Description
110570 | CONTROL LINE VALVE
PART NUMBER(S):
Fleet Products: 110570 (New) | OE: Sealco 110570, Haldex RB000, Meritor RSL110570
DESCRIPTION:
Model: Control Line Valve with Dolly Port
Vehicles: Converter dollies, turntable axles, pull/transfer/B-train type trailers
• Control Port: 3/8" NPT
• Reservoir Port: 1/2" NPT
• Delivery Ports: 3/8" NPT (two active)
• Dolly Port: 3/8" NPT (balanced signal output)
• Number of Ports: 4
• Nominal Crack Pressure: 0.0 PSI
• Mounting: Includes bracket (110570), bracket reversed (110571), no bracket (110690)
• Construction: Heavy-duty metal body with internal check valve
• Function: Provides balanced control line signal for multi-axle trailers, speeds brake application/release, reduces brake drag
• Compliance: Meets FMVSS 121 Docket 90-3
Applications:
Primarily used on dollies, turntable axles, and B-train combination trailers. Designed to provide balanced control line pressure for uniform braking across multiple axles. Eliminates premature steer axle braking, enhances lateral stability, and improves brake release to prevent drag.
CROSS-REFERENCE(S):
Sealco 110570, Sealco 110571, Sealco 110606, Sealco 110690, Haldex RB000, Meritor RSL110570, Euclid ESL110570, Aurora SEA110570, Automann 170.110570, TRP TRP110570, FleetPride FP110570, Traction SEL110570, World American WA110570, Genuine Newstar 110370, SEA110570, GTA-110570, KN28300, KN28300X, MBI287114X, H287114X, 287114, 287114R, E-SL110570, 55110570, RB-110570, 51401, 51402, 650-RSL110570A 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:
✔ Plug all unused ports before installation
✔ Delivery port marked “Dolly” must be used for dolly or turntable axle control
✔ Verify bracket orientation (110570 standard, 110571 reversed, 110690 no bracket)
✔ No repair kits available — valve must be replaced as a complete unit
✔ Install per FMVSS 121 Docket 90-3 compliance standards
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Warranty Information
