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Four Seasons 55561 A/C Refrigerant Discharge / Suction Hose Assembly
Overview of Four Seasons Hose Assembly 55561
The Four Seasons Hose Assembly 55561 is designed specifically for Mercedes-Benz models 420SEL, 560SEC, and 560SEL. This A/C refrigerant discharge and suction hose assembly ensures reliable HVAC system performance by using durable aluminum and rubber materials compatible with R134a refrigerant.
- Constructed from aluminum and rubber for durability and flexibility
- Compatible with R134a refrigerant systems
- Includes green o-rings for secure sealing (multiple included)
- Equipped with a switch service port and bracket for easy installation
- Features a muffler and manifold for noise reduction and system efficiency
- Discharge end: female o-ring with UNF thread style
- Suction end: male o-ring with UNF thread style
- O.E. replacement part ensuring proper fit and function
About the Four Seasons Hose Assembly Product Line
The Four Seasons Hose Assembly line focuses on providing high-quality HVAC hoses and pipes engineered to meet original equipment specifications. The 55561 part is part of this line, offering a complete discharge and suction hose assembly that integrates essential components such as brackets, mufflers, and switch ports. This ensures compatibility and ease of installation for specific Mercedes-Benz vehicles.
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 multiple green o-rings (part numbers 24608, 24610, 24612, 24613, and 24622) to ensure leak-free connections. The discharge end features a female o-ring with UNF threading, while the suction end has a male o-ring with the same thread style. A built-in muffler reduces noise, and the included bracket secures the assembly in place. The switch service port allows for easy system diagnostics and maintenance.
Common Applications and Issues Addressed
- Replacement of worn or leaking A/C refrigerant discharge and suction hoses
- Restoring proper refrigerant flow in Mercedes-Benz 420SEL, 560SEC, and 560SEL 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 diagnostics with the integrated switch service port
Installation Notes and Tips
- Ensure compatibility with Mercedes-Benz 420SEL, 560SEC, or 560SEL before installation
- Use the included green o-rings to replace old seals and prevent leaks
- Secure the hose assembly using the provided bracket to avoid vibration damage
- Check the switch service port connection for proper function during system servicing
- Verify that fittings are compatible as they are not included with this assembly
Quality Assurance and Warranty
The Four Seasons Hose Assembly 55561 is an original equipment replacement part designed to meet or exceed OEM standards for fit, form, and function. It includes all necessary o-rings and seals to ensure a reliable, leak-free installation. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Four Seasons |
|---|---|
| Part Number | 55561 |
| 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 | [24608] / Green O-Ring |
| O-Ring B Number/Desc | [24610] / Green O-Ring |
| O-Ring C Number/Desc | [24612] / Green O-Ring |
| O-Ring D Number/Desc | [24613] / Green O-Ring |
| O-Ring E Number/Desc | [24622] / Green O-Ring |
| O-Rings Included? | Included |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| Service Port? | w/o Service Port |
| Suction End Style | UNF O-Ring |
| Suction End Type | Male O-ring |
| Switch Included? | w/ Switch Port |
| Type | Discharge & Suction Line |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1990 | Mercedes-Benz | 560SEC | N/A | Hose Assembly |
| 1990 | Mercedes-Benz | 560SEL | N/A | Hose Assembly |
| 1989 | Mercedes-Benz | 420SEL | N/A | Hose Assembly |
| 1989 | Mercedes-Benz | 560SEC | N/A | Hose Assembly |
| 1989 | Mercedes-Benz | 560SEL | N/A | Hose Assembly |
| 1988 | Mercedes-Benz | 420SEL | N/A | Hose Assembly |
| 1988 | Mercedes-Benz | 560SEC | N/A | Hose Assembly |
| 1988 | Mercedes-Benz | 560SEL | N/A | Hose Assembly |
| 1987 | Mercedes-Benz | 420SEL | N/A | Hose Assembly |
| 1987 | Mercedes-Benz | 560SEC | N/A | Hose Assembly |
| 1987 | Mercedes-Benz | 560SEL | N/A | Hose Assembly |
| 1986 | Mercedes-Benz | 420SEL | N/A | Hose Assembly |
| 1986 | Mercedes-Benz | 560SEC | N/A | Hose Assembly |
| 1986 | Mercedes-Benz | 560SEL | N/A | 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.