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Four Seasons 66968 A/C Suction and Liquid Line Hose Assembly
| Brand | Four Seasons 66968 |
|---|---|
| Material | Aluminum / rubber |
| End 1 Type | P-nut fitting |
| End 2 Type | P-nut fitting |
| Refrigerant Type | R1234yf |
| Gasket Or Seal Included | Included |
| Switch Service Port | Yes |
| Fittings Included | Included |
| Bracket? | W/o bracket |
| Description | Hose assemblies |
| Muffler? | W/ muffler |
| Service Port Included | Yes |
| Style | Hose assembly w/ ihx |
| Type | Suction & liquid line |
| Product line | Hose Assembly |
| Fits | Kia · 3 vehicles |
Hose assembly. Built as a suction and liquid line for HVAC service.
Aluminum / rubber construction. Combines strength with flexibility for dependable routing.
Integrated muffler. Helps reduce noise in the refrigerant line.
Cross-references Four Seasons 66968, 97775D5050 and 211879 for the same application. See all 4.
OE-Style A/C Hose Assembly for Optima
Four Seasons 66968 is an A/C suction and liquid line hose assembly built for 2016-2018 Kia Optima models with R1234yf refrigerant. It combines aluminum and rubber construction with an integrated muffler and IHX style layout for a direct-fit HVAC service replacement.
This Four Seasons hose assembly line is backed by more than 50 years of mobile A/C experience and is engineered and tested for dependable operation in automotive climate control systems. Part number 66968 is a fitment-specific replacement for the Kia Optima A/C line application listed below.
- Fits 2016-2018 Kia Optima, N/A
- Part number 66968 for the listed Kia Optima application
- Aluminum / rubber construction
- End 1 type: P-Nut fitting
- End 2 type: P-Nut fitting
- For R1234yf refrigerant systems
- Service port included with switch service port
- Gasket or seal included
- Fittings included
- Style: hose assembly with IHX
- Type: suction and liquid line
- With muffler; without bracket
Product Details
Four Seasons 66968 is an HVAC hose assembly designed for the suction and liquid line path in the air conditioning system. The aluminum and rubber construction supports routing flexibility and system connection integrity, while the included service port and seal details simplify replacement of the original line assembly. If you are replacing a leaking or damaged Kia Optima A/C hose assembly, this part number 66968 matches the listed 2016-2018 Kia Optima, N/A application with R1234yf refrigerant.
This part cross-references OE-style numbers 97775D5050 and 211879 for the same application.
Common Replacement Reasons
- A/C refrigerant loss from a cracked or leaking hose assembly
- Damaged suction or liquid line connections
- Service port wear or leakage at the line assembly
- Reduced cooling performance from compromised HVAC line integrity
- Need for a direct replacement on a 2016-2018 Kia Optima with R1234yf
Installation Notes
Verify the vehicle uses R1234yf refrigerant and confirm the hose routing, fitting style, and service port layout before installation. Replace the line assembly only after the system has been properly recovered and inspected, and check all sealing surfaces for contamination or damage. Because this assembly is listed without a bracket, compare the original mounting arrangement to ensure the correct OE-style transfer of components.
Quality Assurance
Four Seasons states that its products are engineered and tested for years of trouble-free operation, drawing on more than 50 years of mobile A/C experience. Part number 66968 is built to support the listed Kia Optima application with the specified hose assembly configuration.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2018 | Kia | Optima | 2.4L | L4 | — | N/A | w/ R1234yf; Hose Assembly |
| 2017 | Kia | Optima | 2.4L | L4 | — | N/A | w/ R1234yf; Hose Assembly |
| 2016 | Kia | Optima | 2.4L | L4 | GAS | N/A | w/ R1234yf; Hose Assembly |
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