| No. | Part No. | Name |
|---|---|---|
| 1 | 811W25201-6003 | Sleeper Lamp |
| 2 | 811W25203-6001 | Door Lamp |
| 3 | 811W25203-6002 | Storage Box Lamp |
| 4 | 811W25203-6011 | Side Turn Signal Lamp |
| 5 | 811W25260-6002 | High Roof Front Clearance Lamp (Fully Sealed) |
| 6 | 812W25260-6004 | Front Clearance Decorative Lamp (Right) |
| 7 | 812W25260-6003 | Front Clearance Decorative Lamp (Left) |
| 8 | 811W25201-6002 | Interior Courtesy Lamp (Right) |
| 9 | 811W25201-6001 | Interior Courtesy Lamp (Left) |
| 10 | 812W25203-6103 | Electric Sunroof Switch |
| 11 | Q2716370 | Cross Recessed Pan Head Self-tapping Screw |
| 12 | Q2714238 | Cross Recessed Pan Head Self-tapping Screw |
| 13 | Q39748202 | Spring Nut |
| 14 | Q2140525F31 | Rubber Bushing |
| 15 | Q2140525F31 | Rubber Bushing |
| 16 | Q2140525F31 | Cross Recessed Pan Head Screw |
| 17 | Q2140525F31 | Type 1 Hexagonal Nut |
| 18 | Q2140525F31 | Roof Wiring Harness (High Roof/Wide Body) |
| 19 | Q2140525F31 | Electric Sunroof Sunshade Switch Harness |
| 20 | Q2140525F31 | Electric Sunroof Sunshade Roof Harness |
The Sleeper Lamp provides soft, adjustable lighting for the resting area. It features a dimmer switch and a warm LED module, ensuring driver comfort during rest breaks.
The Door Lamp illuminates the entry step and ground area when the door opens. It uses a focused beam to improve safety during night boarding.
This compact LED lamp is installed inside overhead storage compartments. It activates when the lid is opened, making it easy to find items in the dark.
Mounted on the side mirrors, this amber lamp alerts surrounding traffic of turning intentions. It is highly visible even in bright daylight.
This fully sealed clearance lamp sits on the highest point of the cab, indicating vehicle width. Its durable housing withstands harsh weather and UV exposure.
These decorative lamps enhance the front appearance while serving as additional position markers. They are available in left and right variants, each with a distinct lens pattern.
These dome lights provide general cabin illumination. Each unit includes a reading light with adjustable angle, improving convenience for both driver and passenger.
This rocker switch controls the sunroof tilt and slide functions. It is backlit and includes a one‑touch open/close feature for ease of use.
These self‑tapping screws are used to secure trim panels and small components. The cross recess ensures a firm grip with a standard screwdriver.
The spring nut is a U‑shaped clip that provides a threaded hole for screws in thin sheet metal. It is quick to install and provides a reliable fastening point.
This rubber bushing isolates wires and hoses from sharp edges, preventing chafing. It also dampens vibration and reduces noise transmission.
Similar to the self‑tapping variant, this screw is used with nuts for more permanent fastening. It has a standard machine thread.
A standard hex nut used in conjunction with machine screws. It is zinc‑plated for corrosion resistance and meets Grade 8 strength requirements.
This main harness routes power and signals to all roof‑mounted devices, including clearance lamps, sunroof, and interior lights. It is pre‑wired for high‑roof and wide‑body cabs.
A dedicated sub‑harness that connects the sunshade switch to the main sunroof controller. It includes the necessary connectors for plug‑and‑play installation.
This harness runs from the sunshade motor to the main junction box. It is engineered for high‑roof applications and includes protective sleeving.
This G7 Cab Electrical System includes every lighting and switching component needed for a full cab refurbishment. All parts are genuine Sinotruk, ensuring perfect fit and function.
All wiring harnesses come with factory‑matching connectors. No cutting or splicing – simply connect and secure, saving installation time and eliminating wiring errors.
All lamps are sealed against moisture and dust (IP65 or higher). Fasteners are corrosion‑resistant, ensuring long‑lasting performance even in harsh environments.
We supply all screws, nuts, bushings, and harnesses – no extra parts to source. This reduces workshop downtime and ensures a professional result every time.
The G7 Cab Electrical System is the complete electrical package for the Sitrak C7H cab interior and exterior lighting. It is designed to replace aging or damaged components with factory‑fresh units.
The system covers all essential lighting: sleeper, door, storage box, side turn signals, clearance and decorative markers, and interior courtesy lamps. Each lamp uses high‑efficiency LEDs for low power consumption and long life.
In addition to lighting, the kit includes the electric sunroof switch and two dedicated harnesses for the sunshade motor. These harnesses are pre‑terminated with the correct connectors for a direct swap.
All fasteners – self‑tapping screws, machine screws, spring nuts, and hex nuts – are supplied in the correct quantities and sizes. They are manufactured from high‑grade steel with anti‑corrosion coating.
The rubber bushings are made from EPDM rubber, which resists ozone, UV, and extreme temperatures. They provide a snug fit around wiring harnesses, preventing chafing and short circuits.
The roof wiring harness is the central spine of the system. It connects all roof‑mounted devices to the vehicle’s power and CAN bus. It is labeled at each branch for easy identification.
Installation is straightforward and can be completed in a few hours. Start by disconnecting the battery, then remove the old lamps and harnesses. Install the new components in reverse order, using the supplied fasteners.
All lamps are polarity‑protected and include built‑in overvoltage protection. This safeguards the LEDs against voltage spikes common in truck electrical systems.
The G7 Cab Electrical System is also backward‑compatible with earlier C7H models, making it an ideal upgrade for older trucks looking to modernize their cab lighting.
We recommend replacing all lamps simultaneously to ensure uniform brightness and color temperature. Our kit provides a consistent 5000K white light for all interior and exterior functions.
The side turn signal lamps feature a wide‑angle lens for maximum visibility from the side, improving safety when changing lanes. They are E‑marked for road legality.
The clearance and decorative lamps are designed to match the C7H’s front styling. They are available in left and right orientations, ensuring a symmetrical look.
All switches, including the sunroof switch, have a positive tactile feel and are rated for 50,000 cycles. The sunroof switch also controls the sunshade when the sunroof is closed.
We provide a comprehensive installation guide with torque specifications for all fasteners. Following these values ensures optimal clamping force without damaging plastic components.
The G7 Cab Electrical System is packed in a sturdy carton with foam dividers to prevent damage during shipping. Each component is individually bagged and labeled.
For fleet operators, this kit simplifies spare parts management – one part number covers all cab lighting and switching needs. We also offer volume discounts for bulk orders.
We stand behind the quality of our products with a 12‑month warranty. If any item fails due to manufacturing defect, we will replace it free of charge.
Ordering is simple – use the Send Email button to request a quote or the Get Quotation button to reach our sales team directly. We respond within 24 hours and offer fast worldwide shipping.
Don’t settle for mismatched aftermarket parts. Choose our genuine G7 Cab Electrical System for reliable performance, perfect fit, and the quality that only original Sinotruk components can provide.
Upgrade your C7H today and enjoy a well‑lit, comfortable, and fully functional cab environment. Our team is ready to assist with any technical questions you may have.
We maintain a large inventory to ensure prompt delivery. Place your order now and experience the difference that genuine Sinotruk electrical parts make in your daily operations.
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.
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