This OEM WG9000360520 brake master valve is the core control component of the pneumatic braking system for Sinotruk HOWO and Steyr heavy trucks. It controls the output of brake air pressure according to the pedal input, realizing balanced and synchronous braking of the whole vehicle.
Made of high-strength alloy and precision rubber seals, it features good air tightness, stable pressure output, strong anti-vibration and long service life. The structure is designed to adapt to harsh working conditions such as dust and humidity.
Manufactured in full accordance with OEM standards, it has standard mounting holes and air ports for direct replacement without modification. It effectively solves problems such as weak braking, asynchronous braking and air leakage.
It is an ideal replacement part for truck repair shops, fleet maintenance and heavy truck brake system parts wholesalers worldwide.
