HomeHVAC > Hoses and PipesFour Seasons 66364 A/C Refrigerant Discharge Hose
Part #: 66364

Four Seasons 66364 A/C Refrigerant Discharge Hose

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: Lexus, ES350
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Overview of Four Seasons Hose Assembly 66364

The Four Seasons Hose Assembly 66364 is designed specifically for the Lexus ES350 HVAC system. This A/C refrigerant discharge hose is engineered to handle high-pressure conditions and is compatible with R134a refrigerant, ensuring reliable performance in your vehicle's air conditioning system.

  • Constructed from durable aluminum and rubber materials
  • Designed for high-pressure A/C refrigerant discharge applications
  • Includes gasket and fittings for secure installation
  • Equipped with green O-rings (part number 24661), quantity two
  • OEM replacement part compatible with Lexus ES350

Detailed Product Description

The Four Seasons Hose Assembly 66364 belongs to the Hose Assembly product line, which focuses on providing quality hose and pipe solutions for automotive HVAC systems. This particular discharge line is made from a combination of aluminum and rubber, offering both flexibility and durability under high-pressure conditions. It is designed to work with R134a refrigerant, the standard for many modern vehicles including the Lexus ES350. The hose assembly comes complete with necessary fittings and gaskets, including two green O-rings (part number 24661), to ensure a tight, leak-free connection. It features a P-nut fitting on the suction end and does not include a service port, bracket, muffler, or switch, aligning with original equipment specifications for a direct replacement.

Applications and Problem Solving

  • Replaces worn or damaged A/C refrigerant discharge hoses in Lexus ES350 models
  • Addresses refrigerant leaks caused by cracked or deteriorated hoses
  • Restores proper high-pressure refrigerant flow for efficient A/C system operation
  • Eliminates issues related to improper sealing with included gaskets and O-rings
  • Prevents system contamination by maintaining a secure, OEM-quality connection

Installation Notes and Tips

Installation of the Four Seasons Hose Assembly 66364 should be performed by a qualified technician familiar with Lexus ES350 HVAC systems. Ensure the system is fully depressurized before removal of the old hose. Use the included fittings and gaskets to achieve a proper seal, and verify that the green O-rings are correctly positioned to prevent leaks. Since this hose assembly does not include a service port or bracket, confirm compatibility with your vehicle’s existing mounting points and service ports. Proper torque specifications should be followed to avoid damage to fittings.

Quality Assurance and Warranty

Four Seasons products, including the Hose Assembly 66364, are manufactured to meet or exceed OEM standards for fit, form, and function. This part is an exact replacement for the original equipment on the Lexus ES350, ensuring reliable performance and durability. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for complete warranty information.

BrandFour Seasons
Part Number66364
PositionHose Assembly
Bracket?w/o Bracket
Component TypeDischarge Line
DescriptionHose Assemblies
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24661] / Green O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port?w/o Service Port
Suction End TypeP-Nut Fitting
Switch Included?Not Included
System PressureHigh Pressure

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
2018LexusES350N/ADischarge Line; Japan Built; Hose Assembly
2017LexusES350N/ADischarge Line; Japan Built; Hose Assembly
2016LexusES350N/ADischarge Line; Japan Built; Hose Assembly
2015LexusES350N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2014LexusES350N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2013LexusES350N/ACompatible with various vehicles A/C refrigerant discharge hose; 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:

211261663647877068871133260A82863HA113515C

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