Four Seasons
Hose Assembly

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.

$104.03Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $104.03
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Free returns within 60 days if it doesn't fit when fitment is verified.

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.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2018KiaOptima2.4LL4N/Aw/ R1234yf; Hose Assembly
2017KiaOptima2.4LL4N/Aw/ R1234yf; Hose Assembly
2016KiaOptima2.4LL4GASN/Aw/ R1234yf; Hose Assembly
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 6696897775D5050211879A83648