing, and export aftermarket supply.

Product Overview

3724045-D9760E is mainly used in FAW Jiefang chassis electrical systems.

Common applications:

• Full vehicle wiring harness replacement

• Chassis electrical overhaul

• Engineering machinery maintenance

• Fleet electrical repair

• OEM system replacement

• Wholesale supply

• Export aftermarket procurement

Technical Parameters

Fitment Models

Common vehicle applications:

• FAW Jiefang J6 Heavy Truck

• Jiefang J6 Chassis Platform

• Engineering Machinery Related J6 Electrical Systems

Fitment Verification

Before order confirmation, verify:

• OEM No

• Chassis model

• Vehicle VIN

• Connector quantity

• ECU interface

• Fuse box connection

• Sensor branch layout

• Lighting branch harness

• Cable length

• Plug specification

• Voltage system

OEM Cross Verification (FAW Related)

Direct Fit

• FAW Jiefang J6 chassis electrical systems

• Heavy-duty truck full harness applications

• Related engineering vehicle electrical assemblies

Can Be Adapted

• Matching J6 platform systems after connector verification

Similar But Not Compatible

• Engine-only harness

• Cabin harness

• Different ECU layout harnesses

• Different branch connector systems

• Different voltage specification harnesses

Common Field Failure Case

Case 1

Vehicle: FAW Jiefang J6 Engineering Truck
Problem: Intermittent sensor communication failure
Root Cause: Internal harness aging and oxidation
Solution: Replace 3724045-D9760E complete wiring harness
Result: Restored stable ECU signal transmission

Case 2

Vehicle: J6 Fleet Truck
Problem: Multiple lighting and startup faults
Root Cause: Broken branch wiring and connector wear
Solution: Install OE-quality full vehicle harness
Result: Improved electrical stability and reduced downtime

Case 3

Vehicle: Heavy Machinery Chassis Platform
Problem: Wrong harness branch mismatch
Root Cause: Connector layout inconsistency
Solution: Verify OEM + plug layout before shipment
Result: Reduced installation failure risk

Wrong Part & Export Transport Risk Control

Supplier Stability & Procurement Value

For distributors and fleet buyers:

• OE-quality electrical parts supply

• Ready stock shipment

• Stable export packaging

• Reduced wrong-order risk

• Suitable for engineering machinery repair

• Wholesale procurement support

• Reliable electrical restoration

• Fleet maintenance compatibility

Related Truck Parts

Directly Associated Parts

• ECU Connector Harness

• Fuse Box Assembly

• Sensor Wiring Branch

• Battery Cable Assembly

Same System Parts

• Relay Box

• Lighting Harness

• Starter Cable

• Ground Cable

Often Forgotten Parts

• Lock clips

• Fuse holders

• Rubber sleeves

• Harness ties

• Connector seals

Contact

William Du
Heavy Truck Spare Parts Supply
FAW Jiefang | SINOTRUK | SITRAK Export Truck Parts
WhatsApp / WeChat: +86 19050562894
Email: Sales22@chinatruck.cc