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Four Seasons 55579 A/C Refrigerant Discharge / Suction Hose Assembly
Overview of Four Seasons Hose Assembly 55579
The Four Seasons Hose Assembly 55579 is designed specifically for Mercedes-Benz models 260E, 300CE, and 300E. This A/C refrigerant discharge and suction hose assembly ensures reliable HVAC system performance by maintaining proper refrigerant flow and pressure.
- Constructed with durable aluminum and rubber materials
- Compatible with R134a refrigerant type
- Includes green o-rings ([24610], [24612], [24622]) for secure sealing
- Equipped with a switch service port and bracket for easy installation
- Features a muffler and manifold for noise reduction and system efficiency
- Discharge and suction ends use female UNF o-ring fittings
- OE replacement part ensuring proper fit and function
Four Seasons Hose Assembly Product Line Details
The Four Seasons Hose Assembly product line focuses on providing high-quality HVAC hoses and pipes engineered to meet or exceed original equipment specifications. This line includes assemblies designed for both discharge and suction functions, incorporating essential components such as brackets, mufflers, and service ports to facilitate installation and maintain system integrity. The 55579 part is a precise fit for select Mercedes-Benz vehicles, ensuring compatibility and durability.
Detailed Product Description
This hose assembly combines aluminum and rubber materials to withstand the pressures and temperatures typical in automotive air conditioning systems. It is designed for use with R134a refrigerant, the standard for many modern vehicles. The assembly includes three green o-rings to ensure leak-free connections at both discharge and suction ends, which feature female UNF o-ring fittings. A built-in muffler reduces noise, while the included bracket secures the hose assembly in place. The switch service port allows for easy system diagnostics and maintenance. Note that fittings are not included with this assembly.
Common Applications and Issues Addressed
- Replacement of worn or leaking A/C refrigerant discharge and suction hoses
- Restoring proper refrigerant flow in Mercedes-Benz 260E, 300CE, and 300E HVAC systems
- Eliminating noise caused by damaged or missing mufflers in the hose assembly
- Resolving refrigerant leaks due to degraded o-rings or seals
- Facilitating system service with integrated switch service port
Installation Notes and Tips
- Ensure compatibility with Mercedes-Benz 260E, 300CE, or 300E before installation
- Use the included green o-rings to prevent refrigerant leaks at connection points
- Secure the hose assembly using the provided bracket to avoid vibration damage
- Check the switch service port functionality during installation for system diagnostics
- Do not reuse old fittings; this assembly does not include fittings and requires original or compatible fittings
Quality Assurance and Warranty
The Four Seasons Hose Assembly 55579 is an OE replacement part manufactured to meet original equipment standards for fit, form, and function. It includes all necessary sealing components such as o-rings and gaskets to ensure a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 55579 |
| Position | Hose Assembly |
| Bracket? | w/ Bracket |
| Discharge End Style | UNF O-Ring |
| Discharge End Type | Female O-Ring |
| Fittings Included | Not Included |
| Friction Material Attachment | w/ Switch Port |
| Gasket Or Seal Included | Included |
| Manifold? | Yes |
| Material | Aluminum / Rubber |
| Muffler? | w/ Muffler |
| O-Ring A Number/Desc | [24610] / Green O-Ring |
| O-Ring B Number/Desc | [24612] / Green O-Ring |
| O-Ring C Number/Desc | [24622] / Green O-Ring |
| O-Rings Included? | Included |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| Service Port Type | Service Port |
| Service Port? | w/o Service Port |
| Suction End Style | UNF O-Ring |
| Suction End Type | Female O-Ring |
| Switch Included? | w/ Switch Port |
| Type | Discharge & Suction Line |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1993 | Mercedes-Benz | 300CE | N/A | To Eng. 12/52 142408; Hose Assembly |
| 1990 | Mercedes-Benz | 300CE | N/A | To Eng. 12/52 142408; Hose Assembly |
| 1989 | Mercedes-Benz | 300CE | N/A | To Eng. 12/52 142408; Hose Assembly |
| 1988 | Mercedes-Benz | 300CE | N/A | To Eng. 12/52 142408; Hose Assembly |
| 1987 | Mercedes-Benz | 260E | N/A | To Eng. 12/52 142409; Hose Assembly |
| 1987 | Mercedes-Benz | 300E | N/A | From Eng. 12/52 056426; Hose Assembly |
| 1986 | Mercedes-Benz | 300E | N/A | From Eng. 12/52 056426; 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.