A4490-G | Manual Transmission Range/selector (Chrome Finish, 3 Pos DIR-INT-LO)

A4490 – MANUAL TRANSMISSION SELECTOR VALVE

PART NUMBER(S):
Fleet Products: A4490-G | OE: A4490, A-4490, 20QE2170 | Automann: 174.4490

DESCRIPTION:

Model: Manual Transmission Selector Valve
Vehicles: Eaton Fuller, Mack, Navistar, and compatible heavy-duty truck manual transmissions
• Valve Type: Transmission selector valve (range/slave function)
• Actuation Type: Manual air-actuated (selector knob or lever)
• Port Sizes: All ports 1/16" PT (NPT) – 0.0625" thread diameter
• Positions: 3-position range selector
• Function: Supplies pressurized air to shift transmission range (high/low) when gear lever moves through range detent
• Mounting: In-cab, selector/knob mount
• Weight: Approx. 12.7 oz
• Finish: May include red selector switch
• Unique Features:
  – Direct-fit replacement for multiple OE and aftermarket part numbers
  – Compatible with legacy Fuller RT/RTLO 13-speed transmissions
  – Can replace A4490, A6913, A4900 and similar part numbers
• System Fitment: Eaton Fuller Roadranger, Mack, Navistar, and other vocational/manual transmission systems

Applications:
Designed for heavy-duty manual transmissions in vocational, long-haul, and construction fleets requiring a robust in-cab range selector. Specifically compatible with Fuller 13-speed RT/RTLO gearboxes.

CROSS-REFERENCE(S):

A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.

IMPORTANT INSTALLATION NOTES:
✔ Mounts in cab to shift knob or console assembly
✔ All ports must be properly sealed with 1/16" NPT thread-compatible fittings
✔ Verify selector lever alignment and range detent engagement
✔ Test air circuit operation before road use
✔ Suitable for use in RT/RTLO 13-speed transmission applications

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