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Four Seasons 66535 A/C Refrigerant Discharge / Suction Hose Assembly
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.
| Brand | Four Seasons |
| Part Number | 66535 |
| Position | Hose Assembly |
| Bracket? | w/ Bracket |
| Discharge End IN | 0.460 |
| Discharge End MM | 11.660 |
| Discharge End Style | P-Nut Fitting |
| Discharge End Type | P-Nut Fitting |
| Friction Material Attachment | w/o Switch Port |
| Gasket Or Seal Included | Included |
| Manifold Suc Style | Block |
| Manifold? | Yes |
| Material | Aluminum / Rubber |
| Muffler? | w/ Muffler |
| O-Ring B Number/Desc | [24403] / Slimline Washer |
| O-Rings Included? | Included |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| Service Port? | w/o Service Port |
| Suction End IN | 0.689 |
| Suction End MM | 17.500 |
| Suction End Style | P-Nut Fitting |
| Suction End Type | P-Nut Fitting |
| Switch Included? | w/o Switch Port |
| Type | Discharge & Suction Line |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2012 | Ford | Fusion | 3.0L | V6 | N/A | Hose Assembly | |
| 2012 | Ford | Fusion | 3.0L | V6 | FLEX | N/A | Hose Assembly |
| 2011 | Ford | Fusion | 3.0L | V6 | N/A | Hose Assembly | |
| 2011 | Ford | Fusion | 3.0L | V6 | FLEX | N/A | Hose Assembly |
| 2011 | Mercury | Milan | 3.0L | V6 | FLEX | N/A | Hose Assembly |
| 2010 | Ford | Fusion | 3.0L | V6 | N/A | Hose Assembly | |
| 2010 | Ford | Fusion | 3.0L | V6 | FLEX | N/A | Hose Assembly |
| 2010 | Mercury | Milan | 3.0L | V6 | FLEX | 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.