HomeHVAC > Hoses and PipesFour Seasons 55740 A/C Refrigerant Suction Hose
Part #: 55740

Four Seasons 55740 A/C Refrigerant Suction Hose

Hose Assembly
⚙️ 10 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Ford, Mercury, and Lincoln, Country Squire, LTD Crown Victoria, Colony Park, Grand Marquis, and Town Car
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Overview of Four Seasons Hose Assembly 55740

The Four Seasons Hose Assembly 55740 is designed specifically for low-pressure A/C refrigerant suction line applications. Engineered with durable aluminum and rubber materials, this hose assembly is compatible with select Ford, Lincoln, and Mercury models, including the Colony Park, Grand Marquis, LTD Crown Victoria, and Town Car.

  • Material: Aluminum and rubber construction for durability and flexibility
  • End 1 Type: Springlock fitting
  • End 2 Type: Female springlock fitting
  • Refrigerant Type: R12 compatible
  • Includes gasket and fittings for secure installation
  • O-rings included: 6 green o-rings (part number 24672) and 2 spring o-rings (part number 24220)
  • Service port included for maintenance access
  • OE replacement part ensuring proper fit and function

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly product line focuses on providing reliable hose assemblies for automotive HVAC systems. This line includes components designed to meet or exceed original equipment specifications, ensuring compatibility and performance. The 55740 hose assembly is part of this line, offering a direct replacement for suction lines in R12 refrigerant systems without the need for additional brackets or mufflers.

Detailed Product Description

This A/C refrigerant suction hose assembly is constructed with a combination of aluminum and rubber to withstand the demands of low-pressure refrigerant flow. The springlock fittings on both ends provide a secure and leak-resistant connection, while the included gaskets and fittings simplify installation. The hose is designed for use with R12 refrigerant systems and includes multiple O-rings to ensure a tight seal. It does not include a bracket or muffler, which aligns with the original equipment design for the specified vehicle models.

Compatible Vehicles and Common Applications

  • Ford Colony Park
  • Lincoln Grand Marquis
  • Mercury LTD Crown Victoria
  • Lincoln Town Car

This hose assembly is ideal for replacing worn or damaged suction lines in the HVAC system of these vehicles, helping to restore proper refrigerant flow and system efficiency.

Issues This Hose Assembly Addresses

  • Leaks in the A/C refrigerant suction line causing loss of refrigerant
  • Cracks or wear in original rubber or metal hose components
  • Poor A/C system performance due to damaged suction lines
  • Difficulty maintaining system pressure in R12 refrigerant systems
  • Need for a direct OE replacement hose assembly

Installation Notes and Tips

Installation requires proper handling of refrigerant lines and adherence to safety protocols. The included gaskets and fittings should be inspected before installation to ensure a proper seal. The springlock fittings allow for a secure connection without additional clamps. It is recommended to replace all O-rings during installation to prevent leaks. This hose assembly does not include a bracket or muffler, so ensure the existing mounting points are intact and secure.

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55740 is an OE replacement part designed to meet original equipment standards. It includes all necessary fittings and seals for installation. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.

BrandFour Seasons
Part Number55740
PositionHose Assembly
Bracket?w/o Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeSpringlock
End 2 TypeFemale Springlock
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24672] / Green O-Ring
O-Ring B Number/Desc[24220] / Spring
O.E. Replacement?Yes
Refrigerant TypeR12
Service Port?w/ Service Port
Suction End TypeSpringlock
Switch Included?Not Included
System PressureLow Pressure

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
1991FordLTD Crown VictoriaN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1991MercuryColony ParkN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1991MercuryGrand MarquisN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1990FordLTD Crown VictoriaN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1990LincolnTown CarN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1990MercuryColony ParkN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1990MercuryGrand MarquisN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1989FordLTD Crown VictoriaN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1989LincolnTown CarN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1989MercuryGrand MarquisN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose 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:

062551115574015315981919163019323020092124725827266583463316359837850174811440557405722586071726200546200586901278501788918279A70921AC5454AC5454GCWK785017F0VY19867BHA112134CHA9365T55740XH258YF1839

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