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FOUR SEASONS 55721 Specifications
Bracket?w/o Bracket
DescriptionHose Assemblies
Dimensions (MM) - Liquid Line0.375 MM
Fittings IncludedIncluded
Gasket or Seal IncludedIncluded
O-Ring A Number/Desc[24666] / Green O-Ring
O-Ring A Quantity3
O-Ring B Number/Desc[24668] / Green O-Ring
O-Ring B Quantity3
O-Ring C Number/Desc[24216] / Spring
O-Ring C Quantity1
O-Ring D Number/Desc[24131] / Green O-Ring
O-Ring D Quantity1
O.E. Replacement?Yes
Orifice Tube?w/ Orifice tube
Refrigerant TypeR134a
Service Port?w/o Service Port
StyleLiquid Line Hose Assembly w/ Captured Orifice Tube
Suction End TypeMale Springlock
Switch Service Portw/o Switch Port
TypeLiquid Line
With Orifice Tube Hose Assembly

As a manufacturer in hose assemblies, Four Seasons' capabilities extend past just putting a part in a box. Through modern manufacturing and advanced production equipment, they meet both customer's quality and delivery expectations. Each unit is 100% inspected to ensure bend pipe consistency is maintained through a highly precise CNC bending machine.

Hose assemblies play an important role in A/C system performance by carrying refrigerant and lubrication from one component to another. Poor manufacturing could lead to restricted refrigerant and oil flow to the compressor, resulting in catastrophic system failure.

  • Barrier Hose: Meets OE specifications
  • Tubing: Meets OE wall thickness and specifications fitting tube design
  • Pad Block Fittings: Designed to match OE
  • Orifice Tube: Meets OE specification in fit, form, design and function
  • Welds and Connections: Same design as OE with no refrigerant flow restrictions
  • Ferrule Crimp: Exceeds OE tensile test requirements
  • Muffler: Wall thickness meets OE specification, burst pressure exceeded OE requirements
  • O-Ring & Seals: Includes all necessary o-ring, seals including charge port fittings
  • Brackets: All fixed brackets are included on hose assembly
A/C System Repair Toolbox

Attention California Customers - WARNING: This product contains a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.

Alternate/OEM Part Number(s): 19191622, 88918017, F6ZZ19835A

Warranty Information:
120 Days