Four Seasons 66733 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66733

The Four Seasons Hose Assembly 66733 is designed specifically for the Volvo XC90 HVAC system. This A/C refrigerant suction hose ensures reliable performance by using durable aluminum and rubber materials, providing a precise fit and efficient refrigerant flow for vehicles using R134-a refrigerant.

• Constructed from aluminum and rubber for durability and flexibility
• Equipped with P-nut fittings on both ends for secure connections
• Includes gasket and fittings for a complete installation
• Features a 13 mm R134-a quick disconnect service port on the low side suction line
• Comes with a mounting bracket for proper hose positioning
• O-rings included (two green O-rings, part number 24610) to ensure leak-free sealing
• OE replacement part compatible with Volvo XC90 models

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering complete hose solutions for automotive HVAC systems. This line includes assemblies that combine multiple components such as hoses, fittings, gaskets, and brackets to simplify installation and ensure compatibility. The 66733 hose assembly is part of this line, providing a ready-to-install suction line that meets OEM specifications for the Volvo XC90.

Detailed Product Description

This A/C refrigerant suction hose assembly is engineered to handle R134-a refrigerant, commonly used in modern automotive air conditioning systems. Both ends feature P-nut fittings, which provide a secure and leak-resistant connection to the vehicle’s HVAC components. The included gasket and fittings help maintain system integrity, while the mounting bracket ensures the hose remains properly positioned during operation. The assembly does not include a muffler or switch but does have a service port with a quick disconnect for easy maintenance and refrigerant charging.

Common Applications and Issues Addressed

• Replacement of worn or damaged suction hoses in Volvo XC90 HVAC systems
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Improving A/C system efficiency by restoring proper refrigerant flow
• Facilitating maintenance with an integrated service port for refrigerant access
• Ensuring secure hose mounting to prevent vibration-related damage

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66733, ensure all fittings and O-rings are properly seated to prevent leaks. Use the included bracket to secure the hose assembly in place, avoiding contact with moving parts or heat sources. The P-nut fittings require careful tightening to manufacturer torque specifications. The service port allows for convenient refrigerant charging and system diagnostics without hose removal.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OE replacement part, meeting or exceeding original equipment standards for fit and function. The inclusion of all necessary gaskets, fittings, and O-rings supports a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.