Description
PART NUMBER(S):
Fleet Products: 110170-G (New) | OE: Sealco 110170, Meritor RSL110170, 110180, 110190, 111170, 111180, 111190, 112170, 112180, 112190, B.F.G. 16598 , 110180, 110190, 111170, 111180, 111190, 112170, 112180, 112190, 16598
DESCRIPTION:
Model: Ratio Relay / Spring Brake Control Valve
Vehicles: Trailers with dual air reservoirs for spring and service brake systems
• Supply Port: 3/8" NPT
• Control Port: 3/8" NPT
• Reservoir Ports (A & B): (2) x 1/2" NPT
• Delivery Ports: (4) x 3/8" NPT
• Port Orientation: Supply & control ports offset 90° from reservoir ports
• Function: Combines spring and service brake functions, using a protected reservoir system that maintains air supply from the secondary tank in case of a single circuit failure
Applications:
Is this valve compatible with your trailer’s air brake system? Yes—this remanufactured Sealco 110170-G ratio relay valve is engineered for trailers requiring dual-reservoir control of parking and emergency brakes. It maintains consistent air delivery and balanced braking performance while protecting against single-circuit air loss.
CROSS-REFERENCE(S):
110120, 110140, 110147, 110170, 110180, 110190, 111180, 111190, 112170, 112180, 112190, 101112, 101121, 101622, 287375, 287376, 2991080, AV110170, E-SL110170, ESL110170, ESL110170X, BW110170X, SLC110170, GTA110170, BWPM-110170, SEA110170, TRS51301, 12360, 12361, K110170, RSL110170, WA110170, TWD110170, 55110170, S-11417, 401185, TV110170, SA110170, SE110170, 39540500
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Confirm all 3/8" and 1/2" NPT port orientations match your existing valve.
✔ Verify dual-reservoir setup for proper operation.
✔ KN26000X valve may be used as a substitute for this application.
✔ Apply thread sealant to all NPT fittings during installation.
Warranty Information
