Four Seasons 66601 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66601

The Four Seasons Hose Assembly 66601 is designed specifically for Toyota Corolla, Prius, and Prius AWD-e models. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow within your vehicle's HVAC system, maintaining optimal air conditioning performance.

• Constructed from durable aluminum and rubber materials
• Features a P-nut fitting on one end and a male o-ring on the other
• Compatible with R134a refrigerant systems
• Includes gasket and fittings for secure installation
• OE replacement part designed for suction line applications

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing high-quality hose assemblies tailored for HVAC systems. This line emphasizes compatibility with original equipment specifications, ensuring that parts like the 66601 suction hose meet the demands of low-pressure refrigerant flow in automotive air conditioning systems. The assemblies are engineered without brackets, mufflers, or service ports, streamlining installation and maintenance for specific vehicle applications.

Detailed Product Description

The Four Seasons 66601 A/C refrigerant suction hose is constructed from a combination of aluminum and rubber, providing flexibility and durability under varying temperature and pressure conditions. It features a P-nut fitting on one end and a male o-ring fitting on the other, designed to connect securely within the HVAC system. This hose is intended for use with R134a refrigerant and functions as a low-pressure suction line, critical for efficient refrigerant return to the compressor. The package includes necessary gaskets and fittings, including two black o-rings (part number 24150), to ensure a leak-free seal. This hose assembly does not include a bracket, muffler, or service port, aligning with original equipment specifications for Toyota Corolla, Prius, and Prius AWD-e models.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses
• Resolving low refrigerant pressure issues in Toyota Corolla and Prius HVAC systems
• Eliminating refrigerant leaks caused by degraded hose materials or fittings
• Restoring proper refrigerant flow to improve air conditioning efficiency
• Maintaining system integrity without the need for additional brackets or mufflers

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66601, ensure the vehicle is compatible with R134a refrigerant systems. Use the included gaskets and fittings to achieve a secure, leak-free connection. The hose’s P-nut and male o-ring fittings require proper torque specifications to avoid damage or leaks. Since this assembly does not include a bracket or muffler, verify existing mounting points and supports on the vehicle before installation. Professional HVAC system evacuation and recharge are recommended after installation to maintain system performance.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OE replacement part, meeting original equipment standards for fit and function. The materials and construction are selected to withstand typical automotive HVAC operating conditions. While specific warranty details are not provided here, Four Seasons products generally come with a limited warranty against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.