| No. | Part No. | Name |
|---|---|---|
| 1 | 812W25503-6040 | Fuel Heater Switch |
The Fuel Heater Switch is a dashboard‑mounted rocker switch that provides the driver with manual control over the fuel‑fired heater system. When activated, it sends a low‑current signal to the heater controller, initiating the combustion process to warm the engine coolant or cabin air. The switch features a built‑in amber LED that illuminates when the heater is running, giving the driver a clear visual indication of system status. Its robust construction is rated for 12/24V DC operation and is sealed against dust and moisture to ensure reliable performance even in harsh cab environments.
Our Fuel Heater Switch is manufactured to Sinotruk’s original design, ensuring perfect compatibility with the C7H dashboard cut‑out and electrical connector. It is a direct replacement for the original unit, requiring no modifications for installation.
This Fuel Heater Switch provides dependable activation of the heater, reducing engine wear and improving driver comfort in sub‑zero temperatures. Its positive detent action prevents accidental operation, giving you confidence in harsh conditions.
Simply unplug the old switch and connect the new Fuel Heater Switch – no additional wiring or programming is needed. The connector is identical to the factory part, making the swap quick and straightforward for any technician.
The switch housing is made from flame‑retardant nylon with a sealed membrane that protects against dust and moisture ingress. Its internal contacts are silver‑plated to prevent corrosion, ensuring the Fuel Heater Switch remains reliable for years.
The Fuel Heater Switch is a small but essential component that gives drivers direct authority over the vehicle’s auxiliary heating system. It is typically located on the centre console or overhead panel, within easy reach of the driver.
Unlike generic toggle switches, this genuine part is designed to match the C7H’s interior styling and illumination colour, maintaining a factory‑look appearance. Its amber LED is specifically chosen to be visible in both daylight and night conditions.
A common failure mode for older switches is worn contacts that cause intermittent heater operation. Replacing a faulty unit with our new Fuel Heater Switch restores crisp, reliable switching and eliminates the frustration of unresponsive heating.
The switch is rated for 5A at 24V DC, which is more than sufficient for the low‑current control circuit of the heater controller. It is not intended to carry the high current of the heater itself – that is handled by the relay and power harness.
Installation of the Fuel Heater Switch is a five‑minute job that requires no special tools. A trim removal tool can be used to gently pry the switch from the dash panel, and the wiring connector simply unclips. The new unit clicks securely into place.
We recommend testing the switch after installation by turning the key to the ‘on’ position (without starting) and activating the heater. The LED should illuminate, and you should hear the heater fan begin to run if the system is connected.
For fleet managers, stocking a genuine Fuel Heater Switch ensures that any truck can be quickly repaired without waiting for special orders. The uniform part number simplifies inventory management.
The switch’s internal mechanism uses a spring‑loaded rocker that provides positive tactile feedback, so the driver always knows whether the heater is engaged. This reduces the chance of leaving the heater on unintentionally, which could drain the battery.
All our Fuel Heater Switches are tested for continuity and insulation resistance before shipping, ensuring that you receive a fully functional component. We also provide a 12‑month warranty against manufacturing defects.
The switch is compatible with both Euro 5 and Euro 6 C7H models, as the heater control interface remained unchanged across these generations. It is also used in some T5G and Howo variants, making it a versatile spare part.
Over time, the LED in the switch can dim or fail. Our new Fuel Heater Switch restores the bright, clear indicator that is essential for confident operation in low‑light conditions.
We ship worldwide with tracking. Expedited shipping is available for urgent orders. Use the Send Email or Get Quotation buttons to request a personalised quote for bulk quantities.
Choosing a genuine Fuel Heater Switch ensures that your C7H remains safe and fully functional. Aftermarket copies often lack the proper sealing or use inferior contact materials, leading to premature failure.
The switch is designed to operate in a temperature range of -40°C to +85°C, making it suitable for both Arctic and desert environments. Its UV‑stabilised housing prevents fading and cracking from prolonged sun exposure.
We maintain a large inventory to ensure fast dispatch, even for bulk orders. Contact our sales team for volume pricing and tailored logistics solutions.
Thank you for considering our Fuel Heater Switch for your Sitrak C7H. We are confident that our genuine OEM part will deliver the reliability and performance you expect.
The Fuel Heater Switch is an often‑overlooked component that can make the difference between a comfortable journey and a freezing cab. Replacing a worn switch is a small investment with a big impact on driver satisfaction.
We offer a dedicated technical helpline for installation advice. Our engineers have detailed knowledge of the C7H electrical system and can guide you through any difficulties.
With proper installation, this Fuel Heater Switch will provide years of trouble‑free service, keeping your heater system under your control whenever winter conditions demand it.
Upgrade your C7H with the genuine Fuel Heater Switch – a simple but essential part that ensures you stay warm and your engine starts smoothly, no matter how cold it gets outside.
Order today and experience the peace of mind that comes from using genuine Sinotruk parts. Our team is ready to process your order and answer any questions.
We are committed to providing the highest quality components and exceptional customer service. Choose our Fuel Heater Switch for reliability you can count on.
Don’t let a faulty switch leave you in the cold. Replace it today with our genuine part and enjoy the comfort and convenience of a properly functioning fuel‑fired heater.
The Fuel Heater Switch is a small part with a big responsibility. Trust only genuine Sinotruk components to keep your truck’s auxiliary heating system operating safely and efficiently.
We look forward to serving you and ensuring your C7H is equipped with the best parts available. Place your order now and drive with confidence.
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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