HomeHVAC > Hoses and PipesFour Seasons 66535 A/C Refrigerant Discharge / Suction Hose Assembly
Part #: 66535

Four Seasons 66535 A/C Refrigerant Discharge / Suction Hose Assembly

Hose Assembly
⚙️ 8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Ford and Mercury, Fusion and Milan
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Hose Assembly 66535

The Four Seasons Hose Assembly 66535 is designed specifically for Ford Fusion and Mercury Milan models, providing reliable A/C refrigerant discharge and suction line functionality. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient refrigerant flow and system integrity for vehicles using R134a refrigerant.

  • Material: Aluminum and rubber construction for durability and flexibility
  • Refrigerant Type: Compatible with R134a refrigerant
  • Includes gasket, O-rings, and slimline washers for secure sealing
  • Equipped with a bracket and muffler for proper mounting and noise reduction
  • Discharge and suction ends feature P-nut fittings for secure connections
  • Designed as an OE replacement part for Ford Fusion and Mercury Milan

Detailed Product Features and Specifications

This A/C refrigerant discharge and suction hose assembly from Four Seasons is engineered to meet original equipment standards. The discharge end measures 0.460 inches (11.66 mm) with a P-nut fitting style, while the suction end is 0.689 inches (17.5 mm), also with a P-nut fitting. The assembly includes two O-ring A and two O-ring B slimline washers (part number 24403) to ensure leak-free connections. A bracket is included for secure installation, and the integrated muffler helps reduce system noise. This hose assembly does not include a service port or switch port, aligning with the original equipment design.

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing high-quality hoses and pipes for HVAC systems in vehicles. This product line emphasizes durability and precise fitment, ensuring compatibility with specific vehicle makes and models. The 66535 hose assembly is part of this line, offering a direct replacement solution for Ford Fusion and Mercury Milan A/C systems that use R134a refrigerant.

Common Applications and Issues Addressed

  • Replacement of worn or leaking A/C refrigerant discharge and suction hoses
  • Restoring proper refrigerant flow in Ford Fusion and Mercury Milan HVAC systems
  • Eliminating A/C system noise through the included muffler
  • Preventing refrigerant leaks with included O-rings and gaskets
  • Ensuring secure hose mounting with the integrated bracket

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66535, ensure all O-rings and gaskets are properly seated to prevent leaks. The P-nut fittings on both discharge and suction ends require careful tightening to manufacturer torque specifications. The included bracket should be used to secure the hose assembly firmly in place, and the muffler should be positioned to minimize noise transmission. This assembly is designed without a service port or switch port, so no additional switch installation is necessary.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an original equipment replacement, meeting strict quality standards for fit and function. The inclusion of all necessary seals and mounting hardware supports reliable performance. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship.

BrandFour Seasons
Part Number66535
PositionHose Assembly
Bracket?w/ Bracket
Discharge End IN0.460
Discharge End MM11.660
Discharge End StyleP-Nut Fitting
Discharge End TypeP-Nut Fitting
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
Manifold Suc StyleBlock
Manifold?Yes
MaterialAluminum / Rubber
Muffler?w/ Muffler
O-Ring B Number/Desc[24403] / Slimline Washer
O-Rings Included?Included
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port?w/o Service Port
Suction End IN0.689
Suction End MM17.500
Suction End StyleP-Nut Fitting
Suction End TypeP-Nut Fitting
Switch Included?w/o Switch Port
TypeDischarge & Suction Line

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2012FordFusion3.0LV6N/AHose Assembly
2012FordFusion3.0LV6FLEXN/AHose Assembly
2011FordFusion3.0LV6N/AHose Assembly
2011FordFusion3.0LV6FLEXN/AHose Assembly
2011MercuryMilan3.0LV6FLEXN/AHose Assembly
2010FordFusion3.0LV6N/AHose Assembly
2010FordFusion3.0LV6FLEXN/AHose Assembly
2010MercuryMilan3.0LV6FLEXN/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:

211446346460366535781545A83053AE5Z19CD734BHA113556CYF3513

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