OE Quality
60-Day Returns

Four Seasons 66516 A/C Suction and Liquid Line Hose Assembly - Front
Overview of Four Seasons Hose Assembly 66516
The Four Seasons Hose Assembly 66516 is designed specifically for the Kia Sedona HVAC system, providing reliable A/C suction and liquid line hose functionality. Constructed with durable aluminum and rubber materials, this hose assembly supports both high and low pressure refrigerant flow using R134a refrigerant.
- Compatible with Kia Sedona models
- Constructed from aluminum and rubber for durability
- Includes P-nut fittings on both ends for secure connections
- Equipped with a service port and switch service port for easy maintenance
- Comes with necessary gaskets, seals, and fittings included
- Supports both high pressure and low pressure A/C system operation
- Includes mounting bracket and manifold for proper installation
- O-rings included for leak prevention (green o-rings part numbers 24682, 24641, 24109)
Detailed Product Description
The Four Seasons Hose Assembly from the Hose Assembly product line is engineered to meet original equipment specifications for Kia Sedona vehicles. This A/C suction and liquid line hose assembly (part number 66516) features P-nut fittings on both ends, ensuring a secure and leak-resistant connection within the HVAC system. The assembly is compatible with R134a refrigerant and is designed to handle both high and low system pressures, making it suitable for comprehensive air conditioning system repairs or replacements.
This hose assembly includes a service port and a switch service port, facilitating system diagnostics and refrigerant charging. The package also contains all necessary gaskets, seals, and fittings, including multiple green O-rings (part numbers 24682, 24641, and 24109) to ensure a tight seal and prevent refrigerant leaks. Additionally, the assembly comes with a mounting bracket and manifold to support proper installation and system integration. The hose assembly is designed without an orifice tube or muffler, focusing on essential hose functionality.
Applications and Common Issues Addressed
- Replacement of worn or damaged A/C suction and liquid line hoses in Kia Sedona
- Resolution of refrigerant leaks caused by degraded seals or fittings
- Repair of HVAC system pressure inconsistencies due to faulty hose assemblies
- Restoration of proper refrigerant flow in R134a systems
- Facilitation of maintenance and service through integrated service ports
Installation Notes and Tips
- Ensure compatibility with Kia Sedona model year before installation
- Use included gaskets and O-rings to prevent leaks and maintain system integrity
- Carefully tighten P-nut fittings to manufacturer torque specifications
- Verify the presence of the mounting bracket and manifold for secure hose positioning
- Check for proper alignment of service ports to facilitate future maintenance
Quality Assurance and Warranty
The Four Seasons Hose Assembly 66516 is an original equipment replacement part designed to meet or exceed OEM standards for Kia Sedona vehicles. The product line emphasizes durability and precise fitment to ensure reliable HVAC system performance. This hose assembly includes all necessary components for a complete installation and is backed by Four Seasons' quality assurance protocols. Warranty details should be confirmed with the product documentation or manufacturer.
| Brand | Four Seasons |
| Part Number | 66516 |
| Position | Hose Assembly, Front |
| Bracket? | w/ Bracket |
| Description | Hose Assemblies |
| End 1 Type | P-Nut Fitting |
| End 2 Type | P-Nut Fitting |
| Fittings Included | Included |
| Friction Material Attachment | w/ Switch Port |
| Gasket Or Seal Included | Included |
| Liquid Line Style | P-Nut Fitting |
| Manifold? | w/ Manifold |
| Material | Aluminum / Rubber |
| Muffler? | w/o Muffler |
| O-Ring A Number/Desc | [24682] / Green O-Ring |
| O-Ring C Number/Desc | [24641] / Green O-Ring |
| O-Ring D Number/Desc | [24109] / Green O-Ring |
| O.E. Replacement? | Yes |
| Orifice Tube? | w/o Orifice Tube |
| Refrigerant Type | R134a |
| Service Port Qty | 1 |
| Service Port? | w/ Service Port |
| Style | Hose Assembly w/ IHX |
| Suction End Size | No. 12 |
| Suction End Type | P-Nut Fitting |
| Svc Port High Side | High Side |
| Sve Port Low Side | Low Side |
| Switch Port Size | M10X1.25 |
| System Pressure | High Pressure / Low Pressure |
| Type | Suction & Liquid Line |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2018 | Kia | Sedona | N/A | Hose Assembly |
| 2017 | Kia | Sedona | N/A | Hose Assembly |
| 2016 | Kia | Sedona | Front | w/ Refrigerant Suction Hose; Hose Assembly |
| 2015 | Kia | Sedona | 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.