Four Seasons 55405 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 55405

The Four Seasons Hose Assembly 55405 is designed specifically for the HVAC system of Lexus and Toyota vehicles, including the 4Runner and GX470 models. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow with durable aluminum and rubber construction.

• Material: Aluminum and rubber for durability and flexibility
• End 1 Type: P-nut fitting for secure connection
• End 2 Type: Captured green o-ring (part number 24682) included
• Refrigerant Type: Compatible with R134-a refrigerant
• Includes gasket, fittings, and bracket for installation
• System Pressure: Designed for low-pressure suction line applications
• Service Port: One 13 mm R134-a quick disconnect low side port included
• OE Replacement: Yes, meets original equipment specifications

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing complete hose assemblies for automotive HVAC systems. These assemblies combine high-quality materials and precise fittings to ensure proper refrigerant flow and system integrity. The 55405 hose assembly is part of this line, offering a direct replacement solution for Lexus 4Runner and Toyota GX470 models, maintaining system performance without the need for additional modifications.

Detailed Product Description

This A/C refrigerant suction hose assembly features a combination of aluminum and rubber materials, providing both strength and flexibility to withstand the demands of the HVAC system. The P-nut fitting on one end and the captured green o-ring on the other ensure a tight, leak-free seal. The included gasket, fittings, and mounting bracket simplify installation and help maintain system integrity. Designed for use with R134-a refrigerant, this hose assembly supports low-pressure suction line operation and includes a service port with a 13 mm quick disconnect for convenient maintenance.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses in Lexus 4Runner and Toyota GX470
• Resolving refrigerant leaks caused by degraded seals or fittings
• Restoring proper low-pressure refrigerant flow in the HVAC system
• Eliminating issues related to cracked or brittle hose materials
• Facilitating maintenance with an integrated service port for refrigerant access

Installation Notes and Tips

Ensure the vehicle is depressurized and the A/C system is properly evacuated before removing the old hose assembly. Verify that the P-nut fitting and captured o-ring are correctly seated to prevent leaks. Use the included gasket and bracket to secure the hose assembly firmly in place. Check for any signs of wear or damage on adjacent components during installation. After installation, perform a leak test and recharge the system with R134-a refrigerant according to manufacturer specifications.

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55405 is an OE replacement part designed to meet or exceed original equipment standards for Lexus and Toyota vehicles. It includes all necessary fittings and seals to ensure a proper fit and function. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.