HomeHVAC > Hoses and PipesFour Seasons 66325 A/C Refrigerant Suction Hose - Rear
Part #: 66325

Four Seasons 66325 A/C Refrigerant Suction Hose - Rear

Hose Assembly, Rear
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, Rear
Fitment: Mercedes-Benz, R350, R320, R500, and R63 AMG
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Overview of Four Seasons Hose Assembly 66325

The Four Seasons Hose Assembly 66325 is designed specifically for Mercedes-Benz models including the R63 AMG, R320, R350, and R500. This A/C refrigerant suction hose ensures reliable low-pressure operation within your vehicle's HVAC system, maintaining optimal air conditioning performance.

  • Constructed from durable aluminum and rubber materials
  • Includes P-nut fitting on one end and flange suction end
  • Compatible with R134a refrigerant type
  • Comes with gasket and fittings included for secure installation
  • OE replacement part designed without switch service port or muffler

Four Seasons Hose Assembly Product Line Details

The Hose Assembly line by Four Seasons focuses on delivering precise HVAC hose and pipe components engineered for specific vehicle applications. The 66325 part is part of this line, offering a direct OE replacement suction line that supports low-pressure refrigerant flow without additional brackets or mufflers, ensuring a straightforward fit and function for Mercedes-Benz models.

Detailed Product Description

This A/C refrigerant suction hose assembly features a combination of aluminum and rubber construction, providing durability and flexibility needed for the HVAC system. The hose includes a P-nut fitting on one end and a flange suction end, designed to connect securely within the system. It is compatible with R134a refrigerant and operates under low system pressure. The assembly comes with a green O-ring (part number 24642) and necessary fittings, but does not include a switch or service port, bracket, or muffler. This part is an exact OE replacement, ensuring compatibility and reliable performance for Mercedes-Benz R63 AMG, R320, R350, and R500 models.

Common Applications and Issues Addressed

  • Replacement of worn or leaking A/C refrigerant suction hoses
  • Restoring proper refrigerant flow in low-pressure HVAC systems
  • Eliminating refrigerant leaks caused by damaged fittings or seals
  • Resolving A/C system inefficiencies due to faulty suction lines
  • Maintaining OEM specifications for Mercedes-Benz HVAC components

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66325, ensure the green O-ring is properly seated to prevent refrigerant leaks. The included fittings and gasket should be used to secure connections tightly. This hose assembly does not include a bracket or muffler, so verify existing mounting points on the vehicle. Compatible with Mercedes-Benz R63 AMG, R320, R350, and R500 models, it is important to confirm fitment before installation.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OE replacement part, meeting original equipment standards for fit and function. The product includes all necessary seals and fittings to ensure a reliable installation. While specific warranty details are not provided here, Four Seasons parts typically come with a limited warranty covering defects in materials and workmanship.

BrandFour Seasons
Part Number66325
PositionHose Assembly, Rear
Bracket?w/o Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeP-Nut Fitting
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24642] / Green O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port?w/o Service Port
Suction End TypeFlange
Switch Included?Not Included
System PressureLow Pressure

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012Mercedes-BenzR3503.5LV6RearSuction Line; 2nd Section; Separation Point to Expansion Valve; Hose Assembly
2011Mercedes-BenzR350RearSuction Line; 2nd Section; Separation Point to Expansion Valve; Hose Assembly
2010Mercedes-BenzR3503.5LV6N/ASuction Line; 2nd Section; Separation Point to Expansion Valve; Hose Assembly
2010Mercedes-BenzR3503.0LV6RearSuction Line; 2nd Section; Separation Point to Expansion Valve; Hose Assembly
2009Mercedes-BenzR320RearSuction Line; 2nd Section; Separation Point to Expansion Valve; Hose Assembly
2009Mercedes-BenzR350RearSuction Line; 2nd Section; Separation Point to Expansion Valve; Hose Assembly
2008Mercedes-BenzR320RearSuction Line; 2nd Section; Separation Point to Expansion Valve; Hose Assembly
2008Mercedes-BenzR350RearSuction Line; 2nd Section; Separation Point to Expansion Valve; Hose Assembly
2007Mercedes-BenzR320RearSuction Line; 2nd Section; Separation Point to Expansion Valve; Hose Assembly
2007Mercedes-BenzR350RearSuction Line; 2nd Section; Separation Point to Expansion Valve; Hose Assembly
2007Mercedes-BenzR500RearSuction Line; 2nd Section; Separation Point to Expansion Valve; Hose Assembly
2007Mercedes-BenzR63 AMGRearSuction Line; 2nd Section; Separation Point to Expansion Valve; Hose Assembly
2006Mercedes-BenzR350RearSuction Line; 2nd Section; Separation Point to Expansion Valve; Hose Assembly
2006Mercedes-BenzR500RearSuction Line; 2nd Section; Separation Point to Expansion Valve; 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:

211222251830141566325785668A82824

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