The brake light system is a critical safety feature that communicates your vehicle’s actions to other road users, and the stop signal switch is the heart of this system. The 811W255030001 Stop Signal Switch HOWO T5G is engineered to deliver flawless, instantaneous brake light activation, ensuring that your braking intentions are clearly communicated in every driving situation. As a vital Howo/Sitrak truck parts component, this switch is manufactured to the highest OEM standards, featuring precision-engineered contacts, robust construction, and a reliable plunger mechanism that guarantees consistent performance over millions of cycles. Whether you are replacing a faulty switch or performing preventative maintenance, the 811W255030001 provides the safety, durability, and exact fit that professional workshops and fleet operators rely on worldwide.
The stop signal switch, also known as a brake light switch, is a small but vital component that activates the brake lights when the brake pedal is pressed. The 811W255030001 is specifically designed for HOWO T5G trucks, ensuring perfect compatibility with the vehicle’s electrical system and pedal assembly. A worn or faulty switch can lead to delayed or non-functional brake lights, increasing the risk of rear-end collisions and traffic violations. HOWO has engineered this switch with a robust plunger and high-grade contact materials that resist arcing and corrosion, providing a consistent electrical signal every time the pedal is depressed. Its precise actuation point ensures that the brake lights illuminate as soon as the pedal is pressed, giving following drivers maximum warning time. With the 811W255030001, you restore the original safety and reliability of your T5G’s braking system, protecting your drivers and cargo.
Instant Activation
Zero Delay
Durable Contacts
Long Life
OEM Grade
Genuine HOWO
Perfect Fit
Plug & Play
Accurate technical data is essential for correct selection and installation. The 811W255030001 is manufactured to stringent OEM tolerances, guaranteeing seamless integration with your HOWO T5G’s electrical system.
| Parameter | Specification | Detail |
|---|---|---|
| OEM Number | 811W255030001 | Exact Match |
| Part Name | Stop Signal Switch HOWO T5G | Genuine HOWO |
| Brand | HOWO | Original Equipment |
| Application | HOWO T5G / T7H / A7 (brake pedal) | Brake light control |
| Voltage Rating | 24V DC | Truck electrical system |
| Current Rating | 5A (resistive) | Standard |
| Switch Type | Normally Open (NO) plunger | Spring-return |
| Thread Size | M12 x 1.5 | Precision-machined |
| Connector Type | 2-pin (Deutsch / AMP) | Weather-sealed |
| Operating Temperature | -40°C to +125°C | Extreme range |
| Weight | 0.03 kg | Lightweight |
| Warranty | 12 Months | Manufacturer Guarantee |
The 811W255030001 stop signal switch is built with a focus on longevity and reliability. Its plunger mechanism is manufactured from hardened steel, and the internal contacts are silver-plated to minimize resistance and prevent oxidation. The switch housing is made from a high-impact, heat-resistant polymer that protects the internal components from moisture, dust, and vibration. The switch is designed to provide a crisp, positive actuation with a defined tactile feel, ensuring that the driver receives clear feedback when the brake lights are activated. Each switch is factory-tested for contact resistance, insulation, and mechanical endurance, guaranteeing that it meets the rigorous demands of heavy-duty commercial vehicle applications.
The 811W255030001 is specifically designed for the HOWO T5G, but it is also compatible with many other HOWO models, including the T7H and A7 series, as well as Sinotruk vehicles that share the same brake pedal switch specification. It directly replaces the original switch with identical thread size, connector type, and electrical characteristics, ensuring a straightforward plug-and-play installation. The switch is compatible with both manual and automatic transmission configurations and works seamlessly with the vehicle’s ABS and stability control systems. To confirm fitment, always cross-reference the OEM number on your existing switch with 811W255030001. Keeping this switch in your spare parts inventory enables rapid repairs, minimising downtime and ensuring your brake lights are always operational.
HOWO T5G
Primary Fitment
HOWO T7H
Also Compatible
HOWO A7
Also Compatible
Direct Replacement
No Mods
Replacing a failing or worn stop signal switch with the 811W255030001 immediately restores the full functionality of your brake light system. The new switch ensures that your brake lights illuminate instantly and consistently, reducing the risk of rear-end collisions and keeping you compliant with safety regulations. The reliable electrical contact prevents intermittent operation, which can cause confusion for following drivers. The robust construction ensures that the switch maintains its performance over thousands of actuations, eliminating the need for frequent replacements. For fleet operators, a reliable stop signal switch reduces the risk of accidents and associated liability, while also simplifying maintenance. By investing in the 811W255030001, you are investing in the safety of your drivers and the reputation of your fleet.
Installing the 811W255030001 stop signal switch is a simple procedure that can be completed in minutes. Begin by locating the switch on the brake pedal assembly. Disconnect the electrical connector, then unscrew the old switch using a suitable wrench. Clean the mounting threads and apply a small amount of thread sealant if desired. Screw the new switch into place, ensuring it is tightened to the correct depth (refer to the service manual). Reconnect the electrical connector and test the brake lights by pressing the pedal. Adjust the switch position if necessary to ensure the lights come on with minimal pedal travel. Periodically inspect the switch and its wiring for signs of wear or corrosion. With proper installation, the 811W255030001 will provide years of trouble-free operation.
Pro Tip: When installing the new switch, ensure that the plunger is fully released before tightening the locknut. Over-tightening can damage the internal mechanism. The 811W255030001 is designed for a precise adjustment; always test the brake light operation after installation.
Genuine HOWO components are engineered to the highest standards, and the 811W255030001 stop signal switch is no exception. Aftermarket switches often use inferior contact materials, weaker springs, or imprecise dimensions, leading to premature failure, intermittent operation, and even short circuits. HOWO’s switch is manufactured using the same materials and processes as the original equipment, guaranteeing a perfect fit and reliable performance. By choosing the 811W255030001, you benefit from HOWO’s rigorous testing, including endurance, temperature cycling, and electrical performance tests. This ensures that the switch meets the demanding requirements of heavy-duty trucking. Moreover, genuine parts are backed by a comprehensive warranty and supported by HOWO’s global network, giving you confidence in your purchase.
OEM Authentic
Factory Quality
Long Service
Extended Life
Global Standard
Trusted Worldwide
Q: Which vehicles use the 811W255030001 stop signal switch?
A: The 811W255030001 is designed for HOWO T5G, T7H, and A7 models, as well as many Sinotruk trucks with the same brake pedal switch specification.
Q: What are the symptoms of a failing stop signal switch?
A: Brake lights that don’t illuminate, intermittent operation, or a constant brake light (even without pedal pressure) are common signs of a faulty switch.
Q: Does the switch come with the connector plug?
A: The 811W255030001 includes the switch body only. The connector is part of the vehicle’s wiring harness and is reused.
Q: How do I verify the correct part?
A: Check the OEM number on your existing switch. If it matches 811W255030001, this is the exact replacement. Consult your vehicle’s parts manual for additional confirmation.
Order your 811W255030001 Stop Signal Switch today! Explore our complete selection of genuine HOWO and Sinotruk electrical components at Howo/Sitrak truck parts and keep your brake lights reliable and your fleet safe.
The 811W255030001 Stop Signal Switch from HOWO is a testament to precision engineering and uncompromising quality. By choosing this genuine component, you ensure that your truck’s brake light system operates with the reliability, durability, and safety required for modern heavy-duty trucking. Whether you are a professional mechanic or a fleet manager, this switch offers the performance, reliability, and exact fit that you can count on. Trust HOWO – the benchmark for excellence in heavy-duty truck components – and experience the difference that genuine quality makes.
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