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The WABCO Air Brake Pressure Protection Valve keeps a primary air circuit protected when a secondary circuit's demand, or a developing leak, would otherwise pull air away from it. This kind of protection matters most on multi-circuit trucks where accessories, trailer supply lines, or auxiliary equipment share air with the service brakes. Once the primary circuit reaches its set pressure, the valve opens and lets air flow onward, so the main service brakes are never left waiting on a secondary demand. Fleet technicians specify the WABCO 9750090040 whenever a truck's circuit-protection logic needs a dependable, direct-fit replacement.
| Brand | Part Number |
|---|---|
| MERITOR | S9750090040 |
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Whether it’s for cars, buses, trucks, or trailers, WABCO® is at the frontline at developing and providing products and systems to make vehicles safer and easier to control. Founded in 1869, WABCO is a major supplier of braking, stability, suspension and transmissions in the Americas and beyond. The company is recognized as introducing the modern air brake system in 1869, and continues to lead the industry in air brake design and production for the heavy duty and commercial vehicle sectors. Today, WABCO operates as a division of the German auto parts maker ZF and employs 16,000 employees in facilities in 36 countries worldwide.
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