Description
A4490-G - EATON FULLER MANUAL TRANSMISSION SELECTOR VALVE
PART NUMBER(S):
Fleet Products: A4490-G | Replaces OE: Eaton Fuller: A4490, A-4490 | Automann: 174.4490 | Mack: 20QE2170, 20QE2170A | International: 490695C91
DESCRIPTION:
Model: Eaton Fuller Manual Transmission Selector Valve
Vehicles: Heavy-duty trucks using compatible Eaton Fuller manual transmission air-shift systems
• Valve Type: Manual transmission range selector valve
• Selector Positions: Three
• Port Threads: 1/16" NPT
• Actuation: Manually operated selector lever or knob
• Mounting: In-cab shift knob, selector, or console installation
• Function: Directs compressed air to the transmission range-shift circuit
• Transmission Application: Compatible Fuller RT and RTLO 13-speed configurations where the original valve and port arrangement match
• Selector Identification: May use a red selector switch depending on the installation
Applications:
Designed for compatible heavy-duty manual transmission systems requiring a three-position pneumatic selector valve. The valve controls air flow to the transmission range mechanism as the driver operates the selector through its designated positions.
CROSS-REFERENCE(S):
3088-A4490, EF36890, A6913, A-6913, A4900, A-4900, KA6913, S-C461, 032404, 174.6913, M-A6913
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:
✔ Depressurize the transmission air circuit before removing or installing the valve.
✔ Mark each air line before removal and reconnect it according to the transmission air schematic.
✔ Confirm all connections use the correct 1/16" NPT fittings before installation.
✔ Verify proper selector alignment and unrestricted movement through all three positions.
✔ Test high-range, low-range, and selector operation for correct shifting and air leakage before returning the vehicle to service.
Warranty Information
