HomeHVAC > Hoses and PipesFour Seasons 66465 A/C Refrigerant Discharge Hose
Part #: 66465

Four Seasons 66465 A/C Refrigerant Discharge Hose

Hose Assembly
11 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: Honda and Acura, Pilot, Ridgeline, and MDX
Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Hose Assembly 66465

The Four Seasons Hose Assembly 66465 is designed for high-pressure A/C refrigerant discharge applications. Engineered with durable aluminum and rubber materials, this hose assembly is compatible with select Acura and Honda models, including the MDX, Pilot, and Ridgeline. It provides a reliable replacement for original equipment discharge lines using R134a refrigerant.

  • Constructed from aluminum and rubber for durability and flexibility
  • Designed for high-pressure A/C refrigerant discharge with R134a
  • Includes fittings and green O-rings (part number 24661) for secure connections
  • OE replacement part ensuring proper fit and function
  • Compatible with Acura MDX, Honda Pilot, and Honda Ridgeline models

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing reliable hose assemblies for automotive HVAC systems. These assemblies are engineered to meet or exceed original equipment specifications, ensuring proper refrigerant flow and system pressure management. The 66465 discharge hose is part of this line, offering a direct replacement solution without a service port or bracket, designed specifically for high-pressure discharge applications.

Product Description and Features

This A/C refrigerant discharge hose assembly features a combination of aluminum and rubber materials to withstand the demands of high-pressure refrigerant flow. It is designed for use with R134a refrigerant and includes necessary fittings and two green O-rings (part number 24661) to ensure a tight seal. The hose uses a P-nut fitting on the suction end and does not include a muffler, bracket, or service port, aligning with original equipment specifications. This part number 66465 is an OE replacement, ensuring compatibility and performance for Acura MDX, Honda Pilot, and Honda Ridgeline vehicles.

Common Applications and Issues Addressed

  • Replacement of worn or leaking A/C refrigerant discharge hoses
  • Restoring proper high-pressure refrigerant flow in HVAC systems
  • Resolving refrigerant leaks caused by damaged fittings or seals
  • Maintaining system pressure integrity in Acura MDX, Honda Pilot, and Ridgeline A/C systems
  • Ensuring compatibility with R134a refrigerant systems

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66465, ensure all fittings and O-rings are properly seated to prevent leaks. Use the included green O-rings (part number 24661) as replacements for a secure seal. This hose assembly does not include a service port or bracket, so verify existing mounting points and service ports on the vehicle before installation. Proper torque specifications should be followed for all fittings to maintain system integrity.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OE replacement part, manufactured to meet original equipment standards. The product includes all necessary fittings and seals to ensure a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.

BrandFour Seasons
Part Number66465
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 11 vehicles. Search below:

YearMakeModelPositionNotes
2020HondaPilotN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2019HondaPilotN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2019HondaRidgelineN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2018HondaPilotN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2018HondaRidgelineN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2017HondaPilotN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2017HondaRidgelineN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2016AcuraMDXN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2016HondaPilotN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2015AcuraMDXN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2014AcuraMDXN/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:

21137648132256646578777680094880315TZ5A01A82978HA111951C

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