Four Seasons 55177 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 55177

The Four Seasons Hose Assembly 55177 is designed specifically for the Toyota RAV4 HVAC system. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow, maintaining optimal air conditioning performance in your vehicle.

• Constructed from durable aluminum and rubber materials
• Features a flange end and a captured o-ring end for secure connections
• Compatible with R134-a refrigerant type
• Includes gasket, fittings, and three green o-rings for proper sealing
• Equipped with a 13 mm R134-a quick disconnect service port on the low-pressure side
• OE replacement part designed to meet original equipment specifications

Detailed Product Description

The Four Seasons Hose Assembly 55177 belongs to the Hose Assembly product line, which focuses on delivering reliable and precise HVAC hose solutions. This particular suction line is engineered with a combination of aluminum and rubber to withstand the demands of the air conditioning system in the Toyota RAV4. The hose assembly features a flange on one end and a captured o-ring on the other, ensuring a tight, leak-free fit. It is designed for use with R134-a refrigerant and operates under low system pressure, making it suitable for the suction side of the A/C system.

This hose assembly includes all necessary fittings and a gasket to facilitate installation without additional parts. The service port is a 13 mm quick disconnect type, allowing for efficient servicing and refrigerant charging. The part number 55177 is an exact OE replacement, ensuring compatibility and performance consistent with factory standards.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses in Toyota RAV4 models
• Resolving refrigerant leaks caused by cracked or deteriorated hose materials
• Restoring proper refrigerant flow to improve air conditioning efficiency
• Fixing low-pressure side issues in the HVAC system
• Eliminating service port leaks or failures

Installation Notes and Tips

• Ensure the vehicle is depressurized and refrigerant is properly recovered before removal
• Verify the flange and captured o-ring ends align correctly with mating components
• Use the included gasket and fittings to secure the hose assembly
• Check the green o-rings for proper placement to prevent leaks
• Confirm the service port is accessible for future maintenance

Quality Assurance and Warranty

Four Seasons Hose Assembly 55177 is manufactured to meet or exceed original equipment standards for the Toyota RAV4 HVAC system. The part is designed for durability and reliable performance under low-pressure refrigerant conditions. This OE replacement part includes all necessary seals and fittings to ensure a proper fit and function. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.