Description
Expansion Valve, O-Ring, 9/16″ Inlet for Massey Ferguson & Komatsu
Expansion Valve, O-Ring, 9/16″ Inlet for Komatsu, Massey Ferguson replaces OEM numbers 3901177M91, 425-963-2180. R12 and R134a Compatible. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Komatsu Wheel Loader: WA250-1, WA320-1, WA350-1, WA380-1, WA450-2 – Replaces OEM Number 425-963-2180
Fits Massey Ferguson Tractor: 375, 383, 390, 390T, 393, 396, 398, 399 – Replaces OEM Number 3901177M91
Please verify the OEM reference number and equipment fitment before ordering.









