287376-G | Spring Brake Valve (SR-2 Style)

SPRING BRAKE VALVE (2)

PART NUMBER(S):

Fleet Products: 287376-G | OE: 287376 | Automann: RB-287376

DESCRIPTION:

Model: SR-2 Trailer Spring Brake Valve
Vehicles: Trailers with dual air brake systems
• Valve Type: Spring brake valve (SR-2 type)
• Reservoir Mount: 3/4" NPT male pipe thread
• Supply Port: 1/4" NPT
• Delivery Ports (4): 3/8" NPT
• Service Reservoir Ports (2): 1/4" NPT
• Exhaust Port: 3/8" NPT
• Brake Charging Priority: Service brake priority
• Opening Pressure: 50–65 PSI
• Anti-Compounding: Not supported—no trailer service port
• Compliance: Meets FMVSS-121 standards
• Construction: OEM-grade, designed for trailer reservoir mounting
• Performance: Allows spring brake release at least once before full application
• Application Specifics: Controls both parking and emergency brake functions on trailers
• Safety Feature: Supplied with thread-protective safety caps
• Design Note: Dedicated spring brake reservoir operation (not shared with service reservoirs)

Applications:
Designed for use on dual air system trailers, this SR-2 spring brake valve mounts directly to the trailer reservoir and controls the application and release of spring brakes for parking and emergency situations. It isolates reservoir failures and does not support anti-compounding.

CROSS-REFERENCE(S):

287376, 170.287376, RB-287376, 287376N, 287376R, 287376RX, SR-2, 287375, 034032, WA287376, R955287376, R955287376N, EBN287376N, EBN287376X, 270-EBN287376N, 270-EBN287376X, 745-287376, AV287376, K287376, S-A150

A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.

IMPORTANT INSTALLATION NOTES:

✔ Mounts directly to trailer reservoir via 3/4" NPT male thread
✔ No trailer service port—does not support anti-compounding
✔ Ensure 50–65 PSI minimum for spring brake release before full application
✔ Always install with protective safety caps in place until mounting
✔ Validate port orientation and function per trailer brake schematic
✔ Replacement fitment confirmed for SR-2 valve applications

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