Four Seasons 66597 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66597

The Four Seasons Hose Assembly 66597 is designed specifically for Toyota Sienna vehicles, providing a reliable A/C refrigerant suction hose solution. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow for R134a systems.

• Material: Aluminum and rubber construction for durability and flexibility
• End Types: Both ends feature P-nut fittings for secure connections
• Refrigerant Compatibility: Designed for R134a refrigerant systems
• Includes gasket, fittings, and bracket for complete installation
• O-rings included: Two green O-rings (part number 24681) for proper sealing
• OEM Replacement: Yes, meets original equipment specifications
• System Pressure: Low pressure suction line without muffler or service port

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing complete hose assemblies tailored for HVAC systems in vehicles. This line includes components engineered to meet OEM standards, ensuring compatibility and performance. The 66597 hose assembly is part of this line, offering a ready-to-install suction line solution with all necessary fittings and seals included.

Detailed Product Description

This A/C refrigerant suction hose assembly is designed to maintain the integrity of the low-pressure side of the air conditioning system in Toyota Sienna models. Featuring aluminum and rubber materials, it balances strength and flexibility to withstand typical operating conditions. Both ends utilize P-nut fittings, which facilitate secure and leak-resistant connections. The included green O-rings and gasket ensure a tight seal, preventing refrigerant loss. The assembly comes with a mounting bracket for proper positioning and stability within the HVAC system. It does not include a muffler or service port, aligning with the original equipment design.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses in Toyota Sienna vehicles
• Resolving refrigerant leaks caused by cracked or deteriorated hose materials
• Restoring proper low-pressure refrigerant flow for efficient air conditioning performance
• Eliminating connection leaks by using included fittings and O-rings
• Addressing HVAC system failures related to suction line damage or wear

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66597, ensure the vehicle is compatible with R134a refrigerant systems, specifically Toyota Sienna models. Use the included bracket to secure the hose assembly properly and prevent vibration or movement. Replace the O-rings with the provided green O-rings (part number 24681) to maintain a proper seal. Avoid overtightening the P-nut fittings to prevent damage. It is recommended to have the A/C system evacuated and recharged by a qualified technician after installation.

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66597 is an OEM replacement part designed to meet original equipment specifications for Toyota Sienna vehicles. It includes all necessary components such as fittings, gaskets, and O-rings to ensure a complete and reliable installation. While specific warranty details are not provided, Four Seasons products typically adhere to industry standards for quality and durability.