Four Seasons 65531 A/C Refrigerant Suction Hose

Four Seasons A/C Suction Hose Assembly

Four Seasons 65531 is an A/C refrigerant suction hose assembly built for HVAC service on select Toyota Highlander applications. It uses aluminum and rubber construction, includes the service port and gasket or seal, and is configured without a muffler or bracket.

Key Features

• Part number 65531 suction hose assembly for HVAC refrigerant routing
• Aluminum / rubber construction for A/C line durability
• Includes gasket or seal
• Service port included; switch service port not included
• For R134A and R1234YF refrigerant systems
• Without muffler and without bracket

Product Details

This Four Seasons hose assembly is engineered and tested for dependable mobile A/C operation. As part of the Four Seasons Hose Assembly line, it is built for direct replacement service where the suction line needs to maintain refrigerant flow and sealing integrity. Four Seasons 65531 is listed for 2014-2016 Toyota Highlander suction line applications and 2017 Toyota Highlander applications built to 11/2016, making it a focused replacement for the Toyota Highlander HVAC system.

This part cross-references UAC HA112823C for the same application.

What It Helps Fix

• Refrigerant loss from a damaged suction hose
• Leaks at the hose connection points or seal surfaces
• Restricted A/C performance caused by a failing suction line
• Service issues on Toyota Highlander HVAC refrigerant routing
• Improper fitment from a worn or incorrect replacement hose

Installation Notes and Tips

Verify the vehicle build date before ordering, since 2017 Toyota Highlander coverage applies to units built to 11/2016. Confirm the refrigerant type, line routing, and port style against the original hose assembly before installation. Replace the sealing surfaces as needed and evacuate and recharge the system according to factory service procedures after installation.

Quality Assurance

Four Seasons backs this hose assembly with more than 50 years of mobile A/C experience and product testing focused on long-term, trouble-free operation.