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Four Seasons 66913 A/C Refrigerant Discharge Hose
Reliable A/C Refrigerant Discharge Hose for Audi A4 Models
The Four Seasons Hose Assembly 66913 is designed specifically for Audi A4 and A4 Quattro vehicles. This A/C refrigerant discharge hose ensures proper flow of R134a refrigerant, maintaining your vehicle's HVAC system efficiency.
- Constructed from durable aluminum and rubber materials
- Equipped with P-nut fittings on both ends for secure connections
- Includes essential o-rings (24150 and 24661) for leak prevention
- Compatible with R134a refrigerant type
- Designed without brackets, mufflers, or service ports
About the Four Seasons Hose Assembly Product Line
The Four Seasons Hose Assembly line focuses on delivering reliable hose assemblies tailored for HVAC systems. This product line emphasizes quality materials and precise fitment to ensure optimal refrigerant flow and system integrity. The 66913 hose assembly is part of this line, engineered to meet the specific requirements of Audi A4 and A4 Quattro models.
Product Details and Specifications
This A/C refrigerant discharge hose features a combination of aluminum and rubber construction, providing both flexibility and durability under varying temperature and pressure conditions. Both ends of the hose are fitted with P-nut fittings, facilitating a secure and leak-resistant connection within the HVAC system. The hose is designed for use with R134a refrigerant, the standard for many modern vehicles. Included are two o-rings (part numbers 24150 and 24661) to ensure a tight seal and prevent refrigerant leaks. This assembly does not include a bracket, muffler, or service port, which simplifies installation in compatible Audi A4 models.
Common Applications and Issues Addressed
- Replacement of worn or damaged A/C refrigerant discharge hoses
- Resolving refrigerant leaks caused by deteriorated seals or fittings
- Restoring proper refrigerant flow in Audi A4 and A4 Quattro HVAC systems
- Eliminating A/C system inefficiencies due to hose degradation
- Maintaining system pressure and preventing contamination
Installation Notes and Tips
When installing the Four Seasons Hose Assembly 66913, ensure that the P-nut fittings are properly tightened to manufacturer torque specifications to avoid leaks. Verify that the included o-rings are seated correctly to maintain a secure seal. Since this hose assembly does not include brackets or mufflers, confirm that the existing mounting points and supports in the vehicle are intact and secure. It is recommended to evacuate and recharge the A/C system with R134a refrigerant following installation to ensure optimal performance.
Quality Assurance and Warranty
Four Seasons products are manufactured to meet industry standards for durability and performance. The Hose Assembly 66913 undergoes quality checks to ensure compatibility and reliability in Audi A4 and A4 Quattro vehicles. Warranty information is provided by Four Seasons and should be referenced for specific coverage details.
| Brand | Four Seasons |
| Part Number | 66913 |
| Position | Hose Assembly |
| Material | Aluminum / rubber |
| End 1 Type | P-nut fitting |
| End 2 Type | P-nut fitting |
| Refrigerant Type | R134a |
| Gasket Or Seal Included | Included |
| Switch Service Port | No |
| Bracket? | W/o bracket |
| Description | Hose assemblies |
| Muffler? | W/o muffler |
| O-Ring A Number/Desc | 24150 / o-ring |
| O-Ring A Quantity | 1 |
| O-Ring B Number/Desc | 24661 / o-ring |
| O-Ring B Quantity | 1 |
| Service Port Included | No |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Audi | A4 | Convertible | 2.0L | L4 | N/A | Discharge Line; Hose Assembly |
| 2009 | Audi | A4 Quattro | Convertible | 2.0L | L4 | N/A | Discharge Line; Hose Assembly |
| 2008 | Audi | A4 | 2.0L | L4 | N/A | Discharge Line; Hose Assembly | |
| 2008 | Audi | A4 Quattro | 2.0L | L4 | N/A | Discharge Line; Hose Assembly | |
| 2007 | Audi | A4 | 2.0L | L4 | N/A | Discharge Line; Hose Assembly | |
| 2007 | Audi | A4 Quattro | 2.0L | L4 | N/A | Discharge Line; Hose Assembly | |
| 2006 | Audi | A4 | 2.0L | L4 | N/A | Discharge Line; Hose Assembly | |
| 2006 | Audi | A4 Quattro | 2.0L | L4 | N/A | Discharge Line; Hose Assembly | |
| 2005 | Audi | A4 | 2.0L | L4 | N/A | Discharge Line; Hose Assembly | |
| 2005 | Audi | A4 Quattro | 2.0L | L4 | N/A | Discharge 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.