HomeHVAC > Hoses and PipesFour Seasons 55188 A/C Refrigerant Suction Hose
Part #: 55188

Four Seasons 55188 A/C Refrigerant Suction Hose

Hose Assembly
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Toyota, Sienna
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Overview of Four Seasons Hose Assembly 55188

The Four Seasons Hose Assembly 55188 is designed specifically for Toyota Sienna vehicles, providing a reliable A/C refrigerant suction hose solution. Engineered with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow for R134-a systems.

  • Constructed from aluminum and rubber for durability and flexibility
  • Equipped with P-nut fittings on both ends for secure connections
  • Compatible with R134-a refrigerant systems
  • Includes gasket, fittings, and three green O-rings (part number 24682)
  • Features a 13 mm R134-a quick disconnect service port on the low-pressure side
  • OE replacement part designed for Toyota Sienna models
  • Does not include bracket, muffler, or switch

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering complete hose assemblies tailored for HVAC systems in vehicles. This line emphasizes compatibility and ease of installation by including necessary fittings, gaskets, and seals. The 55188 hose assembly fits within this line by providing a ready-to-install suction line solution for Toyota Sienna A/C systems, ensuring proper refrigerant flow and system integrity.

Detailed Product Description

The Four Seasons 55188 A/C refrigerant suction hose is designed to handle low-pressure refrigerant flow in Toyota Sienna vehicles equipped with R134-a refrigerant. Both ends of the hose feature P-nut fittings, which provide a secure and leak-resistant connection to the vehicle’s HVAC system. The assembly includes all necessary fittings and a gasket, along with three green O-rings (part number 24682) to ensure a tight seal. A 13 mm quick disconnect service port is integrated on the low-pressure side, facilitating easy maintenance and refrigerant servicing without the need for additional components. This hose assembly does not include a bracket, muffler, or switch, focusing solely on the suction line function.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant suction hoses in Toyota Sienna
  • Resolving refrigerant leaks caused by cracked or deteriorated hose materials
  • Restoring proper low-pressure refrigerant flow for efficient A/C system operation
  • Facilitating maintenance with an integrated service port for quick refrigerant access
  • Ensuring OEM-level fit and function with a direct replacement part

Installation Notes and Tips

  • Verify compatibility with Toyota Sienna model year before installation
  • Ensure all O-rings and gaskets are properly seated to prevent leaks
  • Use appropriate tools to tighten P-nut fittings without over-torquing
  • Check the service port for proper sealing after installation
  • Inspect surrounding components for wear or damage during replacement

Quality Assurance and Warranty

Four Seasons Hose Assembly 55188 is manufactured to meet OEM specifications for Toyota Sienna vehicles, ensuring reliable performance and fit. The product includes all necessary seals and fittings to maintain system integrity. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.

BrandFour Seasons
Part Number55188
PositionHose Assembly
Bracket?w/o Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeP-Nut Fitting
End 2 TypeP-Nut Fitting
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24682] / Green O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134-A
Service Port Qty1
Service Port Size13 mm
Service Port TypeR134-A Quick Disconnect
Service Port?w/ Service Port
Suction End TypeP-Nut Fitting
Sve Port Low SideLow Side
Switch Included?Not Included
System PressureLow Pressure

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
2003ToyotaSiennaN/ASuction Line; w/o Trailer Tow Pkg.; w/ Rear AC; Hose Assembly
2002ToyotaSiennaN/ASuction Line; w/o Trailer Tow Pkg.; w/ Rear AC; Hose Assembly
2001ToyotaSiennaN/ASuction Line; w/o Trailer Tow Pkg.; w/ Rear AC; Hose Assembly
2000ToyotaSiennaN/ASuction Line; w/o Trailer Tow Pkg.; w/ Rear AC; Hose Assembly
1999ToyotaSiennaN/ASuction Line; w/o Trailer Tow Pkg.; w/ Rear AC; Hose Assembly
1998ToyotaSiennaN/ASuction Line; w/o Trailer Tow Pkg.; w/ Rear AC; 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:

111551882002254812108551887852708027148871208050A70216CWK785270HA11261CT55188

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