Description
110380-G - LOW OPENING RELAY VALVE (LOV-4, 1.5 PSI CRACK) - NEW
PART NUMBER(S):
Fleet Products: 110380-G (New) | Replaces OE: Sealco: 110380 | Haldex: 110380X | Meritor: RSL110380 | OE: S-17739, A103600, 170.110380, 170.110360
DESCRIPTION:
Model: LOV-4 Low Opening Service Relay Valve - 4 Port
Vehicles: Tandem-axle trailers using service brake chambers
• Crack Pressure: 1.5 PSI
• Control Port: 3/8" NPT
• Delivery Ports: Four 3/8" NPT
• Reservoir Port: 3/4" NPT
• Mounting: Nipple mount
• Body: Corrosion-resistant aluminum housing
Applications:
Designed for tandem-axle trailer service brake systems requiring a low-opening relay valve for faster, balanced brake application. It is typically replaced when the valve leaks, responds slowly, delivers uneven pressure, or no longer maintains the specified 1.5 PSI crack pressure.
CROSS-REFERENCE(S):
110380XBXR, 110380SEA, 110365, 110360, 680-110380, 0587-110380P, 401131, 51442, 39540343, 55110380, AM170110380, AM170110360, 321246, 14524, TV110380, AV110380, E-SL110380, ESL110380, TDARSL110380, S17739, SEA-110380, SE0110380, 802609E, K110380
A cross-reference listing means this part may be a suitable replacement for the listed part numbers. Always verify fitment before installation.
IMPORTANT INSTALLATION NOTES:
✔ Use only on tandem-axle trailer service brakes requiring a 1.5 PSI low-opening valve.
✔ Confirm the 3/8" control and delivery ports and 3/4" reservoir port before installation.
✔ Do not use on converter dollies, lift axles, or turntable axles unless specifically approved.
✔ Tighten fittings to OEM specifications and avoid overtightening the aluminum housing.
✔ Charge and leak-test the brake system, then verify balanced service brake application.
Warranty Information