The part is a critical electrical control unit that monitors and signals the transmission gear position on the HOWO Max4X2 tractor. This assembly comprises pressure switches and neutral/back‑up switches that communicate with the vehicle’s electronic control unit, enabling safe starting and reversing functions. The part is engineered to deliver precise and reliable switching signals, ensuring optimal performance and driver safety in all operating conditions.
At howo Parts, we supply a complete Electric switch assemby that includes all essential subcomponents: Pressure switch, Neutral switch, Back gear switch, and Seal washer. Each element of this Electric switch assemby is manufactured to original equipment tolerances, ensuring a perfect fit and dependable operation. The part is designed to withstand the vibration, temperature, and contamination typical of heavy‑duty trucking environments.
This Electric switch assemby simplifies replacement by providing a matched set of switches and seals. With correct installation and periodic inspection, The part delivers consistent electrical signals, reduces diagnostic errors, and extends the life of the transmission control system. Trust our Electric switch assemby to keep your HOWO Max4X2 shifting safely and reliably for millions of kilometres.
Pressure switch monitors air or hydraulic pressure in the clutch or transmission system, providing a signal to the ECU. It is a key sensing element of The part.
Neutral switch (normally closed) indicates when the transmission is in neutral, allowing engine start. It is a safety component of The part.
Back gear switch (normally open) signals reverse gear engagement, activating reverse lights and audible warnings. It is a vital part of The part.
Seal washer is a copper or composite ring that ensures a leak‑proof seal at the switch mounting ports, preventing oil or air leaks in The part.
| Material Encoding | Name |
|---|---|
| WG9100710069 | Pressure switch |
| WG2209280004 | Neutral switch |
| WG2209280003 | Back gear switch |
| WG2209280001 | Seal washer |
Every component in our Electric switch assemby is manufactured to the same standards as the original equipment. We use high-grade materials and precision calibration to ensure reliable switching and long service life.
The part provides precise electrical signals to the ECU, ensuring correct starting interlock and reverse lighting. Our switches are tested for consistent contact resistance and durability.
We supply The part as a comprehensive set, including all necessary seal washers. This simplifies ordering and speeds up your repair or maintenance work.
Our inventory of Electric switch assemblies is ready for immediate dispatch, and our technical team is available to assist with installation and troubleshooting.
The part is essential for safe vehicle operation, preventing engine start in gear and providing reverse warning signals. A faulty Electric switch assemby can lead to starting problems or lack of reverse lights, compromising safety. Regular testing and timely replacement of this Electric switch assemby ensure compliance with safety regulations and driver confidence.
The part is built to resist moisture, dust, and temperature extremes. The Seal washer and robust housing protect the internal contacts, ensuring stable electrical performance even in harsh under‑vehicle conditions.
When installing The part, clean the mounting threads and apply a suitable sealant if required. Torque the switches to the manufacturer’s specifications and ensure the Seal washers are correctly positioned to prevent leaks.
We recommend inspecting The part every 50,000 km. Check for signs of oil or air leakage around the switches, test the electrical continuity, and replace any switch that shows erratic behaviour.
Our Electric switch assemby is specifically designed for the HOWO Max4X2 tractor, fitting all variants with the standard transmission control system. The switch thread sizes and electrical connectors match the original factory specifications.
Each Electric switch assemby component is inspected for dimensional accuracy, electrical performance, and seal integrity. We back our product with a comprehensive warranty against manufacturing defects.
We maintain a large stock of Electric switch assemblies and individual switches, allowing same‑day dispatch. Bulk orders and customised kits are available for fleet operators.
Choosing our Electric switch assemby reduces the risk of starting issues and electrical faults. The durable construction ensures consistent signal quality and extended service intervals, saving you money on repairs and downtime.
Aftermarket switches may have incorrect pressure ratings or poor sealing, leading to premature failure. Our Electric switch assemby is engineered to the exact OEM specifications, giving you peace of mind and reliable operation.
The part is designed to work seamlessly with the vehicle’s 24V electrical system. Its contact rating and switching characteristics match the original design, ensuring that the ECU receives the correct signals for engine start and reverse indication.
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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