HomeHVAC > Hoses and PipesFour Seasons 55419 A/C Refrigerant Suction Hose
Part #: 55419

Four Seasons 55419 A/C Refrigerant Suction Hose

Hose Assembly
3 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Hose Assembly
Fitment: Toyota, Avalon
Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Hose Assembly 55419

The Four Seasons Hose Assembly 55419 is designed specifically for the Toyota Avalon HVAC system. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow with durable aluminum and rubber construction, making it a precise replacement for your vehicle's original part.

  • Constructed from aluminum and rubber for durability and flexibility
  • Features a flange end and a captured o-ring end for secure connections
  • Compatible with R134-a refrigerant systems
  • Includes gasket, fittings, and two green o-rings for proper sealing
  • Equipped with a muffler to reduce noise and vibration
  • Designed as a low-pressure suction line with a P-nut fitting suction end
  • Includes one 13 mm R134-a quick disconnect service port on the low side
  • OE replacement part ensuring proper fit and function

Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing complete hose assemblies tailored for HVAC systems. This product line emphasizes compatibility and quality by including all necessary fittings, seals, and service ports to facilitate installation and maintenance. The 55419 hose assembly is part of this line, offering a comprehensive solution for the Toyota Avalon’s A/C refrigerant suction needs.

Detailed Product Description

The Four Seasons 55419 A/C refrigerant suction hose is engineered to handle low-pressure refrigerant flow within the Toyota Avalon’s HVAC system. Its aluminum and rubber construction balances strength and flexibility, resisting wear and environmental factors. The hose assembly includes a flange on one end and a captured o-ring on the other, ensuring leak-free connections. Two green o-rings (part number 24682) are included to maintain a secure seal. The integrated muffler helps minimize noise and vibration during operation. Additionally, the hose features a 13 mm R134-a quick disconnect service port on the low-pressure side, facilitating easy servicing without the need for additional components.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant suction hoses in Toyota Avalon models
  • Resolving refrigerant leaks caused by cracked or deteriorated hoses
  • Eliminating noise and vibration issues in the HVAC suction line
  • Ensuring proper refrigerant flow and pressure for efficient A/C performance
  • Facilitating maintenance with an integrated service port for quick refrigerant access

Installation Notes and Tips

  • Verify compatibility with Toyota Avalon before installation
  • Ensure all included fittings, gaskets, and o-rings are properly seated to prevent leaks
  • Use appropriate tools for flange and P-nut fittings to avoid damage
  • Check the service port for proper sealing after installation
  • Inspect the muffler for secure attachment to reduce noise transmission

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55419 is an OE replacement part designed to meet or exceed original equipment specifications. It includes all necessary components for a complete installation, reducing the risk of leaks or premature failure. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship, ensuring reliability for your Toyota Avalon’s HVAC system.

BrandFour Seasons
Part Number55419
PositionHose Assembly
Bracket?w/o Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeFlange
End 2 TypeCaptured O-Ring
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
Muffler?w/ 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 3 vehicles. Search below:

YearMakeModelPositionNotes
2007ToyotaAvalonN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2006ToyotaAvalonN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2005ToyotaAvalonN/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:

20045934645644812774554197853628010048870407070A70383CWK785362HA111255HA111255CT55419

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