| No. | Part No. | Name |
|---|---|---|
| 1 | 712W41615-6039 | Front Cross Block Fixing Bracket |
| 2 | WG9716583013 | Vehicle Rear Cross Block |
| 3 | ZQ1841055TF6 | Hexagon Flange Bolt M10 |
| 4 | ZQ1841055TF6 | Hexagon Flange Bolt M10 |
| 5 | Q40112 | Plain Washer |
| 6 | Q40112 | Plain Washer |
| 7 | Q350B10 | Hexagon Thin Nut |
| 8 | Q350B10 | Hexagon Thin Nut |
| 9 | WG9716583007 | Distributed Module Protective Cover |
| 10 | WG9716583007 | Distributed Module Protective Cover |
| 11 | ZQ32010 | Hexagon Flange Nut M10 |
| 12 | ZQ32010 | Hexagon Flange Nut M10 |
| 13 | Q40210 | Large Washer |
| 14 | Q40210 | Large Washer |
| 15 | ZQ18410740 | Trailer Socket Harness (ADR) |
| 16 | ZQ18410740 | Trailer Socket Harness (ADR) |
| 17 | ZQ18410740 | Trailer Socket Harness (ADR) |
| 18 | WG9925773050 | Harness Fixing Clamp |
| 19 | YZ962277540047 | C7 Chassis Harness (4X2/S39/AMT/240 Single-layer Box Left 1400/Cylinder 1) |
The Front Cross Block Fixing Bracket is a sturdy steel mounting plate used to secure the front cross block to the chassis. It ensures proper alignment of the wiring harness and provides a reliable anchor point for the C7 Chassis Wiring Harness, preventing movement and chafing.
The Vehicle Rear Cross Block is a robust structural component that supports the rear section of the C7 Chassis Wiring Harness. It provides a mounting base for connectors and junction boxes, ensuring that all rear electrical functions operate reliably.
The Hexagon Flange Bolt M10 is a high‑strength fastener used to secure brackets and cross blocks within the C7 Chassis Wiring Harness assembly. Its integrated flange provides a large bearing surface and eliminates the need for a separate washer, ensuring vibration‑proof mounting.
The Plain Washer is a flat steel ring used under bolt heads and nuts to distribute clamping load evenly across the mounting surface. It protects the brackets from damage and helps maintain consistent torque in the C7 Chassis Wiring Harness system.
The Hexagon Thin Nut is a low‑profile nut used in confined spaces where a standard nut would not fit. It is often used in the C7 Chassis Wiring Harness to secure components without adding unnecessary height.
The Distributed Module Protective Cover is a durable plastic shield that protects electronic control modules and junction boxes from dirt, moisture, and mechanical impact. It is a vital part of the C7 Chassis Wiring Harness, ensuring long‑term reliability of the electrical system.
The Hexagon Flange Nut M10 is the matching nut for the M10 flange bolt, providing a secure and self‑locking fastening solution. Its flanged design ensures even pressure distribution, making it ideal for the C7 Chassis Wiring Harness mounting.
The Large Washer is an oversized flat washer that provides a wider bearing area, ideal for use with larger bolts or soft mounting surfaces. It is used in the C7 Chassis Wiring Harness to protect the harness and brackets from stress.
The Trailer Socket Harness (ADR) is a specialised wiring assembly that connects the vehicle’s electrical system to the trailer socket, complying with ADR (Australian Design Rules) standards. It is a key component of the C7 Chassis Wiring Harness, ensuring safe and reliable trailer communication.
The Harness Fixing Clamp is a reusable cable tie with a mounting hole, used to securely attach the C7 Chassis Wiring Harness to the chassis frame. It provides strain relief and prevents the harness from sagging or rubbing against moving parts.
The C7 Chassis Harness is the main wiring loom for the 4X2 configuration, specifically engineered for S39 suspension, AMT transmission, and a 240Ah single‑layer battery box on the left. It includes all necessary connectors and branches to power every chassis electrical device, making it the cornerstone of the C7 Chassis Wiring Harness system.
Our C7 Chassis Wiring Harness is manufactured to Sinotruk’s exact specifications, ensuring every connector, wire gauge, and mounting point matches the original design. It is a direct replacement that eliminates guesswork and ensures seamless integration.
The kit includes all brackets, bolts, nuts, washers, clamps, and protective covers required for a full installation. Every component is engineered to protect the C7 Chassis Wiring Harness from environmental and mechanical damage.
Using genuine parts for your C7 Chassis Wiring Harness reduces the risk of electrical faults and makes diagnostics easier. The harness is clearly labelled and colour‑coded, allowing quick identification of circuits during repairs.
The harness and all associated hardware are built to withstand the harsh conditions of heavy‑duty trucking, including moisture, salt, vibration, and extreme temperatures. The C7 Chassis Wiring Harness is designed for a long service life.
The C7 Chassis Wiring Harness is the backbone of the vehicle’s electrical distribution, connecting the battery, alternator, fuse boxes, and all chassis‑mounted components. It is a critical system that must be maintained in top condition to ensure reliable starting, lighting, and braking.
Over time, exposure to heat, moisture, and road debris can degrade the insulation and connectors of the original harness. Replacing it with our genuine C7 Chassis Wiring Harness restores full electrical performance and eliminates intermittent faults that are difficult to diagnose.
The front and rear cross blocks provide structural support for the harness, preventing sagging and ensuring that the cables are held away from hot exhaust components and moving suspension parts. The brackets are made from galvanised steel and are pre‑drilled for easy installation.
The use of M10 flange bolts and nuts, along with large and plain washers, ensures that all connections remain tight and secure, even under severe vibration. The hexagon thin nuts are ideal for tight spaces, allowing the harness to be routed without interference.
The distributed module protective covers are essential for safeguarding the ECU, relay box, and other sensitive electronics from water and dust ingress. They are made from impact‑resistant plastic and feature snap‑fit closures for easy access during maintenance.
The trailer socket harness (ADR) is a dedicated assembly that meets the stringent Australian Design Rules for trailer lighting and braking signals. It is fully shielded and includes a waterproof connector, ensuring reliable communication with trailers in all weather conditions.
The harness fixing clamps are reusable and allow for quick adjustments. They are designed to accommodate different harness diameters, making them versatile for various cable bundles.
The main C7 chassis harness is customised for the 4X2 configuration with S39 suspension and AMT transmission. It includes all necessary pigtails for the battery box, starter motor, alternator, and lighting circuits. Every wire is numbered and color‑coded to match the factory service manual.
Installing the C7 Chassis Wiring Harness is a straightforward process, but it is recommended that the work be performed by a qualified technician to ensure correct routing and connection. All required hardware is supplied, so no additional parts are needed.
For fleet operators, using genuine C7 Chassis Wiring Harness components reduces the risk of electrical fires and breakdowns. The high‑quality insulation and connectors are designed to last the life of the vehicle, minimising downtime and repair costs.
We back our C7 Chassis Wiring Harness with a 12‑month warranty against manufacturing defects. If any component fails, we will replace it promptly. Our technical support team is available to assist with installation queries.
We ship worldwide with full tracking. Expedited shipping is available for urgent orders. Use the Send Email or Get Quotation buttons to request a customised quote.
Choosing genuine C7 Chassis Wiring Harness parts ensures your truck remains compliant with safety and emissions regulations. Aftermarket harnesses often lack the correct conductor sizes and shielding, leading to voltage drop and unreliable operation.
The C7 Chassis Wiring Harness is designed for easy identification, with all connectors labelled and wire colours matching the original wiring diagram. This makes troubleshooting and future modifications much simpler.
We recommend replacing the entire harness rather than patching damaged sections, as multiple hidden breaks or corrosion can cause future failures. Our kit provides a complete new system, giving you peace of mind.
The protective covers and clamps are made from UV‑stabilised materials, ensuring they do not become brittle over time. This maintains the integrity of the C7 Chassis Wiring Harness even in prolonged sunlight exposure.
We maintain a large inventory to ensure fast dispatch, even for bulk orders. Contact our sales team for volume pricing and customised logistics.
The C7 Chassis Wiring Harness is a critical investment in your vehicle’s reliability. With genuine OEM parts, you minimise the risk of electrical issues that can leave you stranded.
Thank you for considering our C7 Chassis Wiring Harness for your Sitrak C7H. We are confident that our product will meet your expectations for quality and durability.
We offer technical support for installation and can provide additional documentation if required. Our goal is to ensure your C7 Chassis Wiring Harness installation is successful.
Upgrade your truck with the genuine C7 Chassis Wiring Harness – the reliable choice for professional truck operators.
Our online catalog provides comprehensive access to genuine SINOTRUK parts for all major vehicle lines — including HOWO, Sitrak, Steyr, and Yellow River series trucks. You can browse detailed specifications, original part numbers, and exploded-view diagrams for every assembly. Whether you are performing routine maintenance or planning a major overhaul, the catalog helps you quickly identify the correct components for your vehicle. When you become a SINOTRUK customer, we offer complimentary full‑access catalog services, ensuring you always have the latest product data and interchangeability information at your fingertips to support efficient fleet management and accurate parts ordering.
We are a heavy-duty truck parts store. Please leave your contact information and inquiries. We will respond within 12 hours.
