HomeHVAC > Hoses and PipesFour Seasons 55481 A/C Refrigerant Discharge / Suction Hose Assembly
Part #: 55481

Four Seasons 55481 A/C Refrigerant Discharge / Suction Hose Assembly

Hose Assembly
6 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: Buick, Chevrolet, and Oldsmobile, Skyhawk, Cavalier, and Firenza
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Reliable A/C Refrigerant Hose Assembly for Buick, Chevrolet, Oldsmobile

The Four Seasons Hose Assembly part number 55481 is designed specifically for select Buick, Chevrolet, and Oldsmobile models including the Cavalier, Firenza, and Skyhawk. This A/C refrigerant discharge and suction hose assembly ensures proper refrigerant flow and system integrity for vehicles using R134a refrigerant.

  • Constructed from durable aluminum and rubber materials
  • Compatible with R134a refrigerant systems
  • Includes green O-rings ([24612] and [24613]) for secure sealing
  • Equipped with a captured o-ring flange discharge end and female o-ring suction end
  • Features a built-in muffler and manifold for noise reduction and system efficiency
  • Includes a switch service port but does not come with fittings or brackets
  • OE replacement part ensuring proper fit and function

Four Seasons Hose Assembly Product Line Overview

The Four Seasons Hose Assembly line focuses on providing high-quality HVAC hoses and pipes engineered for reliable performance and durability. This product line emphasizes precise fitment and compatibility with original equipment specifications, making it suitable for professional repairs and maintenance. The 55481 hose assembly exemplifies this approach by combining robust materials and essential features like included O-rings and a switch port to maintain system integrity.

Detailed Product Description

This A/C refrigerant discharge and suction hose assembly is constructed with aluminum and rubber to withstand the pressures and temperatures typical in automotive HVAC systems. It is designed for vehicles using R134a refrigerant, ensuring compatibility with modern A/C systems. The discharge end features a captured o-ring flange style for a secure connection, while the suction end uses a female o-ring fitting. Included green O-rings provide a reliable seal to prevent leaks. The assembly also includes a muffler and manifold to reduce noise and improve system performance. While fittings and brackets are not included, the hose assembly comes with a switch service port to facilitate system diagnostics and maintenance.

Common Applications and Issues Addressed

  • Replacement of worn or leaking A/C refrigerant hoses in Buick Cavalier, Chevrolet Firenza, and Oldsmobile Skyhawk
  • Resolving refrigerant leaks caused by damaged or degraded hose materials
  • Addressing noise issues in the A/C system with the included muffler
  • Ensuring proper refrigerant flow and pressure with OE replacement parts
  • Facilitating system service and diagnostics via the integrated switch service port

Installation Notes and Tips

  • Verify compatibility with your specific vehicle make and model before installation
  • Ensure all O-rings are properly seated to prevent refrigerant leaks
  • Use appropriate tools to avoid damaging the aluminum and rubber components during installation
  • Check for the presence of the switch service port and connect as needed for system diagnostics
  • Do not reuse old fittings or brackets; this assembly does not include them

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55481 is an OE replacement part manufactured to meet or exceed original equipment standards. It includes all necessary O-rings for sealing and is designed for durability and reliable performance in HVAC systems. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.

BrandFour Seasons
Part Number55481
PositionHose Assembly
Bracket?w/o Bracket
Discharge End StyleCaptured O-Ring
Discharge End TypeFlange
Fittings IncludedNot Included
Friction Material Attachmentw/ Switch Port
Gasket Or Seal IncludedIncluded
Manifold?Yes
MaterialAluminum / Rubber
Muffler?w/ Muffler
O-Ring A Number/Desc[24612] / Green O-Ring
O-Ring B Number/Desc[24613] / Green O-Ring
O-Rings Included?Included
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port?w/o Service Port
Suction End StyleUNF O-Ring
Suction End TypeFemale O-Ring
Switch Included?w/ Switch Port
TypeDischarge & Suction Line

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1988BuickSkyhawk2.0LL4N/AHose Assembly
1988ChevroletCavalier2.0LL4N/AHose Assembly
1988OldsmobileFirenzaN/AHose Assembly
1987BuickSkyhawk2.0LL4N/AHose Assembly
1987ChevroletCavalier2.0LL4N/AHose Assembly
1987OldsmobileFirenza2.0LL4N/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:

01489120063291115548115365519365520082722534132225378192473052702552347533781387481131655481704767781387A9232AC5309CWK781387HA5583T55481XH305

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