Description
RELAY VALVE (2 DELIVERY OLD STYLE)
PART NUMBER(S):
Fleet Products: 110197-G (New) | OE: Sealco 110197, H110197X, MID110197X
DESCRIPTION:
Model: Two-Port Service Relay Valve – Non-ABS
Vehicles: Tractor and trailer brake systems with dual reservoir air circuits
• Supply Port: 1/2" NPT
• Delivery Ports (2): 3/8" NPT
• Control Port: 3/8" NPT
• SAE J1860 Tag: RV040
• Crack Pressure: 4.0 PSI
Applications:
Is this relay valve right for your trailer or tractor’s air brake system? Yes—built to OE form and function, the aftermarket Sealco-style 110197-G reliably applies and releases service brakes on non-ABS dual-reservoir systems. It’s engineered for fleets seeking consistent brake timing, smooth response, and dependable performance under heavy-duty operation.
CROSS-REFERENCE(S):
H110197X, SEA110197, MID110197X, PRO110197X, 110197XBXR, 745-110197X, BAR110197X, BW R110197X, BW 110197X, BX110197X, 680-110197SEA, AV110197, E-SL110197, ESL110197, SLC110197, GTA-110197, K110197, WA110197, TWD110197, S17737, RB-110197, SA110197, SE110197, 103009, KN28510, HALKN28510, HALKN28550, MTAKN28500, MTAKN28510, MTAKN28520, 12341, 12346, KN28500, KN28510X, KN28520, KN28550, KN28551, RG2, RG5, WAKN28510, MBIKN28510, HNK28510, 55110197, 103009BXR, 103009BXW, KN28550M1D, RB110197, 110410, TV110197, 51442, 39540281, A80070, AE78889
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:
✔ Verify port sizes and locations before installation to ensure correct plumbing alignment.
✔ Mount using 6002 or 6006 nipple to maintain proper spacing and sealing.
✔ Confirm crack pressure (4.0 PSI) meets your system’s requirements.
✔ Not serviceable internally—replace as a complete valve if defective.
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Warranty Information
