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Four Seasons 66549 A/C Refrigerant Discharge Hose
Reliable A/C Refrigerant Discharge Hose for Ford and Lincoln Vehicles
The Four Seasons Hose Assembly 66549 is designed to meet the high-pressure demands of your vehicle's air conditioning system. Engineered for compatibility with select Ford and Lincoln models, this A/C refrigerant discharge hose ensures efficient refrigerant flow and system integrity.
Key Features of Four Seasons Hose Assembly 66549
- Constructed from durable aluminum and rubber materials for strength and flexibility
- Compatible with R134a refrigerant systems
- Includes gasket and fittings for secure connections
- Equipped with a switch service port (M10x1.250) for diagnostic access
- Designed as a high-pressure discharge line without muffler or bracket
- O-rings included (one each of types A, B, and C) to ensure leak-free sealing
- Original Equipment (O.E.) replacement part for reliable fit and function
- Suction end features a P-nut fitting for proper installation
About the Four Seasons Hose Assembly Product Line
The Four Seasons Hose Assembly line focuses on delivering precise HVAC hose and pipe solutions tailored to specific vehicle applications. This product line emphasizes quality materials and exact fitment to maintain the performance and safety of automotive air conditioning systems. The 66549 discharge hose is part of this line, providing a direct replacement that meets original equipment specifications for Ford Flex, Lincoln MKS, MKT, and Taurus models.
Detailed Product Description
This A/C refrigerant discharge hose is engineered to handle the high-pressure side of the air conditioning system, ensuring efficient refrigerant flow and system reliability. The combination of aluminum and rubber materials offers durability and flexibility, reducing the risk of leaks or damage under operating conditions. The inclusion of a switch service port allows for easy system diagnostics without removing the hose. With all necessary gaskets, fittings, and O-rings included, the Four Seasons 66549 hose assembly provides a comprehensive solution for maintaining your vehicle's HVAC system.
Common Applications and Issues Addressed
- Replacement of worn or damaged A/C refrigerant discharge hoses
- Resolving refrigerant leaks caused by cracked or deteriorated hoses
- Restoring proper high-pressure refrigerant flow in Ford Flex and Lincoln MKS, MKT, Taurus models
- Addressing system pressure loss due to faulty discharge lines
- Facilitating A/C system diagnostics with integrated switch service port
Installation Notes and Tips
Ensure the vehicle is depressurized and the A/C system is properly evacuated before removing the old hose. Verify that all included O-rings and gaskets are correctly seated to prevent leaks. The P-nut fitting on the suction end requires proper torque to maintain a secure connection. Although the hose assembly does not include a bracket or muffler, confirm that existing mounting points are intact and secure the hose accordingly. Use the switch service port for system pressure checks during installation.
Quality Assurance and Warranty
Four Seasons Hose Assembly 66549 is manufactured to meet or exceed original equipment standards, ensuring reliable performance and fitment. This part is an O.E. replacement designed specifically for Ford and Lincoln vehicles, providing confidence in durability and compatibility. Warranty coverage details should be confirmed with the product documentation or manufacturer.
| Brand | Four Seasons |
| Part Number | 66549 |
| Position | Hose Assembly |
| Material | Aluminum / rubber |
| Refrigerant Type | R134a |
| Component Type | Discharge line |
| System Pressure | High pressure |
| Gasket Or Seal Included | Included |
| Switch Service Port | W/ switch port |
| Fittings Included | Included |
| Bracket? | W/o bracket |
| Description | Hose assemblies |
| Muffler? | W/o muffler |
| O-Ring A Quantity | 1 |
| O-Ring B Quantity | 1 |
| O-Ring C Quantity | 1 |
| O.E. Replacement? | Yes |
| Service Port? | W/o service port |
| Suction End Type | P-nut fitting |
| Switch Included? | Not included |
| Switch Port Quantity | 1 |
| Switch Port Size | M10x1.250 |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Ford | Flex | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2019 | Ford | Taurus | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2019 | Lincoln | MKT | 3.7L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2018 | Ford | Flex | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2018 | Ford | Taurus | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2018 | Lincoln | MKT | 3.7L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2017 | Ford | Flex | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2017 | Ford | Taurus | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2017 | Lincoln | MKT | 3.7L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2016 | Ford | Flex | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2016 | Ford | Taurus | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2016 | Lincoln | MKS | 3.7L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2016 | Lincoln | MKT | 3.7L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2015 | Ford | Flex | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2015 | Ford | Taurus | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2015 | Lincoln | MKS | 3.7L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2015 | Lincoln | MKT | 3.7L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2014 | Ford | Flex | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2014 | Ford | Taurus | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2014 | Lincoln | MKS | 3.7L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2014 | Lincoln | MKT | 3.7L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2013 | Ford | Flex | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2013 | Ford | Taurus | 3.5L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2013 | Lincoln | MKS | 3.7L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2013 | Lincoln | MKT | 3.7L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; 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.