Four Seasons 55421 A/C Refrigerant Suction Hose

Reliable A/C Refrigerant Suction Hose for Toyota 4Runner

The Four Seasons Hose Assembly 55421 is designed specifically for Toyota 4Runner models, providing a durable and efficient solution for your vehicle's HVAC system. This A/C refrigerant suction hose ensures proper refrigerant flow and system performance with quality materials and precise fittings.

Key Features of Four Seasons Hose Assembly 55421

• Constructed from aluminum and rubber for durability and flexibility
• Equipped with a P-nut fitting on one end and a captured female o-ring on the suction end
• Compatible with R134-a refrigerant systems
• Includes gasket and fittings for a complete installation
• Designed for low-pressure suction line applications without a muffler or bracket
• Features a 13 mm R134-a quick disconnect service port on the low-pressure side
• OE replacement part ensuring proper fit and function

Detailed Description of the Hose Assembly Product Line

The Four Seasons Hose Assembly product line focuses on delivering reliable hose assemblies tailored for HVAC systems in various vehicles. The Hose Assembly 55421 is part of this line, engineered to meet OEM specifications for suction lines in air conditioning systems. This ensures compatibility and performance for Toyota 4Runner models requiring a low-pressure refrigerant suction hose with included fittings and seals.

Product Application and Common Issues Addressed

• Replacement of worn or leaking A/C refrigerant suction hoses
• Restoring proper refrigerant flow in Toyota 4Runner HVAC systems
• Eliminating low-pressure leaks that reduce cooling efficiency
• Resolving issues related to damaged or missing service ports
• Ensuring secure connections with included fittings and green o-rings

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 55421, ensure the P-nut fitting and captured o-ring ends are properly seated to prevent leaks. The included gasket and fittings simplify installation, but verify the service port is accessible for maintenance. This hose assembly does not include a bracket or muffler, so confirm existing mounting points are secure before installation.

Quality Assurance and Warranty Information

Four Seasons Hose Assembly 55421 is an OE replacement part designed to meet or exceed original equipment standards. The product includes all necessary seals and fittings to ensure a reliable, leak-free installation. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.