HomeHVAC > Hoses and PipesFour Seasons 66310 A/C Refrigerant Suction Hose - Front
Part #: 66310

Four Seasons 66310 A/C Refrigerant Suction Hose - Front

Hose Assembly, Front
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly, Front
🚗Fitment: Audi, Q5 and Q7
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Overview of Four Seasons Hose Assembly 66310

The Four Seasons Hose Assembly 66310 is designed specifically for Audi Q5 and Q7 models, providing a reliable A/C refrigerant suction hose solution. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient refrigerant flow and system performance.

  • Compatible with Audi Q5 and Q7 models
  • Constructed from aluminum and rubber for durability
  • Equipped with P-nut fittings on both ends for secure connections
  • Designed for R134a refrigerant systems
  • Includes green O-rings and necessary fittings for installation
  • OE replacement part ensuring proper fit and function
  • Low-pressure suction line without service or switch ports

Detailed Product Description

This Four Seasons Hose Assembly 66310 belongs to the Hose Assembly product line, which focuses on delivering precise and reliable hose and pipe components for automotive HVAC systems. The assembly features a combination of aluminum and rubber materials, providing flexibility and resistance to wear under typical operating conditions. Both ends of the hose are equipped with P-nut fittings, facilitating a secure and leak-free connection to the vehicle's A/C system. It is designed for use with R134a refrigerant, the standard for many modern Audi vehicles.

The hose assembly includes green O-rings ([24681] and [24635]) to ensure a tight seal and prevent refrigerant leaks. It is a low-pressure suction line without a service port, switch port, bracket, or muffler, matching the original equipment specifications for Audi Q5 and Q7 models. This part number 66310 is an OE replacement, ensuring compatibility and reliable performance within the vehicle's HVAC system.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant suction hoses in Audi Q5 and Q7
  • Resolving refrigerant leaks caused by degraded seals or fittings
  • Restoring proper refrigerant flow in low-pressure suction lines
  • Eliminating A/C system inefficiencies due to hose wear or damage
  • Maintaining system integrity without the need for additional brackets or mufflers

Installation Notes and Tips

  • Ensure the vehicle is compatible: Audi Q5 or Q7 models using R134a refrigerant
  • Verify that the P-nut fittings align correctly with the existing system connections
  • Replace O-rings with the included green O-rings to maintain a proper seal
  • Inspect the surrounding components for wear or damage during installation
  • Follow manufacturer torque specifications for fittings to avoid leaks

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66310 is manufactured to meet or exceed original equipment standards, providing a reliable replacement part for Audi Q5 and Q7 HVAC systems. The inclusion of OEM-quality fittings and seals supports long-term durability and system performance. 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 the supplier for exact warranty terms.

BrandFour Seasons
Part Number66310
PositionHose Assembly, Front
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[24681] / Green O-Ring
O-Ring B Number/Desc[24635] / Green Round O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port?w/o Service Port
Suction End TypeP-Nut Fitting
Switch Included?Not Included
System PressureLow Pressure

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015AudiQ53.0LV6FrontSuction Line; Compressor End; Hose Assembly
2015AudiQ73.0LV6FrontSuction Line; Compressor End; Hose Assembly
2014AudiQ73.0LV6N/ASuction Line; Compressor End; Hose Assembly
2013AudiQ73.0LV6N/ASuction Line; Compressor End; Hose Assembly
2012AudiQ73.0LV6N/ASuction Line; Compressor End; Hose Assembly
2011AudiQ53.0LV6FrontSuction Line; Compressor End; Hose Assembly
2011AudiQ73.0LV6FrontSuction Line; Compressor End; Hose Assembly
2010AudiQ74.2LV8N/ASuction Line; Compressor End; 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:

211207663107876877L8820744GA82809V15200104

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