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Four Seasons 66318 A/C Refrigerant Discharge Hose
Overview of Four Seasons Hose Assembly 66318
The Four Seasons Hose Assembly 66318 is designed specifically for Mercedes-Benz models including the C300, C350, E300, E350, GLK300, and GLK350. This A/C refrigerant discharge hose ensures reliable performance by using durable aluminum and rubber materials, engineered to handle R134a refrigerant systems.
- Constructed from aluminum and rubber for durability and flexibility
- Compatible with R134a refrigerant systems
- Includes necessary fittings and green O-rings for a secure seal
- Original equipment replacement discharge line without a service port or bracket
- Designed with a P-nut fitting on the suction end for proper connection
Detailed Product Description
The Four Seasons Hose Assembly 66318 belongs to the Hose Assembly product line, which focuses on providing high-quality hose assemblies for automotive HVAC systems. This particular discharge hose is an OE replacement part, ensuring it meets the specifications required for proper function in Mercedes-Benz vehicles. The assembly includes green O-rings (part numbers 24649 and 24677) to maintain a tight seal and prevent refrigerant leaks. It is designed without a muffler, bracket, or service port, which aligns with the original equipment configuration for the specified Mercedes-Benz models.
Applications and Problem Solving
This A/C refrigerant discharge hose is used in the air conditioning system to transport refrigerant from the compressor to the condenser. It addresses several common issues:
- Leaks caused by worn or damaged discharge hoses
- Reduced A/C efficiency due to improper refrigerant flow
- Failure of original hoses due to material degradation
- Compatibility problems with aftermarket hoses lacking proper fittings
- Maintaining system integrity with included O-rings and fittings
Installation Notes and Tips
- Ensure the vehicle is compatible: Mercedes-Benz C300, C350, E300, E350, GLK300, GLK350
- Verify that the refrigerant type is R134a before installation
- Use the included green O-rings to prevent leaks and ensure a proper seal
- Check the P-nut fitting for secure attachment on the suction end
- Installation should be performed by a qualified technician to maintain system integrity
Quality Assurance and Warranty
Four Seasons products are engineered to meet or exceed original equipment standards. The Hose Assembly 66318 is an OE replacement part, ensuring compatibility and reliability. The product includes all necessary fittings and seals to maintain system performance. Warranty details should be confirmed with the product documentation or supplier, as they may vary.
| Brand | Four Seasons |
|---|---|
| Part Number | 66318 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Component Type | Discharge Line |
| Description | Hose Assemblies |
| 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 | [24649] / Green O-Ring |
| O-Ring B Number/Desc | [24677] / Green O-Ring |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| Service Port? | w/o Service Port |
| Suction End Type | P-Nut Fitting |
| Switch Included? | Not Included |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Mercedes-Benz | C300 | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2011 | Mercedes-Benz | C350 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | ||
| 2010 | Mercedes-Benz | C300 | 3.0L | V6 | N/A | Discharge Line; From Compressor; Hose Assembly |
| 2010 | Mercedes-Benz | C300 | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2010 | Mercedes-Benz | C350 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | ||
| 2010 | Mercedes-Benz | E300 | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2010 | Mercedes-Benz | E350 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | ||
| 2010 | Mercedes-Benz | GLK300 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | ||
| 2010 | Mercedes-Benz | GLK350 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | ||
| 2009 | Mercedes-Benz | C300 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | ||
| 2009 | Mercedes-Benz | C350 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | ||
| 2008 | Mercedes-Benz | C300 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | ||
| 2008 | Mercedes-Benz | C350 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; 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.