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Bendix  |  SKU: 286364

286364 | Genuine Bendix® SR-1 Spring Brake Control Valve

$13500
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ConditionNew
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A Spring Brake Control Valve 286364 is a pneumatic valve used in heavy-duty truck, bus, and trailer air-brake systems to control the application and release of spring brakes. It regulates compressed air supplied to the spring brake chambers, allowing the parking brakes to release when sufficient air pressure is available and helping apply them when air pressure is lost.

General Specifications

Condition New
Part Number 286364 
Brand Bendix
Fits Mack, International / Navistar, Freightliner, Peterbilt, Kenworth


Specifications

Mounting
Ø.345 IN (2x) 
Supply Port
1/4-18 NPT 
Primary Reservoir Port
1/4-18 NPT 
Control Port
1/4-18 NPT 
Delivery Port
1/4-18 NPT 
Exhaust Port
Dust Shield 
Spring Brake Hold-Off Pressure
95 PSI 
Reservoir Modulation Pressure
55 PSI 
Anti-Compounding
No 
Regulatory Compliance
FMVSS 121 
Maximum Operating Temperature
200 °F (93 °C) 
Minimum Operating Temperature
-40 °F (-40 °C) 


Purpose & Function

 

  • Controls parking brakes: Regulates air pressure to release or apply the spring brakes.

  • Provides fail-safe braking: Allows powerful mechanical springs to apply the brakes when air pressure drops below the required level.

  • Manages air pressure: Directs compressed air to the appropriate brake circuits.

  • Supports vehicle safety: Helps prevent unintended vehicle movement when parked.

  • Coordinates brake operation: Works with other pneumatic brake components to support proper parking and emergency braking functions.


Signs of a Bad Spring Brake Control Valve

 

  • Parking brakes won't release: The brakes remain engaged despite adequate air pressure.

  • Parking brakes won't apply properly: The vehicle may not hold securely when parked.

  • Air leaks: Audible hissing may occur around the valve or its connections.

  • Slow brake response: Spring brakes may apply or release more slowly than normal.

  • Low air pressure: A leaking or malfunctioning valve may contribute to air loss in the braking system.

  • Unexpected brake application: The brakes may engage if the valve fails to maintain the required air pressure.

  • Inconsistent operation: The parking brake may work intermittently or respond unpredictably.


About Bendix

Bendix is a leading manufacturer of air brake systems, safety technologies, and control components for commercial trucks, buses, and trailers. Known for innovations in braking, stability, and traction control, Bendix supplies OEM and aftermarket parts across North America. It is a subsidiary of Knorr-Bremse, a global leader in braking systems.

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