HomeHVAC > Hoses and PipesFour Seasons 66302 A/C Refrigerant Liquid Hose - Rear
Part #: 66302

Four Seasons 66302 A/C Refrigerant Liquid Hose - Rear

Hose Assembly, Rear
⚙️ 19 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly, Rear
🚗Fitment: Audi and Volkswagen, Q7 and Touareg
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Reliable A/C Refrigerant Liquid Hose for Audi Q7 and Volkswagen Touareg

The Four Seasons Hose Assembly 66302 is designed to maintain optimal performance in your vehicle's HVAC system. Engineered specifically for high-pressure R134a refrigerant systems, this liquid line hose assembly ensures efficient refrigerant flow and system reliability for Audi Q7 and Volkswagen Touareg models.

Key Features of Four Seasons Hose Assembly 66302

  • Constructed from durable aluminum and rubber materials for long-lasting use
  • Compatible with R134a refrigerant type and high-pressure HVAC systems
  • Includes a green O-ring (part number 24649) for a secure, leak-free seal
  • Features male liquid line with P-nut fitting style for precise connection
  • Equipped with an orifice tube and no service or switch ports or brackets
  • OE replacement part ensuring proper fit and function for Audi Q7 and Volkswagen Touareg

About the Four Seasons Hose Assembly Product Line

The Hose Assembly line by Four Seasons focuses on delivering reliable HVAC hose and pipe solutions tailored for specific vehicle applications. This product line emphasizes quality materials and exact fitment, providing assemblies that meet or exceed original equipment specifications. The 66302 hose assembly is part of this line, designed to integrate seamlessly into the liquid line of your vehicle’s air conditioning system without the need for additional brackets or service ports.

Detailed Product Description

The Four Seasons 66302 A/C refrigerant liquid hose is engineered for use in high-pressure R134a systems found in Audi Q7 and Volkswagen Touareg vehicles. Its aluminum and rubber construction offers resistance to wear and heat, ensuring durability under demanding operating conditions. The hose assembly includes a green O-ring (24649) to maintain a tight seal and prevent refrigerant leaks. The male liquid line with P-nut fitting style allows for secure and straightforward installation. This hose assembly comes without a service port or switch port and does not include a bracket, simplifying the replacement process while maintaining system integrity.

Common HVAC Issues Addressed by This Hose Assembly

  • Leaks in the liquid refrigerant line causing reduced cooling efficiency
  • Wear or damage to original hose assemblies leading to system pressure loss
  • Failure of seals or O-rings resulting in refrigerant loss
  • Corrosion or cracking of hose materials under high pressure and temperature
  • Compatibility issues with aftermarket or non-OE replacement parts

Installation Notes and Tips

  • Ensure system is fully depressurized before removing the old hose assembly
  • Verify the green O-ring (24649) is properly seated to prevent leaks
  • Use appropriate tools for P-nut fittings to avoid damage during installation
  • Check for any signs of wear or damage on adjacent components during replacement
  • Confirm compatibility with Audi Q7 and Volkswagen Touareg HVAC systems before installation

Quality Assurance and Warranty

Four Seasons Hose Assembly 66302 is manufactured to meet original equipment standards, providing reliable performance and fitment. The product includes a gasket or seal to ensure leak-free operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Always refer to the manufacturer’s warranty documentation for complete terms.

BrandFour Seasons
Part Number66302
PositionHose Assembly, Rear
Bracket?w/o Bracket
DescriptionHose Assemblies
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
Liquid Line GenderMale
Liquid Line StyleP-Nut Fitting
MaterialAluminum / Rubber
O-Ring A Number/Desc[24649] / Green O-Ring
O.E. Replacement?Yes
Orifice Tube?w/ Orifice Tube
Refrigerant TypeR134a
Service Port?w/o Service Port
StyleLiquid Line Hose Assembly w/o Orifice Tube
Suction End TypeP-Nut Fitting
System PressureHigh Pressure
TypeLiquid Line

This part fits 19 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2015AudiQ73.0LV6Rearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2014AudiQ73.0LV6Rearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2013AudiQ73.0LV6Rearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2012AudiQ73.0LV6Rearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2011AudiQ73.0LV6Rearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2010AudiQ7Rearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2010VolkswagenTouaregRearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2009AudiQ73.6LV6Rearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2009AudiQ74.2LV8Rearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2009VolkswagenTouaregRearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2009VolkswagenTouaregBaseRearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2009VolkswagenTouaregTDIRearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2009VolkswagenTouaregHighlineRearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2009VolkswagenTouaregComfortlineRearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2009VolkswagenTouaregExeclineRearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2008AudiQ73.6LV6Rearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2008AudiQ74.2LV8Rearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2007AudiQ73.6LV6Rearw/o Orifice Tube; w/ Rear AC; Junction To Junction; Hose Assembly
2007AudiQ74.2LV8Rearw/o Orifice Tube; w/ Rear AC; Junction To Junction; 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:

211199663027911117L6820722C7L6820722D7L6820722E7L6820722FA82801V15200110

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