A3546-G | Transmission Range Push-pull Valve (Hi-Low OLD STYLE 7, 8, 9, 10 Speed, Fuller Style)

A3546 – FULLER TRANSMISSION RANGE PUSH-PULL VALVE, 1/8" NPT

PART NUMBER(S):
Fleet Products: A3546, A3546-G | OE: A-3546, A3130, FULA-3546 | Automann: 174.3546

DESCRIPTION:

Model: Transmission Range (Hi-Low) Push-Pull Valve
Vehicles: Compatible with Eaton Fuller, Mack, Navistar, Ford, Renault, and IVECO manual transmission trucks
• Valve Type: Hi-Low transmission shift valve (manual air control)
• Function: Push-pull style valve used to control hi/low range shifting in Fuller manual transmissions
• Inlet Port: 1/8" NPT
• Outlet Port: 1/8" NPT
• Material: Metal alloy construction for durability in demanding environments
• Actuation: Manual push-pull knob operation
• Dimensions: Approx. 4" x 4" x 4"
• Weight: ~0.6 lb
• System Compatibility: Suited for Eaton Fuller transmission air systems and other compatible heavy-duty manual transmissions
• Unique Features:
  – Direct-fit replacement for over 10 OE and aftermarket crosses
  – Maintains precise air regulation for smooth range shifting
  – Rugged design for fleet and severe service environments

Applications:
Used for range shifting in Fuller-style transmissions across heavy-duty truck brands. The push-pull valve controls the flow of compressed air between high and low transmission ranges and is mounted within driver reach in the cab.

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:
✔ Connect inlet and outlet ports to 1/8" NPT air lines using thread sealant
✔ Ensure valve is mounted within driver reach for shift operation
✔ Replace any cracked or leaking hoses to avoid range shift failure
✔ Verify full actuation and spring return function before completing install
✔ Use only dry, filtered air to maximize component lifespan

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