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Four Seasons 66544 A/C Refrigerant Liquid Hose
Overview of Four Seasons Hose Assembly 66544
The Four Seasons Hose Assembly 66544 is designed specifically for the Ford Fiesta HVAC system. This A/C refrigerant liquid hose is engineered to handle high-pressure R134a refrigerant, ensuring reliable performance in your vehicle's air conditioning system.
- Constructed from durable aluminum and rubber materials
- Compatible with R134a refrigerant type
- Includes gasket and fittings for secure installation
- Features P-nut fittings on both liquid and suction ends
- Equipped with an orifice tube and slim line sealing washers (O-Rings)
- OEM replacement part designed without a service port or bracket
Four Seasons Hose Assembly Product Line Details
The Hose Assembly product line by Four Seasons focuses on delivering precise HVAC hose and pipe replacements that meet original equipment specifications. The 66544 liquid line hose assembly is part of this line, providing a direct fit solution for the Ford Fiesta without the need for additional modifications. This line emphasizes quality materials and proper sealing components to maintain system integrity under high pressure.
Detailed Product Description
This A/C refrigerant liquid hose assembly is constructed with a combination of aluminum and rubber to withstand the demands of high-pressure R134a refrigerant systems. The hose includes two slim line sealing washers (O-Rings) identified as part number 24401, ensuring a tight seal to prevent leaks. The assembly comes with all necessary fittings but does not include a bracket or service port, making it a straightforward replacement for the Ford Fiesta’s liquid line. The P-nut fitting style on both the liquid and suction ends facilitates secure connections, while the integrated orifice tube helps regulate refrigerant flow within the system.
Common Applications and Issues Addressed
- Replacement of worn or damaged A/C refrigerant liquid hoses in Ford Fiesta models
- Resolution of refrigerant leaks caused by degraded seals or fittings
- Restoration of proper refrigerant flow and system pressure
- Correction of A/C system performance issues related to hose assembly failure
- Maintenance of high-pressure system integrity for R134a refrigerant
Installation Notes and Tips
- Ensure the system is fully depressurized before removal of the old hose assembly
- Verify compatibility with Ford Fiesta HVAC system prior to installation
- Use the included gasket and fittings to secure connections and prevent leaks
- Inspect O-rings for damage and replace if necessary during installation
- Follow manufacturer torque specifications for P-nut fittings to avoid overtightening
Quality Assurance and Warranty
The Four Seasons Hose Assembly 66544 is an OEM replacement part designed to meet or exceed original equipment standards. It includes all necessary sealing components to ensure a reliable fit and function. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Four Seasons |
|---|---|
| Part Number | 66544 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Description | Hose Assemblies |
| Fittings Included | Included |
| Friction Material Attachment | w/o Switch Port |
| Gasket Or Seal Included | Included |
| Liquid Line Style | P-Nut Fitting |
| Material | Aluminum / Rubber |
| O-Ring A Number/Desc | [24401] / Slim Line Sealing Washer |
| O.E. Replacement? | Yes |
| Orifice Tube? | w/ Orifice Tube |
| Refrigerant Type | R134a |
| Service Port? | w/o Service Port |
| Style | Liquid Line Hose Assembly w/o Orifice Tube |
| Suction End Type | P-Nut Fitting |
| System Pressure | High Pressure |
| Type | Liquid Line |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Ford | Fiesta | 1.6L | L4 | N/A | Fitment: Without Orifice Tube.; Hose Assembly |
| 2018 | Ford | Fiesta | 1.6L | L4 | N/A | Fitment: Without Orifice Tube.; Hose Assembly |
| 2017 | Ford | Fiesta | 1.6L | L4 | N/A | Fitment: Without Orifice Tube.; Hose Assembly |
| 2016 | Ford | Fiesta | 1.6L | L4 | N/A | Fitment: Without Orifice Tube.; Hose Assembly |
| 2015 | Ford | Fiesta | 1.6L | L4 | N/A | Fitment: Without Orifice Tube.; Hose Assembly |
| 2014 | Ford | Fiesta | 1.6L | L4 | N/A | Fitment: Without Orifice Tube.; 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.