Four Seasons 65979 A/C Refrigerant Suction Hose

Four Seasons 65979 A/C Suction Hose

Four Seasons 65979 is an A/C refrigerant suction hose assembly built for reliable refrigerant transfer in the HVAC system. It uses aluminum and rubber construction, includes the service port and gasket or seal, and is specified for R134A and R1234YF refrigerant systems.

Compatible with Toyota Highlander applications, this hose assembly is listed for 2017 Highlander models built from 11/2016 and for 2018-2019 Highlander models. Four Seasons 65979 is a direct-fit style replacement for the suction line service needs on these vehicles.

Key Features

• Part number 65979 A/C refrigerant suction hose assembly
• Aluminum / rubber construction for HVAC routing and refrigerant flow
• For R134A and R1234YF refrigerant systems
• Gasket or seal included
• Service port included
• Without muffler
• No switch service port and no bracket

Product Details

Four Seasons Hose Assembly line products are engineered and tested for dependable operation in mobile air conditioning systems. This suction hose assembly is built to replace the refrigerant suction line on select Toyota Highlander models, helping restore proper A/C system routing and service access. If you are searching for a Toyota Highlander A/C suction hose, Toyota Highlander suction line hose assembly, or Four Seasons 65979 replacement hose, this part matches the listed fitment and refrigerant specifications.

This part cross-references UAC HA114051C for the same application.

Common Problems This Part Can Address

• Damaged or leaking A/C suction hose
• Loss of refrigerant pressure from hose deterioration
• Service port wear or missing service access point
• Improper A/C line routing after hose failure
• HVAC performance issues caused by a compromised suction line

Installation Notes and Tips

Verify the vehicle build date before ordering, especially for 2017 Toyota Highlander applications noted as from 11/2016. Confirm refrigerant type, line routing, and connection points before installation. Replace the included gasket or seal during service, evacuate and recharge the system to the correct specification, and inspect the remaining A/C components for leaks before returning the vehicle to service.

Quality Assurance

Four Seasons backs this hose assembly with more than 50 years of mobile A/C experience and states that its products are engineered and tested for years of trouble-free operation. For Toyota Highlander A/C repair, Four Seasons 65979 is built to support a proper repair on the listed applications.