Four Seasons 65648 A/C Refrigerant Liquid Hose

Overview of Four Seasons Hose Assembly 65648

The Four Seasons Hose Assembly 65648 is designed specifically for the Toyota Sienna's HVAC system. This A/C refrigerant liquid hose is engineered to handle high-pressure R134-a refrigerant, ensuring reliable performance in your vehicle's air conditioning system.

• Constructed from durable aluminum and rubber materials
• Compatible with R134-a refrigerant type
• Includes gasket and fittings for secure connections
• Equipped with two green O-rings (part number 24606)
• Designed without a switch service port or bracket
• Features a P-nut fitting on the suction end
• Includes an orifice tube for proper refrigerant flow
• OE replacement part for Toyota Sienna

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering reliable hose and pipe solutions for automotive HVAC systems. This line includes liquid line hose assemblies like part number 65648, which are designed to meet or exceed original equipment specifications. The assemblies are built to withstand high system pressures and provide a secure, leak-free connection, making them suitable for maintaining the efficiency of your Toyota Sienna's air conditioning system.

Detailed Product Description

The Four Seasons 65648 hose assembly combines aluminum and rubber materials to provide durability and flexibility under high-pressure conditions typical of automotive A/C systems. It is specifically designed for use with R134-a refrigerant, the standard for many modern vehicles including the Toyota Sienna. This liquid line hose assembly includes two green O-rings (part number 24606) to ensure a tight seal and prevent refrigerant leaks. The assembly comes with fittings but does not include a bracket or switch service port, and it features a P-nut fitting on the suction end for secure attachment. Additionally, it includes an orifice tube to regulate refrigerant flow, which is critical for proper system operation.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant liquid hoses in Toyota Sienna models
• Resolving refrigerant leaks caused by cracked or deteriorated hose materials
• Restoring proper refrigerant flow and pressure in the A/C system
• Addressing high-pressure system failures due to compromised hose assemblies
• Maintaining system integrity with OE replacement parts

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 65648, ensure the vehicle is depressurized and the refrigerant is properly recovered before removal. Verify that the green O-rings are correctly seated to prevent leaks. Since this assembly does not include a bracket or switch service port, confirm compatibility with your existing mounting hardware and system configuration. Proper torque specifications should be followed on all fittings to maintain system pressure integrity.

Quality Assurance and Warranty

Four Seasons manufactures the 65648 hose assembly to meet original equipment standards, providing a reliable replacement for Toyota Sienna HVAC systems. The part includes factory-installed gaskets and fittings to ensure a secure, leak-free connection. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.