AT391066: Fan System Bypass Valve | Shop.Deere.com

1 Substitute part(s) available:

Substitute Products Table
Part NumberPart NamePrice (Select Dealer to view price)
AT444928AT444928: Bypass Valve
Original

AT391066: Fan System Bypass Valve

Part Number: AT391066

Parts Tier: Original

  • Designed to manage and direct fluid flow within hydraulic or fluid‑handling systems, John Deere Valve supports controlled operation across various applications
  • Provides reliable performance across varying pressure and flow conditions
  • Supports consistent fluid regulation to help maintain smooth and efficient system operation
  • Suitable for maintenance or replacement of valve components where applicable
  • Manufactured in alignment with established John Deere engineering and material design requirements

    Product Dimensions

    Weight
    1.16 lb
    Height
    1.9 in
    Width
    2.75 in
    Length
    4.4 in

    Specifications

    Operation Mode
    Normally Closed
    Rated Pressure
    20,684.277 kPa
    O-Ring Material
    Buna