HomeHVAC > Hoses and PipesFour Seasons 66914 A/C Refrigerant Suction Hose
Part #: 66914

Four Seasons 66914 A/C Refrigerant Suction Hose

Hose Assembly
⚙️ 14 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Audi, A4 and A4 Quattro
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Reliable A/C Refrigerant Suction Hose for Audi A4 Models

The Four Seasons Hose Assembly 66914 is designed specifically for Audi A4 and A4 Quattro vehicles. This A/C refrigerant suction hose ensures proper refrigerant flow and system integrity, using durable aluminum and rubber materials for long-lasting performance.

  • Constructed from aluminum and rubber for durability and flexibility
  • Compatible with R134a refrigerant systems
  • Features a P-nut fitting on one end for secure connections
  • Includes necessary gaskets and O-rings (part numbers 24684 and 24635) for a proper seal
  • Designed without brackets, mufflers, or service ports

About the Four Seasons Hose Assembly Product Line

The Hose Assembly line from Four Seasons focuses on delivering precise hose assemblies tailored for HVAC systems. This product line emphasizes compatibility and quality materials to maintain efficient refrigerant flow and system reliability. The 66914 hose assembly is part of this line, engineered to meet the specific requirements of Audi A4 and A4 Quattro air conditioning systems.

Detailed Product Description

The Four Seasons 66914 A/C refrigerant suction hose is constructed with a combination of aluminum and rubber, providing both strength and flexibility needed in automotive HVAC applications. It is designed to work with R134a refrigerant, the standard for many modern vehicles. The hose features a P-nut fitting on one end, ensuring a secure and leak-resistant connection. Included with the hose are two O-rings (part numbers 24684 and 24635) and a gasket to maintain a tight seal and prevent refrigerant leaks. This hose assembly does not include a bracket, muffler, or service port, focusing solely on the essential components for refrigerant suction.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant suction hoses in Audi A4 and A4 Quattro models
  • Resolving refrigerant leaks caused by cracked or deteriorated hoses
  • Restoring proper refrigerant flow to improve air conditioning system performance
  • Preventing contamination and moisture ingress in the A/C system
  • Maintaining system pressure integrity for efficient cooling

Installation Notes and Tips

When installing the Four Seasons 66914 hose assembly, ensure all O-rings and gaskets are properly seated to prevent leaks. Use appropriate tools to tighten the P-nut fitting without over-torquing, which could damage the hose or fittings. Since this assembly does not include brackets or mufflers, verify existing mounting points and hardware are in good condition before installation. It is recommended to evacuate and recharge the A/C system following hose replacement to maintain optimal performance.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet industry standards for automotive HVAC components. The 66914 hose assembly undergoes quality checks to ensure material integrity and fitment accuracy for Audi A4 and A4 Quattro models. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use conditions.

BrandFour Seasons
Part Number66914
PositionHose Assembly
MaterialAluminum / rubber
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 IncludedNo

This part fits 14 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
2009AudiA4Convertible2.0LL4N/AAccumulator to Compressor; Hose Assembly
2009AudiA4 QuattroConvertible2.0LL4N/AAccumulator to Compressor; Hose Assembly
2008AudiA42.0LL4N/AAccumulator to Compressor; Hose Assembly
2008AudiA4 Quattro2.0LL4N/AAccumulator to Compressor; Hose Assembly
2007AudiA42.0LL4N/AAccumulator to Compressor; Hose Assembly
2007AudiA4 Quattro2.0LL4N/AAccumulator to Compressor; Hose Assembly
2006AudiA42.0LL4N/AAccumulator to Compressor; Hose Assembly
2006AudiA4 Quattro2.0LL4N/AAccumulator to Compressor; Hose Assembly
2005AudiA41.8LL4N/AAccumulator to Compressor; Hose Assembly
2005AudiA4 Quattro2.0LL4N/AAccumulator to Compressor; Hose Assembly
2004AudiA41.8LL4N/AAccumulator to Compressor; Hose Assembly
2004AudiA4 Quattro1.8LL4N/AAccumulator to Compressor; Hose Assembly
2003AudiA41.8LL4N/AFrom Chassis/VIN 8E-3-285 001; Hose Assembly
2003AudiA4 Quattro1.8LL4N/AFrom Chassis/VIN 8E-3-285 001; 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:

211825669148E0260707ATHA113963C

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