Four Seasons 56542 A/C Refrigerant Liquid Hose

Overview of Four Seasons Hose Assembly 56542

The Four Seasons Hose Assembly 56542 is designed specifically for Toyota 4Runner models requiring a reliable A/C refrigerant liquid hose. Engineered with durable aluminum and brass materials, this hose assembly supports high-pressure R134a refrigerant systems, ensuring consistent performance in your vehicle's HVAC system.

• Constructed from aluminum and brass for durability and corrosion resistance
• Compatible with R134a refrigerant type and high-pressure systems
• Includes green O-rings ([24611] and [23678]) for secure sealing
• Equipped with a P-nut fitting suction end and orifice tube
• Designed without a switch service port or bracket for direct replacement
• O.E. replacement part ensuring proper fit and function

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly product line focuses on providing precise HVAC hose and pipe replacements that meet original equipment specifications. This line includes various hose assemblies tailored for different refrigerant types and system pressures. The 56542 liquid line hose assembly is part of this line, offering a direct fit solution without a switch port or bracket, designed to maintain the integrity of your Toyota 4Runner's air conditioning system.

Detailed Product Description

This A/C refrigerant liquid hose assembly (part number 56542) is built to handle the high-pressure demands of R134a refrigerant systems in Toyota 4Runner vehicles. The combination of aluminum and brass materials provides strength and resistance to corrosion, which is critical for long-term HVAC system reliability. The assembly includes two green O-rings ([24611]) and one green round O-ring ([23678]) to ensure leak-free connections. Featuring a P-nut fitting on the suction end and an integrated orifice tube, this hose assembly is designed for seamless integration without the need for additional brackets or switch service ports.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant liquid hoses in Toyota 4Runner models
• Resolving refrigerant leaks caused by degraded seals or hose material
• Restoring proper refrigerant flow and pressure in high-pressure R134a systems
• Eliminating A/C system inefficiencies due to faulty orifice tubes or fittings
• Maintaining system integrity without the need for additional service ports or brackets

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 56542, ensure all O-rings are properly seated to prevent refrigerant leaks. The P-nut fitting requires careful tightening to manufacturer torque specifications to avoid damage. Since this assembly does not include a switch service port or bracket, verify compatibility with your Toyota 4Runner's existing mounting points. It is recommended to evacuate and recharge the A/C system following installation to maintain optimal performance.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an O.E. replacement part, meeting original equipment standards for fit and function. The inclusion of factory-quality O-rings and durable materials supports long-term reliability. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship.