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Four Seasons 66664 A/C Suction and Liquid Line Hose Assembly
Overview of Four Seasons Hose Assembly 66664 for Hyundai Sonata
The Four Seasons Hose Assembly 66664 is designed specifically for Hyundai Sonata models, providing reliable A/C suction and liquid line hose performance. Constructed with durable aluminum and rubber materials, this hose assembly supports both high and low pressure refrigerant flow using R134a refrigerant.
- Material: Aluminum and rubber construction for durability
- End fittings: P-nut fittings on both ends for secure connections
- Refrigerant compatibility: Designed for R134a systems
- System pressure: Supports both high and low pressure lines
- Includes green O-rings ([24682] and [24611]) for proper sealing
- Service port: Equipped with one low side service port (3/8" - 24 size)
- Includes manifold and fittings, excludes bracket and muffler
- Liquid line style: Flange type
- OEM replacement part for Hyundai Sonata
Four Seasons Hose Assembly Product Line Details
The Four Seasons Hose Assembly product line focuses on delivering complete hose assemblies for automotive HVAC systems. This line includes components engineered to meet or exceed OEM specifications, ensuring compatibility and performance. The 66664 hose assembly integrates manifold and fittings to streamline installation and maintain system integrity in Hyundai Sonata vehicles.
Detailed Product Description
This A/C suction and liquid line hose assembly combines aluminum tubing with rubber sections to provide flexibility and resistance to wear. Both ends feature P-nut fittings, facilitating a secure and leak-resistant connection to the vehicle’s HVAC system. The assembly is designed for R134a refrigerant and supports both high and low pressure sides, making it suitable for the complete refrigerant circuit. Included green O-rings ensure proper sealing at connection points, reducing the risk of leaks. The flange-style liquid line and integrated manifold contribute to a precise fit and reliable operation without the need for additional brackets or mufflers.
Common Applications and Issues Addressed
- Replacement of worn or damaged A/C suction and liquid line hoses in Hyundai Sonata
- Resolving refrigerant leaks caused by cracked or deteriorated hose materials
- Restoring proper refrigerant flow and pressure balance in the HVAC system
- Eliminating issues related to faulty or missing O-rings and seals
- Upgrading OEM components with a direct replacement hose assembly
Installation Notes and Tips
When installing the Four Seasons Hose Assembly 66664, ensure all old refrigerant is properly evacuated from the system. Verify that the included green O-rings are correctly seated to prevent leaks. The P-nut fittings require careful tightening to manufacturer torque specifications to avoid damage. This assembly does not include a bracket or muffler, so confirm existing mounting points are secure. The service port on the low side allows for convenient system servicing and pressure checks.
Quality Assurance and Warranty
Four Seasons Hose Assembly 66664 is an OEM replacement part designed to meet Hyundai Sonata specifications. The product includes all necessary fittings and seals to maintain system integrity. While specific warranty details are not provided, Four Seasons products typically adhere to industry standards for durability and performance in automotive HVAC applications.
| Brand | Four Seasons |
| Part Number | 66664 |
| Position | Hose Assembly |
| Material | Aluminum / rubber |
| End 1 Type | P-nut fitting |
| End 2 Type | P-nut fitting |
| Refrigerant Type | R134a |
| System Pressure | High pressure / low pressure |
| Gasket Or Seal Included | Included |
| Switch Service Port | W/o switch port |
| Fittings Included | Included |
| Bracket? | W/o bracket |
| Description | Hose assemblies |
| Liquid Line Style | Flange |
| Manifold? | W/ manifold |
| Muffler? | W/o muffler |
| O-Ring A Number/Desc | [24682] / green o-ring |
| O-Ring A Quantity | 2 |
| O-Ring B Number/Desc | [24611] / green o-ring |
| O-Ring B Quantity | 2 |
| O.E. Replacement? | Yes |
| Orifice Tube? | W/o orifice tube |
| Service Port Qty | 1 |
| Service Port? | W/ service port |
| Style | Hose assembly w/ ihx |
| Suction End Type | P-nut fitting |
| Sve Port Low Side | Low side |
| Switch Port Quantity | 1 |
| Switch Port Size | 3/8" - 24 |
| Type | Suction & liquid line |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2017 | Hyundai | Sonata | 2.0L | L4 | GAS | N/A | Hose Assembly |
| 2017 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | Hose Assembly |
| 2017 | Hyundai | Sonata | 1.6L | L4 | GAS | N/A | Hose Assembly |
| 2016 | Hyundai | Sonata | 2.0L | L4 | GAS | N/A | Hose Assembly |
| 2016 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | Hose Assembly |
| 2016 | Hyundai | Sonata | 1.6L | L4 | GAS | N/A | Hose Assembly |
| 2015 | Hyundai | Sonata | 2.0L | L4 | GAS | N/A | Hose Assembly |
| 2015 | Hyundai | Sonata | 2.4L | L4 | N/A | Hose Assembly | |
| 2015 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | Hose Assembly |
| 2015 | Hyundai | Sonata | 1.6L | L4 | GAS | 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.