Four Seasons 65661 A/C Refrigerant Liquid Hose

OE A/C Liquid Hose for Corolla

Four Seasons 65661 is an OE replacement A/C refrigerant liquid hose assembly for the high-pressure side of the system. It is built with aluminum and rubber construction, uses R134-A refrigerant, and includes the service port, fittings, seals, and green O-rings needed for the listed application.

Fits 2003-2004 Toyota Corolla, N/A. This Four Seasons hose assembly is a direct-fit liquid line style replacement for Corolla models with the noted configuration, including the switch port and orifice tube setup specified in the fitment data.

Key Features

• Part number 65661
• OE replacement liquid line hose assembly
• High-pressure A/C refrigerant line
• Aluminum / rubber construction
• For R134-A systems
• Includes gasket or seal, fittings, and 2 green O-rings
• Includes high-side service port, 16 mm size
• 1 switch port, M11x1.0
• Springlock suction end type
• P-nut fitting liquid line style
• With orifice tube
• Without bracket

Product Details

Four Seasons Hose Assembly 65661 is a liquid line hose assembly for the HVAC system, built for high-pressure refrigerant flow on R134-A applications. The aluminum and rubber design balances routing flexibility with line durability, while the included service port, switch port, seals, and fittings support a complete OE-style replacement for the specified Toyota Corolla fitment. If you are replacing a leaking or damaged A/C liquid hose on a 2003-2004 Toyota Corolla, this part number 65661 provides the correct configuration for the listed system layout.

This part cross-references UAC HA111365C for the same application.

Common Problems This Part Can Address

• Refrigerant loss from a cracked or leaking liquid hose
• Damaged or worn hose connections at the high-pressure side
• Faulty service port sealing at the A/C line
• Corrosion or deterioration in the original hose assembly
• Improper fitment after prior A/C line repair

Installation Notes

Verify the vehicle uses the listed R134-A high-pressure liquid line configuration before installation. Replace the O-rings and seals during service, and confirm the springlock and P-nut connections are fully seated. Because this assembly includes a switch port and service port, transfer or reconnect system components carefully and evacuate the A/C system before recharging.

Quality Assurance

Four Seasons 65661 is an OE replacement hose assembly built to match the listed application requirements for 2003-2004 Toyota Corolla models. The included fittings, seals, and port provisions support a direct-service replacement for the specified HVAC line configuration.