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Four Seasons 66979 A/C Suction and Liquid Line Hose Assembly
Overview of Four Seasons Hose Assembly 66979
The Four Seasons Hose Assembly 66979 is designed specifically for Jeep Cherokee models, providing reliable HVAC performance. This A/C suction and liquid line hose assembly is engineered with durable aluminum and rubber materials to ensure long-lasting operation in your vehicle's air conditioning system.
- Constructed from aluminum and rubber for durability and flexibility
- Features a P-nut fitting on one end and a flange on the other for secure connections
- Compatible with R134a and R1234yf refrigerants
- Includes gasket, fittings, and a service port for maintenance access
- Designed without a bracket and muffler for streamlined installation
- Incorporates an integrated heat exchanger (IHX) style hose assembly
About the Four Seasons Hose Assembly Product Line
The Four Seasons Hose Assembly line focuses on providing complete hose assemblies for HVAC systems, combining multiple components into a single unit. This approach simplifies replacement and ensures compatibility between suction and liquid line hoses. The 66979 part number is part of this line, offering a pre-assembled solution that meets OEM specifications for Jeep Cherokee vehicles.
Detailed Product Description
This A/C suction and liquid line hose assembly is constructed with a combination of aluminum and rubber materials, balancing strength and flexibility to withstand the pressures and temperatures of automotive air conditioning systems. The P-nut fitting on one end and flange on the other provide secure, leak-resistant connections. It supports both R134a and R1234yf refrigerants, making it suitable for modern and legacy A/C systems. The inclusion of a gasket and fittings ensures a proper seal, while the built-in service port allows for easy system diagnostics and maintenance. The hose assembly is designed without a bracket or muffler, focusing on a straightforward installation process.
Common Applications and Issues Addressed
- Replacement of worn or leaking A/C suction and liquid line hoses in Jeep Cherokee models
- Restoring proper refrigerant flow and pressure in the HVAC system
- Resolving refrigerant leaks caused by damaged fittings or seals
- Upgrading to a hose assembly compatible with both R134a and R1234yf refrigerants
- Facilitating easier maintenance with an integrated service port
Installation Notes and Tips
When installing the Four Seasons Hose Assembly 66979, ensure the P-nut fitting and flange connections are properly tightened to prevent leaks. Verify compatibility with your Jeep Cherokee's refrigerant type before installation. The included gasket and fittings should be inspected for damage and replaced if necessary. Since this assembly does not include a bracket, secure the hose assembly according to vehicle-specific mounting points to avoid vibration or wear.
Quality Assurance and Warranty
Four Seasons products are manufactured to meet or exceed OEM standards for fit and function. The Hose Assembly 66979 undergoes rigorous quality control to ensure durability and performance in demanding automotive environments. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use.
| Brand | Four Seasons |
| Part Number | 66979 |
| Position | Hose Assembly |
| Material | Aluminum / rubber |
| End 1 Type | P-nut fitting |
| End 2 Type | Flange |
| Refrigerant Type | R134a r1234yf |
| Gasket Or Seal Included | Included |
| Switch Service Port | Yes |
| Fittings Included | Included |
| Bracket? | W/o bracket |
| Description | Hose assemblies |
| Muffler? | No |
| Service Port Included | Yes |
| Style | Hose assembly w/ ihx |
| Type | Suction & liquid line |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2023 | Jeep | Cherokee | 2.4L | L4 | N/A | w/ R1234yf; Hose Assembly |
| 2022 | Jeep | Cherokee | 2.4L | L4 | N/A | w/ R1234yf; Hose Assembly |
| 2021 | Jeep | Cherokee | 2.4L | L4 | N/A | w/ R1234yf; Hose Assembly |
| 2020 | Jeep | Cherokee | 2.4L | L4 | N/A | w/ R1234yf; Hose Assembly |
| 2019 | Jeep | Cherokee | 2.4L | L4 | N/A | w/ R1234yf; 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.