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Four Seasons' expansion devices are specifically calibrated to provide proper flow to the evaporator as well as restricting or modulating high pressure liquid causing a pressure drop to lower the refrigerant temperature. They also provide optimum cabin comfort for both the driver and passengers.

Features & Benefits
  • Block Valves are aluminum construction; all internal parts are designed to OE specifications
  • Internally and Externally Equalized Valves are copper and brass construction
  • Tubes to Cap connections are double soldered to ensure integrity
  • Coverage includes both forward and reverse flow designs
  • Tonnage and Superheat is matched to OE specifications
  • Power valve is seasoned for 30 days, assembled and 100% function tested prior to shipping

Four Seasons' expansion valves are built to match OE design. After assembled, each valve is tested and calibrated to match it's OE specifications. Some competitors build multiple valves to just one specification setting which can lead to poor cooling performance.

Why Clean or Change the Expansion Valve When Replacing a Compressor?
Liquid Inlet SizeNo. 8
Suction Outlet TypeO-Ring
O-Ring A Quantity2
Liquid Outlet GenderFemale
O-Ring C Number/Desc[24610] / Green O-Ring
Mount Hole Qty2
Meets / Exceeds OEM?Yes
Liquid Outlet Thread3/4" - 18
O-Ring C Quantity1
O-Ring B Quantity1
Suction Inlet SizeNo. 10
Liquid Inlet Thread5/8" - 18
O-Ring B Number/Desc[24608] / Green O-Ring
Switch Included?Not Included
Liquid Outlet SizeNo. 8
Suction Inlet GenderFemale
Suc Out GenderFemale
TypeBlock Type
Suction Outlet SizeNo. 10
Suction Inlet Thread7/8" - 18
Super Heat-1.000
Stylew/o Solenoid
O-Ring A Number/Desc[24615] / Green O-Ring
Suc Out Trd7/8" - 18
Liquid Inlet GenderFemale
Liquid Inlet TypeO-Ring
Alternate/OEM Part Number(s): 19189850, 2L1Z19849AA, 2L1Z19849AB

Warranty Information:
120 Days