HomeHVAC > Hoses and PipesFour Seasons 66994 A/C Refrigerant Discharge Hose
Part #: 66994

Four Seasons 66994 A/C Refrigerant Discharge Hose

Hose Assembly
⚙️ 61 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Audi and Volkswagen, A3, A3 Quattro, Arteon, Golf, Golf Alltrack, Golf R, Golf SportWagen, GTI, S3, TT, TT Quattro, and TTS Quattro
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Reliable A/C Refrigerant Discharge Hose for Audi and Volkswagen

The Four Seasons Hose Assembly 66994 is designed to provide dependable performance for your vehicle's HVAC system. Engineered with durable aluminum and rubber materials, this A/C refrigerant discharge hose is compatible with select Audi and Volkswagen models, ensuring proper refrigerant flow and system efficiency.

  • Constructed from aluminum and rubber for durability and flexibility
  • Compatible with R134a and R1234yf refrigerants
  • Includes gasket or seal for secure connections
  • Designed without muffler and service port
  • Fits Audi A3, A3 Quattro, S3, TT, TT Quattro, TTS Quattro and Volkswagen Golf, Golf Alltrack, Golf R, Golf SportWagen, GTI, Arteon models

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on delivering precise replacement hoses and pipes for automotive HVAC systems. This product line emphasizes quality materials and fitment accuracy to maintain the integrity of refrigerant flow and system pressure. The 66994 hose assembly is part of this line, engineered to meet the specific requirements of Audi and Volkswagen vehicles using modern refrigerants.

Product Details and Specifications

The Four Seasons 66994 A/C refrigerant discharge hose features a combination of aluminum and rubber materials, providing both strength and flexibility needed for effective HVAC operation. It supports both R134a and R1234yf refrigerants, making it suitable for vehicles transitioning to newer refrigerant standards. The included gasket or seal ensures a tight, leak-free connection. This hose assembly does not include a muffler or service port, which aligns with the original equipment design for the specified vehicle models.

Common Applications and Issues Addressed

  • Replacement of worn or cracked refrigerant discharge hoses
  • Resolving refrigerant leaks in the A/C system
  • Restoring proper refrigerant flow for efficient cooling
  • Addressing HVAC system pressure loss due to hose damage
  • Upgrading to compatible hose assemblies for R134a and R1234yf refrigerants

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66994, ensure the gasket or seal is properly seated to prevent leaks. Verify compatibility with your specific Audi or Volkswagen model before installation. Since this hose does not include a service port or muffler, confirm that your vehicle’s system design matches these specifications. Proper handling of refrigerants and adherence to safety protocols is recommended during installation.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed OEM standards for fit, form, and function. The Hose Assembly 66994 undergoes rigorous quality control to ensure durability and reliable performance in your vehicle’s HVAC system. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use.

BrandFour Seasons
Part Number66994
PositionHose Assembly
MaterialAluminum / rubber
Refrigerant TypeR134a r1234yf
Gasket Or Seal IncludedIncluded
Switch Service PortNo
DescriptionHose assemblies
Muffler?W/o muffler
Service Port IncludedNo

This part fits 61 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2023AudiTT QuattroN/ADischarge Line; Hose Assembly
2023AudiTTS QuattroN/ADischarge Line; Hose Assembly
2022AudiTT QuattroN/ADischarge Line; Hose Assembly
2022AudiTTS QuattroN/ADischarge Line; Hose Assembly
2021AudiTT QuattroN/ADischarge Line; Hose Assembly
2021AudiTTS QuattroN/ADischarge Line; Hose Assembly
2021VolkswagenArteonN/ADischarge Line; Hose Assembly
2020AudiA32.0LL4N/ADischarge Line; Hose Assembly
2020AudiA3 QuattroN/ADischarge Line; Hose Assembly
2020AudiS3N/ADischarge Line; Hose Assembly
2020AudiTT QuattroN/ADischarge Line; Hose Assembly
2020AudiTTS QuattroN/ADischarge Line; Hose Assembly
2020VolkswagenArteonN/ADischarge Line; Hose Assembly
2019AudiA32.0LL4N/ADischarge Line; Hose Assembly
2019AudiA3 QuattroN/ADischarge Line; Hose Assembly
2019AudiS3N/ADischarge Line; Hose Assembly
2019AudiTT QuattroN/ADischarge Line; Hose Assembly
2019AudiTTS QuattroN/ADischarge Line; Hose Assembly
2019VolkswagenArteonN/ADischarge Line; Hose Assembly
2019VolkswagenGolf2.0LL4N/ADischarge Line; Hose Assembly
2019VolkswagenGolf AlltrackN/ADischarge Line; Hose Assembly
2019VolkswagenGolf RN/ADischarge Line; Hose Assembly
2019VolkswagenGolf SportWagen1.8LL4N/ADischarge Line; Hose Assembly
2019VolkswagenGTIN/ADischarge Line; Hose Assembly
2018AudiA32.0LL4N/ADischarge Line; Hose Assembly
2018AudiA3 QuattroN/ADischarge Line; Hose Assembly
2018AudiS3N/ADischarge Line; Hose Assembly
2018AudiTT QuattroN/ADischarge Line; Hose Assembly
2018AudiTTS QuattroN/ADischarge Line; Hose Assembly
2018VolkswagenGolf1.8LL4N/ADischarge Line; Hose Assembly
2018VolkswagenGolf AlltrackN/ADischarge Line; Hose Assembly
2018VolkswagenGolf RN/ADischarge Line; Hose Assembly
2018VolkswagenGolf SportWagenN/ADischarge Line; Hose Assembly
2018VolkswagenGTIN/ADischarge Line; Hose Assembly
2017AudiA32.0LL4N/ADischarge Line; Hose Assembly
2017AudiA3 QuattroN/ADischarge Line; Hose Assembly
2017AudiS3N/ADischarge Line; Hose Assembly
2017AudiTT QuattroN/ADischarge Line; Hose Assembly
2017AudiTTS QuattroN/ADischarge Line; Hose Assembly
2017VolkswagenGolf1.8LL4N/ADischarge Line; Hose Assembly
2017VolkswagenGolf AlltrackN/ADischarge Line; Hose Assembly
2017VolkswagenGolf RN/ADischarge Line; Hose Assembly
2017VolkswagenGolf SportWagenN/ADischarge Line; Hose Assembly
2017VolkswagenGTIN/ADischarge Line; Hose Assembly
2016AudiA31.8LL4N/ADischarge Line; Hose Assembly
2016AudiA3 QuattroN/ADischarge Line; Hose Assembly
2016AudiS3N/ADischarge Line; Hose Assembly
2016AudiTT2.0LL4N/ADischarge Line; Hose Assembly
2016AudiTT QuattroN/ADischarge Line; Hose Assembly
2016AudiTTS QuattroN/ADischarge Line; Hose Assembly
2016VolkswagenGolf1.8LL4N/ADischarge Line; Hose Assembly
2016VolkswagenGolf RN/ADischarge Line; Hose Assembly
2016VolkswagenGolf SportWagenN/ADischarge Line; Hose Assembly
2016VolkswagenGTIN/ADischarge Line; Hose Assembly
2015AudiA31.8LL4N/ADischarge Line; Hose Assembly
2015AudiA3 QuattroN/ADischarge Line; Hose Assembly
2015AudiS3N/ADischarge Line; Hose Assembly
2015VolkswagenGolf1.8LL4N/ADischarge Line; Hose Assembly
2015VolkswagenGolf RN/ADischarge Line; Hose Assembly
2015VolkswagenGolf SportWagen1.8LL4N/ADischarge Line; Hose Assembly
2015VolkswagenGTIN/ADischarge Line; 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:

2119055Q0816721AG5Q0816721C5Q0816721M5Q0816721Q66994840078A83674HA113860CTP11305

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