Description
SEALCO AUTOMATIC SHUT-OFF VALVE – PUSH/PULL TYPE (1/4" PORTS)
PART NUMBER(S):
Fleet Products: 99600B-G (New) | OE: Sealco 99600, SEL99600, 99600B | Meritor: RSL99600 | Euclid: ESL99600 | Freightliner: TDA RSL99600
DESCRIPTION:
Model: Automatic Shut-Off Valve (Dash-Mounted Push/Pull Type)
Vehicles: Heavy-duty tractors, trucks, and buses with air brake systems
• Inlet Port: 1/4" NPT
• Outlet Port: 1/4" NPT
• Exhaust Port: 1/8" NPT
• Knob: 13 (AB8343KB compatible)
• Name Plate: 806 (Emergency/Control Function)
• Shut-Off Pressure: 25–35 PSI (Automatic shut-off range)
• Mounting: Two-hole dash/panel mount
• Shuttle Assembly: 99600-5
• Minor Repair Kit: 996-5
• Weight: ~0.74 lbs
• Dimensions: Height 3.18", Width 2.31", Depth 1.56"
Function:
Automatically closes (shuts off) when inlet pressure drops below 25–35 PSI, ensuring spring brake activation under low-pressure conditions. Commonly used as a manual on/off dash valve for parking or emergency brake control in truck, tractor, and bus cabs. Includes knob, faceplate, and mounting hardware.
Applications:
Is this valve right for your vehicle? Yes—ideal for drivers seeking a reliable push-pull control valve for parking brake systems. The Sealco SEL99600 ensures consistent shut-off performance, protecting your air system from pressure loss while maintaining safe brake application in tractors, buses, and vocational trucks.
CROSS-REFERENCE(S):
99600, 99600B, 99600BL, SC99600BL, 99600-2, 9366490120, 9366490130, RKN20031, MIDKN20031, ESL99600X, KN20031, GTA20031, 4194317016, 4036071, 4036072, KN20030, N20928A, N20928B, N20928CL, N20928CM, N20928CN, N20928CP, N20938CK, 929634C91, 9366490120, 200499C1, 338916C91, 502699C91, 990189C91, LPP-5613, SA276, 110189, 767653009926, 034055, WM673A
A cross-reference listing means this valve is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Mount using standard two-hole dash configuration.
✔ Use approved thread sealant on all NPT ports.
✔ Verify automatic shut-off range (25–35 PSI) for compatibility with existing air systems.
✔ Replace shuttle assembly (99600-5) or use repair kit (996-5) if maintenance is required.
✔ Ensure proper knob and faceplate orientation for driver clarity.
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Warranty Information
