Four Seasons 65748 A/C Refrigerant Suction Hose

Four Seasons 65748 A/C Suction Hose

The Four Seasons 65748 A/C refrigerant suction hose is a direct-fit hose assembly for select Lexus applications. Built with aluminum and rubber construction and configured for R134A systems, it includes the seal and service port needed for a proper HVAC line replacement.

Four Seasons Hose Assembly products draw on more than 50 years of mobile A/C experience, with engineering and testing focused on dependable operation in everyday service. This part number, 65748, is a practical choice when replacing a leaking or damaged suction line on Lexus IS, RC, and related models.

Key Features

• Part type: A/C refrigerant suction hose
• Brand line: Four Seasons Hose Assembly
• Material: aluminum / rubber
• Refrigerant type: R134A
• Gasket or seal included
• Service port included
• Without muffler
• Switch service port: no

Product Details

This Four Seasons 65748 hose assembly is built for HVAC suction-side service on select Lexus vehicles, including 2014-2017 Lexus IS350, 2016-2017 Lexus IS300, 2016-2017 Lexus RC300, 2015-2017 Lexus RC350, 2014-2015 Lexus IS250, and 2018 Lexus IS350 built to 10/2017. It is engineered for R134A refrigerant systems and uses aluminum and rubber construction for the line routing and sealing requirements found in these applications.

This part cross-references 212155 and A83924 for the same application. The Four Seasons 65748 part number is also referenced as 65748 in catalog listings for Lexus A/C suction hose replacement searches.

Common Problems This Part Can Address

• Refrigerant loss from a cracked or leaking suction hose
• Damaged hose fittings or deteriorated sealing surfaces
• HVAC performance issues caused by a compromised suction line
• Service port wear or replacement needs on the suction hose assembly
• Noise or vibration concerns from an aging hose assembly without a muffler

Installation Notes and Tips

Verify the vehicle build date and match the exact Lexus model before ordering, especially for 2018 IS350 applications noted as built to 10/2017. Replace the included seal during installation, evacuate and recharge the system with the correct R134A refrigerant, and inspect adjacent A/C components for contamination or wear before returning the vehicle to service.

Quality Assurance

Four Seasons states that its products are engineered and tested for years of trouble-free operation, backed by more than 50 years of mobile A/C experience. This hose assembly is built to support reliable HVAC service on Lexus IS350, IS300, RC300, RC350, and IS250 applications.