HomeHVAC > Hoses and PipesFour Seasons 55561 A/C Refrigerant Discharge / Suction Hose Assembly
Part #: 55561

Four Seasons 55561 A/C Refrigerant Discharge / Suction Hose Assembly

Hose Assembly
14 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Hose Assembly
Fitment: Mercedes-Benz, 560SEC, 560SEL, and 420SEL
Easy Returns — Return within 60 days for a full refund
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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.

BrandFour Seasons
Part Number55561
PositionHose Assembly
Bracket?w/ Bracket
Discharge End StyleUNF O-Ring
Discharge End TypeFemale O-Ring
Fittings IncludedNot Included
Friction Material Attachmentw/ Switch Port
Gasket Or Seal IncludedIncluded
Manifold?Yes
MaterialAluminum / 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 TypeR134a
Service Port?w/o Service Port
Suction End StyleUNF O-Ring
Suction End TypeMale O-ring
Switch Included?w/ Switch Port
TypeDischarge & Suction Line

This part fits 14 vehicles. Search below:

YearMakeModelPositionNotes
1990Mercedes-Benz560SECN/AHose Assembly
1990Mercedes-Benz560SELN/AHose Assembly
1989Mercedes-Benz420SELN/AHose Assembly
1989Mercedes-Benz560SECN/AHose Assembly
1989Mercedes-Benz560SELN/AHose Assembly
1988Mercedes-Benz420SELN/AHose Assembly
1988Mercedes-Benz560SECN/AHose Assembly
1988Mercedes-Benz560SELN/AHose Assembly
1987Mercedes-Benz420SELN/AHose Assembly
1987Mercedes-Benz560SECN/AHose Assembly
1987Mercedes-Benz560SELN/AHose Assembly
1986Mercedes-Benz420SELN/AHose Assembly
1986Mercedes-Benz560SECN/AHose Assembly
1986Mercedes-Benz560SELN/AHose 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:

11155561117130145715321941919151620059524764135753781382518175556178138280251288999934A90595AC5533CWK781382HA1832T55561XH641

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.