

| No. | Part No. | Name |
|---|---|---|
| 1 | Q40306 | Spring Washer |
| 2 | Q340B06 | Type 1 Hexagonal Nut |
| 3 | Q32806 | Lock Nut |
| 4 | Q32808 | M8 Lock Nut |
| 5 | WG9725580018 | 20A Fuse Device |
| 6 | 712W25456-6701 | C7H Cab Wiring Harness (NanoBCU/VCU) |
| 7 | 811W97401-0589 | Plastic Fastening Tape 4.8×360 |
| 8 | YG9600710011 | Assembled Card Plate Cable Tie (Longitudinal/200) |
| 9 | YG9600710012 | Assembled Card Plate Cable Tie (Same Direction/200) |
The Spring Washer is a split‑ring lock washer that provides tension to prevent fasteners from loosening under vibration. It is used in the C7H Cab Wiring assembly to secure mounting bolts and ensure that all connections remain tight throughout the vehicle’s operation. The spring action compensates for thermal expansion and contraction, maintaining consistent clamping force.
The Type 1 Hexagonal Nut is a standard metric nut used for securing the C7H Cab Wiring harness components. It is manufactured from high‑strength steel with a zinc‑plated finish, providing reliable fastening and corrosion resistance. The nut is designed for use with M6 bolts and is compatible with the spring washers included in this kit.
The Lock Nut is a specialized fastener with a nylon insert that provides a self‑locking feature, preventing loosening due to vibration. It is used in critical mounting points within the C7H Cab Wiring system where secure fastening is essential. The lock nut ensures that the harness remains firmly attached to the cab structure, reducing the risk of chafing or disconnection.
The M8 Lock Nut is a larger variant of the lock nut, designed for M8 threaded fasteners. It provides the same self‑locking capability for heavier‑duty mounting points in the C7H Cab Wiring harness. The nylon insert grips the bolt threads, preventing loosening even under severe vibration and shock loads.
The 20A Fuse Device is an in‑line fuse holder that provides overcurrent protection for the C7H Cab Wiring circuits. It is rated for 20 amperes and features a waterproof housing that protects the fuse element from moisture and dirt. The device is designed to accept standard blade‑type fuses and includes a visual indicator for blown fuse detection, simplifying troubleshooting.
The C7H Cab Wiring Harness is the central component of this kit, specifically designed for vehicles equipped with NanoBCU and VCU control systems. It is a complete, pre‑assembled wiring loom that connects all cab electrical components to the vehicle’s central controllers. The harness features high‑quality copper conductors with XLPE insulation, providing excellent conductivity and resistance to heat and abrasion. All connectors are factory‑terminated with the correct pinouts, ensuring a plug‑and‑play installation.
The Plastic Fastening Tape 4.8×360 is a high‑quality cable tie used for securing and organising the C7H Cab Wiring harness. With a length of 360mm and a width of 4.8mm, it offers excellent tensile strength and UV resistance. The self‑locking mechanism ensures a secure grip, and the smooth edges prevent chafing of wire insulation.
The Assembled Card Plate Cable Tie (Longitudinal/200) is a specialised cable management accessory designed for routing the C7H Cab Wiring along longitudinal panels. It features a built‑in card plate that provides a secure mounting point, and the 200mm length offers ample coverage for securing multiple cable branches.
The Assembled Card Plate Cable Tie (Same Direction/200) is similar to the longitudinal variant but is designed for routing cables in the same direction along parallel runs. It provides secure bundling and organisation of the C7H Cab Wiring harness, preventing tangling and ensuring a neat installation.
Our C7H Cab Wiring harness is manufactured to Sinotruk’s original specifications, ensuring perfect compatibility with the C7H cab electrical architecture. Every connector, wire colour, and terminal matches the factory design, making replacement straightforward and reliable.
This C7H Cab Wiring is specifically designed for vehicles with NanoBCU and VCU control systems, ensuring seamless communication between the cab electronics and the central controllers. The harness supports all advanced vehicle functions and diagnostic capabilities.
We supply everything needed for a full C7H Cab Wiring installation – the main harness, fuse device, fasteners, and cable management accessories. No additional parts are required, simplifying the replacement process and reducing downtime.
The C7H Cab Wiring harness uses high‑quality copper conductors with XLPE insulation, resistant to heat, abrasion, and chemicals. The included fuse device provides overcurrent protection, and the cable ties ensure secure routing, preventing chafing and short circuits.
The C7H Cab Wiring kit is a comprehensive electrical solution for the Sitrak C7H, providing a complete replacement harness for the cab’s electrical system. It is specifically designed for vehicles equipped with the advanced NanoBCU and VCU control units, which manage a wide range of vehicle functions.
The main harness is the central component, containing all the necessary wiring for the cab’s lighting, controls, sensors, and communication networks. It is pre‑assembled with the correct connectors and terminals, making installation a straightforward plug‑and‑play process.
The 20A fuse device provides essential overcurrent protection for the cab wiring circuits. It is placed inline with the main power feed, safeguarding the harness and connected components from electrical faults. The waterproof housing ensures reliable operation even in wet conditions.
The fasteners included in the kit – spring washers, hex nuts, lock nuts, and M8 lock nuts – are all manufactured from high‑strength steel with corrosion‑resistant plating. They are designed to provide secure and vibration‑proof mounting for the harness and its components.
The plastic fastening tape and assembled card plate cable ties provide comprehensive cable management solutions. The fastening tape is ideal for bundling wires together, while the card plate cable ties allow for secure attachment to the cab structure, keeping the C7H Cab Wiring organised and protected from chafing.
One of the key advantages of this genuine C7H Cab Wiring kit is its compatibility with the NanoBCU and VCU systems. These controllers manage everything from lighting and wipers to advanced driver assistance functions. Using a genuine harness ensures that all signals are transmitted correctly and that the vehicle’s diagnostic systems function properly.
A common cause of electrical faults in aging trucks is damaged or corroded wiring. Replacing the original harness with our genuine C7H Cab Wiring kit eliminates intermittent faults, restores full electrical functionality, and improves the overall reliability of the vehicle.
For fleet operators, standardising on this C7H Cab Wiring kit simplifies spare parts management and ensures consistent quality across all trucks. The kit’s comprehensive nature reduces the need for multiple part numbers and streamlines the repair process.
The harness is manufactured using cross‑linked polyethylene (XLPE) insulated wire, which offers superior resistance to heat, abrasion, and chemicals compared to standard PVC insulation. This ensures that the C7H Cab Wiring remains flexible and durable throughout the vehicle’s service life.
All connectors on the harness are OEM‑specified and feature gold‑plated terminals for low resistance and corrosion resistance. This ensures that the electrical connections remain reliable, even in high‑humidity environments.
We recommend that the C7H Cab Wiring installation be carried out by a qualified automotive electrician to ensure correct routing and secure connections. However, the comprehensive instructions and labeled components make it accessible for experienced DIY enthusiasts.
The C7H Cab Wiring kit is compatible with all Sitrak C7H variants, including 4×2, 6×4, and 6×2 configurations. It is also suitable for use on other Sinotruk models that share the same cab electrical architecture.
We back our C7H Cab Wiring kit with a 12‑month warranty against manufacturing defects. If any component fails under normal use, we will replace it free of charge. Our technical support team is available to assist with any installation queries.
We ship worldwide with tracking information for every order. For urgent requirements, expedited shipping is available. Use the Send Email or Get Quotation buttons to request a personalised quote.
Choosing a genuine C7H Cab Wiring kit ensures that your truck’s electrical system remains reliable and safe. Aftermarket alternatives may not offer the same quality, fitment, or compatibility with the NanoBCU and VCU systems.
The C7H Cab Wiring is a critical component that affects the operation of all cab systems. A well‑maintained harness ensures that lights, wipers, HVAC, and infotainment systems function correctly, contributing to driver comfort and safety.
Order your C7H Cab Wiring kit today and ensure that your Sitrak C7H is equipped with a reliable, high‑quality electrical harness. Our team is ready to answer any questions about installation, compatibility, or product specifications.
We maintain a large stock of C7H Cab Wiring kits to ensure fast dispatch, even for bulk orders. Whether you need a single unit or a fleet‑wide upgrade, we have the inventory to meet your requirements.
With the increasing complexity of truck electrical systems, using genuine C7H Cab Wiring is essential for ensuring reliable operation and avoiding costly electrical faults. Our kit provides a complete solution that restores the cab’s electrical system to factory‑fresh condition.
Thank you for considering our C7H Cab Wiring for your Sitrak C7H. We are confident that our genuine OEM product will exceed your expectations for quality, durability, and performance.
The C7H Cab Wiring harness is designed for easy installation, but professional fitting is recommended to ensure correct routing and secure connections. Our support team is available to guide you through the process.
With proper installation, this C7H Cab Wiring kit will provide years of reliable service, keeping your truck’s electrical systems operating at their best.
Upgrade your C7H with our genuine C7H Cab Wiring kit – the smart choice for reliable electrical performance and peace of mind.
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