HomeHVAC > Hoses and PipesFour Seasons 55663 A/C Liquid Line with Orifice Tube
Part #: 55663

Four Seasons 55663 A/C Liquid Line with Orifice Tube

Hose Assembly
25 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Hose Assembly
Fitment: Ford, Lincoln, and Mercury, Mustang, Thunderbird, Mark VII, Cougar, and Capri
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Overview of Four Seasons Hose Assembly 55663

The Four Seasons Hose Assembly part number 55663 is designed specifically for select Ford, Lincoln, and Mercury vehicles. This A/C liquid line with orifice tube is engineered to meet original equipment specifications, ensuring reliable performance in your vehicle's HVAC system.

  • Compatible with Ford Capri, Cougar, Mark VII, Mustang, and Thunderbird models
  • Includes fittings and gasket/seal for secure installation
  • Equipped with a captured orifice tube for precise refrigerant flow
  • Female liquid line and female springlock suction end types
  • Designed for R134a refrigerant systems
  • Comes with multiple green o-rings and a spring o-ring for proper sealing
  • Does not include a service port or mounting bracket

Detailed Product Description

The Four Seasons Hose Assembly 55663 is a liquid line hose assembly that incorporates a captured orifice tube, essential for regulating refrigerant flow in automotive air conditioning systems. This part is compatible with R134a refrigerant and includes all necessary fittings and seals, such as green o-rings (part numbers 24608 and 24668) and a spring o-ring (part number 24218), to ensure a leak-free connection. The liquid line features a female connection with a 0.375-inch diameter, while the suction end uses a female springlock fitting. This assembly is designed without a service port or bracket, focusing on a direct OE replacement for the specified vehicle models.

The Four Seasons Hose Assembly product line specializes in durable and precise hose assemblies tailored for HVAC applications. This line emphasizes OE replacement quality and includes assemblies with or without orifice tubes, catering to various vehicle requirements. The 55663 model fits within this line as a liquid line hose assembly with a captured orifice tube, providing a reliable solution for maintaining proper A/C system function.

Common Applications and Issues Addressed

  • Replacement of damaged or leaking A/C liquid lines in Ford Mustang and Lincoln Mark VII
  • Restoring proper refrigerant flow in Mercury Cougar and Ford Capri air conditioning systems
  • Resolving refrigerant leaks caused by worn or missing o-rings
  • Addressing A/C performance issues related to faulty orifice tubes
  • Upgrading aging HVAC hoses to OE specification parts

Installation Notes and Tips

  • Ensure the system is fully evacuated and depressurized before removal
  • Verify compatibility with your vehicle’s make and model prior to installation
  • Replace all included o-rings and seals to prevent leaks
  • Use proper tools for disconnecting and connecting female springlock fittings
  • Check for proper seating of the orifice tube within the assembly

Quality Assurance and Warranty

Four Seasons Hose Assembly 55663 is manufactured to meet or exceed original equipment standards, providing a reliable replacement for your vehicle’s HVAC liquid line. This part is an exact OE replacement, ensuring fit, form, and function. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandFour Seasons
Part Number55663
PositionHose Assembly
Bracket?w/o Bracket
DescriptionHose Assemblies
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
Liquid Line GenderFemale
Liquid Line MM0.375
O-Ring A Number/Desc[24608] / Green O-Ring
O-Ring B Number/Desc[24668] / Green O-Ring
O-Ring C Number/Desc[24218] / Spring
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 TypeFemale Springlock
TypeLiquid Line

This part fits 25 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1986FordMustang2.3LL4N/ALiq Line w/ Orif; Hose Assembly
1986FordMustang2.3LL4N/AFits HVAC Blower Motor Wheel for vehicles with factory air.; Hose Assembly
1986FordThunderbird5.0LV8N/AHose Assembly
1986FordThunderbird2.3LL4N/AHose Assembly
1986LincolnMark VIIN/AHose Assembly
1986MercuryCougar5.0LV8N/ALiq Line w/ Orif; Hose Assembly
1986MercuryCougar5.0LV8N/AFits HVAC Blower Motor Wheel for vehicles with factory air.; Hose Assembly
1986MercuryCougar2.3LL4N/ALiq Line w/ Orif; Hose Assembly
1986MercuryCougar2.3LL4N/AFits HVAC Blower Motor Wheel for vehicles with factory air.; Hose Assembly
1985FordMustang2.3LL4N/ALiq Line w/ Orif; Hose Assembly
1985FordMustang2.3LL4N/AFits HVAC Blower Motor Wheel for vehicles with factory air.; Hose Assembly
1985FordThunderbird2.3LL4N/ALiq Line w/ Orif; Hose Assembly
1985FordThunderbird2.3LL4N/AFits HVAC Blower Motor Wheel for vehicles with factory air.; Hose Assembly
1985MercuryCougar2.3LL4N/ALiq Line w/ Orif; Hose Assembly
1985MercuryCougar2.3LL4N/AFits HVAC Blower Motor Wheel for vehicles with factory air.; Hose Assembly
1984FordMustang2.3LL4N/AHose Assembly
1984FordThunderbird2.3LL4N/ALiq Line w/ Orif; Hose Assembly
1984FordThunderbird2.3LL4N/AFits HVAC Blower Motor Wheel for vehicles with factory air.; Hose Assembly
1984MercuryCapri2.3LL4N/AHose Assembly
1984MercuryCougar2.3LL4N/ALiq Line w/ Orif; Hose Assembly
1984MercuryCougar2.3LL4N/AFits HVAC Blower Motor Wheel for vehicles with factory air.; Hose Assembly
1983FordMustang2.3LL4N/AHose Assembly
1983FordThunderbird2.3LL4N/ALiq Line w/ Orif; Hose Assembly
1983FordThunderbird2.3LL4N/AFits HVAC Blower Motor Wheel for vehicles with factory air.; Hose Assembly
1983MercuryCapri2.3LL4N/AHose Assembly

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

014902800621311155663153235519106719191580200658247156249583350037900384811713556635721566000046070706106779003889001754A90658AC5270CWK790038E2SZ19835AE3SZ19835AHA10201T55663XH156YF1067

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.