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Four Seasons 66300 A/C Refrigerant Suction Hose
Overview of Four Seasons Hose Assembly 66300
The Four Seasons Hose Assembly 66300 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 for R134-a systems.
- Constructed from aluminum and rubber for durability and flexibility
- Equipped with P-nut fittings on both ends for secure connections
- Compatible with R134-a refrigerant systems
- Includes green O-rings ([24684] and [24635]) for proper sealing
- Designed as a low-pressure suction line without a switch or muffler
- Includes necessary fittings and gasket for installation
- 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 66300 suction hose assembly designed for Audi A6 and A6 Quattro models. Each hose assembly in this line is engineered to meet OEM specifications, ensuring compatibility and reliable performance within the vehicle's air conditioning system.
Detailed Product Description
The Four Seasons 66300 A/C refrigerant suction hose is a critical component in the HVAC system of Audi A6 and A6 Quattro vehicles. It serves as the low-pressure suction line, facilitating the flow of R134-a refrigerant back to the compressor. Both ends feature P-nut fittings, providing secure and leak-resistant connections. The hose assembly includes green O-rings ([24684] and [24635]) to maintain a tight seal and prevent refrigerant loss. This part comes without a switch service port, muffler, or bracket, focusing on essential functionality. The included fittings and gasket simplify installation and ensure a proper fit. As an OE replacement, it meets factory standards for durability and performance.
Common Issues Addressed by This Hose Assembly
- Refrigerant leaks due to worn or damaged suction hoses
- Reduced A/C system efficiency from compromised low-pressure lines
- Failure of P-nut fittings causing loss of refrigerant pressure
- O-ring degradation leading to refrigerant seepage
- Incompatibility or improper fit of aftermarket hoses in Audi A6 and A6 Quattro models
Installation Notes and Tips
- Ensure the vehicle is compatible: Audi A6 and A6 Quattro models only
- Verify that the refrigerant type is R134-a before installation
- Replace O-rings with the included green O-rings to maintain proper sealing
- Use appropriate tools to tighten P-nut fittings without over-torquing
- Inspect the hose assembly for any damage before installation
Quality Assurance and Warranty
The Four Seasons Hose Assembly 66300 is manufactured to meet OEM specifications, ensuring reliable performance and fitment for Audi A6 and A6 Quattro vehicles. This part is an exact OE replacement, providing confidence in durability and system compatibility. While specific warranty details are not provided, Four Seasons products typically adhere to industry standards for quality and reliability.
| Brand | Four Seasons |
|---|---|
| Part Number | 66300 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Component Type | Suction Line |
| Description | Hose Assemblies |
| End 1 Type | P-Nut Fitting |
| End 2 Type | P-Nut Fitting |
| Fittings Included | Included |
| Friction Material Attachment | w/o Switch Port |
| Gasket Or Seal Included | Included |
| Material | Aluminum / Rubber |
| Muffler? | w/o Muffler |
| O-Ring A Number/Desc | [24684] / Green O-Ring |
| O-Ring B Number/Desc | [24635] / Green Round O-Ring |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134-A |
| Service Port Qty | 1 |
| Service Port Size | 13 mm |
| Service Port? | w/o Service Port |
| Suction End Type | P-Nut Fitting |
| Sve Port Low Side | Low Side |
| Switch Included? | Not Included |
| System Pressure | Low Pressure |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Audi | A6 | 2.0L | L4 | N/A | Suction Line; w/ R134a; To 3/16/15; Hose Assembly |
| 2016 | Audi | A6 Quattro | 2.0L | L4 | N/A | Suction Line; w/ R134a; To 3/16/15; Hose Assembly |
| 2015 | Audi | A6 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2015 | Audi | A6 Quattro | 2.0L | L4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2014 | Audi | A6 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2014 | Audi | A6 Quattro | 2.0L | L4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2013 | Audi | A6 | 2.0L | L4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2013 | Audi | A6 Quattro | 2.0L | L4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2012 | Audi | A6 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; 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.