Introduction

WG2209280024 HighLow Range Pressure Switch is an original high-precision transmission sensor component specially manufactured for SINOTRUK heavy-duty trucks. As a core part of the gearbox pneumatic control system, it accurately senses and monitors the air pressure of high and low gear switching, outputs real-time electrical signals to control the normal shifting of high and low range gears. It effectively solves common faults such as difficult gear shifting, gear jumping and unresponsive range switching caused by abnormal pressure, ensuring smooth and stable gearbox operation during heavy-load driving and frequent shifting. It is an essential replacement part for SINOTRUK truck transmission maintenance.

Key Features

✅️Exact OEM Fit & Full Compatibility 

Manufactured according to official SINOTRUK OEM specifications with standard part number WG2209280024. It perfectly matches HOWO heavy trucks, 6X4 truck cranes, water tank trucks and dump trucks. Features standard mounting size and interface for direct plug-and-play installation without cutting or modification.

✅️Ultra-Sensitive Pressure Detection 

Built with high-precision sensing core components, the switch can instantly capture tiny air pressure fluctuations inside the gearbox pneumatic circuit. It ensures timely and accurate high/low range switching, effectively eliminating gear lag, stuck gears and unresponsive shifting issues during full-load operation.

✅️Heavy-Duty Industrial Quality 

Adopts high-hardness anti-aging shell and wear-resistant internal precision parts. It is capable of resisting long-term road vibration, high air pressure impact and extreme temperature changes, maintaining stable working performance in mining, construction and long-distance transportation scenarios.

✅️Optimize Gearbox Working Status 

Stabilizes the pneumatic control logic of the transmission system, avoids abnormal pressure impact that causes internal gear and synchronizer wear. It greatly reduces transmission breakdown frequency and effectively prolongs the overall service life of the truck gearbox assembly.

✅️Reliable & Cost-Effective 

Every unit undergoes strict pressure resistance and switching cycle tests. With stable working performance, low failure rate and affordable price, it is a high-quality choice for global truck parts wholesalers and after-sales service institutions.

Detail&Packaging

☎️

Contact with clear photo of engine nameplate or chassis number:

Linda Zhang

Whatsapp:+86 176 6066 8410

EMAIL:sales16@chinatruck.cc