Four Seasons 66588 A/C Refrigerant Discharge Hose

Four Seasons 66588 A/C Discharge Hose

Four Seasons 66588 is an OE replacement A/C refrigerant discharge hose assembly for select 2004-2005 Scion xA and Scion xB applications. Built with aluminum and rubber construction, this discharge line is specified for R134a systems and includes the required seals and fittings for service-ready replacement.

The Four Seasons Hose Assembly line focuses on direct-fit HVAC components that match original equipment routing and connection style. This 66588 discharge line is a practical choice when replacing a leaking or damaged A/C refrigerant discharge hose on a Scion xA or Scion xB.

Key Features

• Part number 66588 A/C refrigerant discharge hose assembly
• Aluminum / rubber construction for HVAC routing and flexibility
• Designed for R134a refrigerant systems
• Low-pressure discharge line configuration
• Gasket or seal included
• Fittings included
• OE replacement design
• Green O-ring seal specification: [23680]
• Suction end uses a P-nut fitting
• Without switch port, service port, bracket, muffler, or switch

Detailed Description

Four Seasons 66588 is an A/C refrigerant discharge hose assembly engineered for direct replacement of the original discharge line in select Scion HVAC systems. It is listed for 2004 Scion xA, 2004 Scion xB, 2005 Scion xA, and 2005 Scion xB, with fitment noted for 2005 models built to 1/05. This part number 66588 is built with aluminum and rubber materials and uses the correct R134a refrigerant configuration for the application.

This discharge hose assembly includes the specified seals and fittings, uses a P-nut fitting at the suction end, and is supplied without a switch port, service port, bracket, muffler, or switch. This part cross-references UAC HA11026C for the same application.

What It Is Used For

• Replacing a leaking A/C refrigerant discharge hose on a Scion xA
• Replacing a damaged discharge line on a Scion xB
• Restoring refrigerant flow between A/C components after hose failure
• Correcting loss of system pressure caused by cracked or worn hose material
• Addressing seal-related A/C leaks at the hose connection points

Installation Notes and Tips

Verify the vehicle build date before ordering, especially for 2005 Scion xA and xB applications noted as to 1/05. Confirm the hose routing, fitting style, and absence of a switch port or service port match the original part before installation. Replace the included O-rings and seals during service, and evacuate and recharge the R134a system according to factory procedures after installation.

Quality Assurance

Four Seasons supplies OE replacement HVAC components for direct-fit service applications. Part number 66588 is built to match the original discharge line configuration for the listed Scion models and is specified with the correct material, refrigerant type, and connection details for the application.