Four Seasons 66977 A/C Suction and Liquid Line Hose Assembly

Four Seasons 66977 A/C Hose Assembly

Four Seasons 66977 is an A/C suction and liquid line hose assembly built for the 2018-2021 Hyundai Kona. It uses aluminum and rubber construction, includes the required seals and fittings, and is configured with P-nut fittings for a direct-service replacement on the vehicle’s refrigerant line routing.

Four Seasons hose assemblies are backed by more than 50 years of mobile A/C experience and are engineered and tested for dependable operation. This Four Seasons 66977 hose assembly is specified for R134A and R1234YF refrigerant systems and includes an integrated muffler and service port provisions.

Key Features

• Part number 66977 A/C suction and liquid line hose assembly
• Fits 2018-2021 Hyundai Kona
• Aluminum / rubber construction for HVAC line service
• P-nut fitting on both ends
• For R134A and R1234YF refrigerant systems
• Gasket or seal included
• Fittings included
• Service port included with switch service port
• Hose assembly with IHX
• With muffler, without bracket

Product Details

This hose assembly is designed for the A/C suction and liquid line circuit on the Hyundai Kona, helping restore proper refrigerant flow through the HVAC system. The aluminum and rubber design supports the routing and connection requirements of the factory-style line assembly, while the included seals and fittings help simplify replacement. If you are searching for a Hyundai Kona A/C hose assembly, Four Seasons 66977 is a direct-reference option for 2018, 2019, 2020, and 2021 models.

This part cross-references Continental 66977 for the same application.

What It Helps Address

• Refrigerant leaks at the suction or liquid line hose assembly
• Cracked, worn, or damaged A/C hose sections
• Loss of cooling performance from line restriction or leakage
• Service port or fitting wear on the Hyundai Kona HVAC system
• Replacement needs for R134A or R1234YF refrigerant line service

Installation Notes

Verify the vehicle’s refrigerant type, line routing, and connector style before installation. This assembly uses P-nut fittings and is supplied without a bracket, so confirm the mounting layout on the vehicle before removal of the original line. Proper evacuation, leak checking, and recharge procedures should be followed after installation to protect the A/C system.

Quality Assurance

Four Seasons engineers and tests its mobile A/C products for dependable service, drawing on more than five decades of HVAC experience. Part number 66977 is built to meet the demands of replacement service on the Hyundai Kona A/C system.