Description
286364-G – SPRING BRAKE VALVE
PART NUMBER(S):
Fleet Products: 286364-G
OE: 286364, 286364RX, 286364BXW
Automann: 170.286364
DESCRIPTION:
Model: SR-1 Spring Brake Valve
Vehicles: Used in pre-FMVSS 121 dual-circuit brake systems on trucks and tractors
• Valve Type: Spring brake valve, SR-1 equivalent
• Actuation Type: Pneumatic, automatic
• Function: Supplies limited hold-off pressure (90–95 PSI) to spring brakes; modulates spring brake application if rear service brakes fail
• Supply Port: 1/4" NPT
• Delivery Ports: 3/8" NPT
• Reservoir Port: 1/2" NPT
• Service Ports: 2 × 1/4" NPT
• Exhaust Port: Not specified in source
• Mounting Style: Bracket mount
• System Fitment: Pre-121 dual-circuit air brake systems for heavy-duty tractors/trucks
• Operating Pressure Trip Point: 55 PSI (reservoir trip pressure)
• Material: Cast aluminum body with internal pneumatic components
• Unique Features:
• Limits spring brake release to 90–95 PSI
• Provides proportional application during rear brake pressure loss
• Direct replacement for Bendix SR-1, OEM-grade design
Applications:
Ideal for commercial vehicles requiring spring brake hold-off and modulated application in failure scenarios. Bracket-mounted in systems predating FMVSS 121 compliance, this valve ensures safe parking brake actuation under variable pressure conditions.
CROSS-REFERENCE(S):
286364, 286364N, 286364RX, 286364BXW, 286364CX, 287278, 103876, 288063, 3653, 745286364N, 8235R955286364N, S-A272, SA272, GN286364, OR286364X, 170.286364, 170286364, 286365, 286634, 286634X, 286834, 286893, 287252, 288364, 288364X, 34029, 34030, 459271C92, 4TA291, 5396KN28030, 717894, 7224035002, 729020002, 745286364, 745OR286364X, 767653010649, 782030001, 87278, 90001270, 932050, 9718990010, 9718990040, 9718990050, AV286364, BBH286364CX, BBH288063CX, BE286364, BESR1, BG286364X, BGKN28030, BH286364X, BP286364, BV286364X, BW286364, BWBWR286364, BWR286364, BWR286364X, BWSR1, BX104535, BX286364, BX286365, BX286834, BX286893, BX287252, BX287278, BX288063, BX288063X, BXR286364, BXR287278, BXR288063, BXR288063X, BXSR1, BXX286364, D5HA2B431AA, D5HZ2B431A, EBN286364, EBN288063X, EM36530, FVBWR286364, K295-187, KN28030, KN28030X, LIV3753, MB286364X, MD286364X, MIKN28030, MPN20950AA, N20950, OR286364X, P286364, R286364, R287278, R288063, R955286364N, SA272, S-A272, TR286364, TDAR955286364, 034030, 20QE3110R, 20QE1278R, 20QE311AR, 20QE3142R, 00716286364N, 1482102680, 76507-1, 5994884, 1576014, 20-QE-3110-R, K295-127, 1693173C91A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Mount securely using bracket per OEM installation orientation
✔ Confirm hold-off pressure functionality (90–95 PSI) post-install
✔ Check for proper reservoir port threading (1/2" NPT)
✔ Replace existing SR-1 units with direct plumbing match
✔ Review vehicle-specific air diagrams for valve positioning
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