Description
110580 | CONTROL LINE VALVE
PART NUMBER(S):
Fleet Products: 110580 (New) | OE: Sealco 110580, Haldex KN28300, Meritor RSL110580
DESCRIPTION:
Model: Control Line Booster Valve (FAB – Fast Air and Balancing)
Vehicles: Multi-axle trailers, converter dollies, extended wheelbase trailers, sliding tandem trailers
• Control Port: 3/8" NPT
• Reservoir Port: 1/2" NPT
• Delivery Ports: 3/8" NPT (two active)
• Number of Ports: 4
• SAE J1860 Tag: RB000
• Nominal Crack Pressure: 0.0 PSI
• Mounting: Standard bracket (110580); variations include top-mounted (110582), 90° down (110588), with check valve (110605), and no bracket (110790)
• Dimensions: Height 3.94″, Width 4.38″, Length 5.44″
• Weight: ~2.4 lbs
• Construction: Heavy-duty aluminum and steel
• Function: Booster valve improves air delivery and release timing, provides a balanced control line signal for multi-axle vehicles
• Compliance: Meets FMVSS 121 standards
Applications:
Engineered for trailers designed to tow other trailers, long wheelbase sliding tandems, and specialty multi-axle configurations. This control line valve enhances service brake timing in rearmost axles, ensures uniform braking, prevents premature steer axle application, and reduces brake drag complaints.
CROSS-REFERENCE(S):
Sealco 110580, Sealco 110582, Sealco 110588, Sealco 110605, Sealco 110790, Haldex KN28300, Haldex KN28300X, Meritor RSL110580, Automann 170.110580, Aurora SEA110580, Aurora ESL110580, Traction SEL110580, World American WA110580, Euclid ESL110580, SA110580, E-SL110580, SC110580, 109001, 109002, 3100, 046028900000, 39540580, 13010668, 287114, 287114R, MBI287114X, H287114X, 51401, 51402, P6760-0019, E7088455, A100042364, AMMTRRSL110580, 12900315, MTRRSL110580, 10003891, SL110580, SL-110580, 10015403, HYU10003891, 41903001, 4006110580, 955079CX, 955079CRXA 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
✔ Ensure bracket orientation matches installation (standard, top, 90°, or none)
✔ No repair kits available — valve must be replaced as a complete unit
✔ Verify balanced dolly/delivery ports are plumbed to the correct service line for uniform braking
✔ Install per FMVSS 121 compliance standards for multi-axle vehicles
WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?
• Canadian-owned since 1985• Trusted by fleets, mechanics, and B2B partners across North America
• Fast, Reliable Shipping Across North America
• Competitive pricing with Core Return Refunds
• Price Match Guarantee | Find a better price? We'll beat the difference by 10%!
Warranty Information
