HomeHVAC > Hoses and PipesFour Seasons 66894 A/C Refrigerant Suction Hose
Part #: 66894

Four Seasons 66894 A/C Refrigerant Suction Hose

Hose Assembly
⚙️ 6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Audi, A6 and A6 Quattro
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Reliable A/C Refrigerant Suction Hose for Audi A6 Models

The Four Seasons Hose Assembly 66894 is designed specifically for Audi A6 and A6 Quattro vehicles. This A/C refrigerant suction hose ensures proper refrigerant flow and system efficiency using durable aluminum and rubber materials.

  • Constructed from aluminum and rubber for durability and flexibility
  • Equipped with P-nut fittings on both ends for secure connections
  • Compatible with R134a refrigerant systems
  • Includes necessary gaskets and O-rings (part numbers 24684 and 24635) for leak-free sealing
  • Service port included for maintenance access
  • Designed without brackets or mufflers for straightforward installation

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing high-quality hose assemblies tailored for HVAC systems in vehicles. The 66894 part is part of this line, offering reliable performance and compatibility with specific vehicle models like the Audi A6 and A6 Quattro. These hose assemblies are engineered to meet OEM specifications, ensuring proper fit and function within the vehicle's air conditioning system.

Product Details and Specifications

This A/C refrigerant suction hose features aluminum and rubber construction, balancing strength and flexibility to withstand the pressures and temperatures of the air conditioning system. Both ends utilize P-nut fittings, which provide a secure and leak-resistant connection. The hose is designed for use with R134a refrigerant, the standard for many modern vehicles. Included with the hose are two O-rings (part numbers 24684 and 24635) and gaskets to ensure a tight seal and prevent refrigerant leaks. The assembly does not include a bracket or muffler, simplifying the installation process.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant suction hoses in Audi A6 and A6 Quattro
  • Resolving refrigerant leaks caused by cracked or deteriorated hose materials
  • Improving A/C system efficiency by restoring proper refrigerant flow
  • Addressing connection failures due to faulty or missing seals and O-rings
  • Maintaining system integrity during routine HVAC maintenance

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66894, ensure that the P-nut fittings are tightened to manufacturer torque specifications to prevent leaks. Verify that the included O-rings and gaskets are properly seated before securing connections. Since this hose assembly does not include brackets or mufflers, confirm that the hose is routed correctly and supported by existing vehicle hardware to avoid abrasion or stress. Use appropriate refrigerant handling procedures when servicing the A/C system.

Quality Assurance and Warranty

Four Seasons manufactures this hose assembly to meet or exceed OEM standards for fit and function. The part number 66894 undergoes quality checks to ensure durability and leak resistance. 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 manufacturer for exact warranty terms.

BrandFour Seasons
Part Number66894
PositionHose Assembly
MaterialAluminum / rubber
End 1 TypeP-nut fitting
End 2 TypeP-nut fitting
Refrigerant TypeR134a
Gasket Or Seal IncludedIncluded
Switch Service PortNo
Bracket?W/o bracket
DescriptionHose assemblies
Muffler?W/o muffler
O-Ring A Number/Desc24684 / o-ring
O-Ring A Quantity1
O-Ring B Number/Desc24635 / o-ring
O-Ring B Quantity1
Service Port IncludedYes

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2018AudiA62.0LL4N/Aw/ R134a; Hose Assembly
2018AudiA6 Quattro2.0LL4N/Aw/ R134a; Hose Assembly
2017AudiA62.0LL4N/Aw/ R134a; Hose Assembly
2017AudiA6 Quattro2.0LL4N/Aw/ R134a; Hose Assembly
2016AudiA62.0LL4N/Aw/ R134a; Hose Assembly
2016AudiA6 Quattro2.0LL4N/Aw/ R134a; 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:

2118054G0260707AP4G0260707CE66894

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