Description
110500 | SPRING BRAKE CONTROL VALVE
PART NUMBER(S):
Fleet Products: 110500 | Replaces OE: Sealco: 110500 | Haldex: 110500X | Meritor: RSL110500 | Bendix: K025778 | Fontaine: 55710035 | Tramec Sloan: 51301 | Dayton Parts: AV110500 | Freightliner: BWK025778 | Euclid: ESL110500 | TRAMEC: TEV 51301, TRA51301 | World American: WA110500 | Genuine Newstar: S-20219 | Automann: 170.11050 | BENDIX: 065437, 065438, 065439, 065440
DESCRIPTION:
Model: Spring Brake Priority Control Valve
Vehicles: Commercial trailers, tandem axle spring brake systems
• Supply Port: 3/8" NPT
• Control Port: 3/8" NPT
• Reservoir Port: 1/2" NPT
• Delivery Ports: 3/8" NPT (2–4, see variants)
• Nominal Crack Pressure: ~4.0 PSI
• Function: Spring brake priority design releases spring brakes first, then fills reservoir at ~80 PSI
• Built-in pressure protection prevents brake compounding
Applications:
Designed for single and tandem axle trailer spring brake systems. Used across utility, livestock, flatbed, and commercial cargo trailers requiring spring brake priority function.
CROSS-REFERENCE(S):
Sealco 110500, Bendix K025778, Haldex 110500X, Meritor RSL110500, Fontaine 55710035, Tramec Sloan 51301, Dayton AV110500, Freightliner BWK025778, Euclid ESL110500, Triangle TRA51301, World American WA110500, Genuine Newstar S-20219, Automann 170.1105
A cross-reference listing means this part should be a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Ensure supply, control, and delivery ports match old valve specs before installation
✔ Mount with correct nipple or bracket (110505/110510 variants for plugged ports)
✔ Verify crack pressure rating matches system requirement (4.0 PSI)
✔ Use appropriate thread sealant on NPT ports
Warranty Information
