HomeHVAC > Hoses and PipesFour Seasons 55964 A/C Refrigerant Suction Hose
Part #: 55964

Four Seasons 55964 A/C Refrigerant Suction Hose

Hose Assembly
14 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: Audi, A6 and A6 Quattro
Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Hose Assembly 55964

The Four Seasons Hose Assembly 55964 is designed specifically for Audi A6 and A6 Quattro models, providing a reliable A/C refrigerant suction hose solution. Engineered with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow within your vehicle's HVAC system.

  • Constructed from aluminum and rubber for durability and flexibility
  • Features a P-nut fitting on both suction ends for secure connections
  • Includes green o-rings ([24622] and [24635]) for proper sealing
  • Compatible with R134-a refrigerant systems
  • Includes necessary fittings and gasket/seal for installation
  • Designed without a switch service port, bracket, or muffler
  • OE replacement part ensuring proper fit and function

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering precise HVAC hose and pipe components tailored for specific vehicle applications. This line emphasizes quality materials and exact fitment, such as the 55964 suction hose assembly, which meets OEM specifications for Audi A6 and A6 Quattro models. The assemblies are designed to maintain system integrity and refrigerant flow without additional components like brackets or mufflers, simplifying installation and maintenance.

Detailed Product Description

The 55964 A/C refrigerant suction hose is a critical component in the low-pressure side of the HVAC system for Audi A6 and A6 Quattro vehicles. Its aluminum and rubber construction balances strength and flexibility, allowing it to withstand system pressures while accommodating engine movement. The hose features P-nut fittings on both ends, ensuring a secure and leak-free connection. Included green o-rings provide a tight seal to prevent refrigerant loss. This hose assembly is compatible with R134-a refrigerant and comes with all necessary fittings and gaskets, making it a direct OE replacement without the need for additional parts.

Common Applications and Issues Addressed

  • Replacement of worn or cracked suction hoses causing refrigerant leaks
  • Restoring proper refrigerant flow in low-pressure A/C system lines
  • Eliminating poor A/C performance due to damaged or leaking hoses
  • Resolving system pressure drops related to faulty suction line components
  • Maintaining HVAC system integrity in Audi A6 and A6 Quattro models

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 55964, ensure all old seals and fittings are removed and the connection points are clean. Use the included green o-rings to achieve a proper seal and prevent leaks. The P-nut fittings require careful tightening to manufacturer torque specifications to avoid damage. Since this assembly does not include a bracket or muffler, verify existing mounting points and supports are intact. This hose is designed for vehicles using R134-a refrigerant; confirm refrigerant type before installation.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OE replacement part, meeting or exceeding original equipment standards for fit and function. 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 against defects in materials and workmanship. For exact warranty terms, refer to Four Seasons documentation or authorized distributors.

BrandFour Seasons
Part Number55964
PositionHose Assembly
Bracket?w/o Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeP-Nut Fitting
End 2 TypeCaptured O-Ring
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24622] / Green O-Ring
O-Ring B Number/Desc[24635] / Green Round O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134-A
Service Port?w/o Service Port
Suction End TypeP-Nut Fitting
Switch Included?Not Included
System PressureLow Pressure

This part fits 14 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
2011AudiA6N/ASuction Line; Compressor End; Hose Assembly
2011AudiA6 QuattroAWD3.0LV6N/ASuction Line; Compressor End; Hose Assembly
2010AudiA63.2LV6N/ASuction Line; Compressor End; Hose Assembly
2010AudiA6 Quattro3.0LV6N/ASuction Line; Compressor End; Hose Assembly
2009AudiA63.2LV6N/ASuction Line; Compressor End; Hose Assembly
2009AudiA6 Quattro3.0LV6N/ASuction Line; Compressor End; Hose Assembly
2009AudiA6 Quattro3.2LV6N/ASuction Line; Compressor End; Hose Assembly
2008AudiA63.2LV6N/ASuction Line; Compressor End; Hose Assembly
2008AudiA6 Quattro3.2LV6N/ASuction Line; Compressor End; Hose Assembly
2007AudiA6N/ASuction Line; Compressor End; Hose Assembly
2007AudiA6 Quattro3.2LV6N/ASuction Line; Compressor End; Hose Assembly
2006AudiA63.2LV6N/ASuction Line; Compressor End; Hose Assembly
2006AudiA6 Quattro3.2LV6N/ASuction Line; Compressor End; Hose Assembly
2005AudiA6 Quattro3.2LV6N/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:

2019644F0260707AD4F0260707L55964785401801043A05964HA111734HA111734CT55964

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