Description
AFTERMARKET SEALCO RELAY VALVE (4 DELIVERY PORTS) – 4.0 PSI CRACK PRESSURE
PART NUMBER(S):
Fleet Products: 110415-G (New) | OE (Sealco): 110415 | Bendix: R-12, R-6 | Euclid: ESL110415 | Meritor: RSL110415
DESCRIPTION:
Model: Air Brake Relay Valve – 4 Delivery Ports
Vehicles: Heavy-duty tractors and commercial trailers (multi-axle service applications)
• Control Port: 3/8" NPT
• Reservoir Port: 3/4" NPT
• Delivery Ports: (4) x 3/8" NPT
• SAE J1860 Tag: RV040
• Nominal Crack Pressure: 4.0 PSI
• Mounting: Nipple-mounted (6003 or 6006)
• Valve Type: Non-ABS, service/relay valve
• Alternate Version: Bracket-mount available as 110416
• Construction: OEM-grade aluminum body, no repair kits available
Applications:
Is this relay valve built for your multi-axle trailer or heavy-duty truck? Yes—this aftermarket Sealco 110415-G ensures rapid, even brake response across four chambers, ideal for tandem axle and multi-axle systems. Its 4.0 PSI crack pressure and 4-port design maintain balanced air distribution from the reservoir, improving brake timing and system performance on demanding commercial fleets.
CROSS-REFERENCE(S):
110415, 110139, 110450, 110600, 102626, 065104, 279952, 280651, E-SL110415, 12343, 12345, A103600, A86477, A85490, A97600, RG4, RS2, S-17740, K110415, 401132, 51444, AE78889, Wagner RS2, Wagner RG4, Berg 12343, Berg 12345, Bendix R-12, Bendix R-6, Haldex A103600, Haldex A86477
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 4.0 PSI crack pressure matches your existing valve to maintain brake balance.
✔ Use correct NPT fittings for all ports: 3/8" delivery, 3/4" reservoir, 3/8" control.
✔ Replace as a complete valve assembly—no internal service kit available.
✔ For bracket-mounted applications, use Sealco 110416 variant.
✔ When replacing Wagner RS2/RG4 valves, a 140270 pressure protection valve may be required.
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Warranty Information
