Four Seasons 56543 A/C Refrigerant Liquid Hose

Overview of Four Seasons Hose Assembly 56543

The Four Seasons Hose Assembly 56543 is designed specifically for Toyota Echo models requiring a reliable A/C refrigerant liquid hose. Engineered with durable aluminum and rubber materials, this hose assembly supports high-pressure R134a refrigerant systems, ensuring consistent performance in your vehicle's HVAC system.

• Constructed from aluminum and rubber for durability and flexibility
• Compatible with R134a refrigerant type and high-pressure systems
• Includes green O-rings ([24611] and [23678]) for secure sealing
• Equipped with a female liquid line connection (M16x1.0 thread size)
• Features a high side service port with switch port (M11x1.0) and QDC type service port
• Comes with an orifice tube and gasket/seal included
• OEM replacement part designed without a mounting bracket

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering precise HVAC hose and pipe solutions tailored for specific vehicle applications. This line emphasizes compatibility and quality, providing assemblies that meet original equipment specifications. The 56543 hose assembly is part of this line, offering a direct replacement for Toyota Echo vehicles, ensuring proper fit and function within the A/C system.

Detailed Product Description

This A/C refrigerant liquid hose assembly is engineered to handle the high-pressure demands of R134a refrigerant systems in Toyota Echo vehicles. The combination of aluminum and rubber materials provides both strength and flexibility, reducing the risk of leaks or damage under operating conditions. The female liquid line connection with M16x1.0 threading ensures a secure fit, while the included green O-rings guarantee a tight seal. The hose assembly also features a high side service port with a switch port, facilitating system diagnostics and maintenance. Notably, this part includes an orifice tube and gasket, but does not come with a mounting bracket, aligning with original equipment design.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant liquid hoses in Toyota Echo
• Resolution of refrigerant leaks caused by cracked or deteriorated hoses
• Restoration of proper system pressure and refrigerant flow
• Improvement of A/C system efficiency and cooling performance
• Facilitation of service port access for diagnostics and repairs

Installation Notes and Tips

• Ensure compatibility with Toyota Echo models before installation
• Verify that all O-rings are properly seated to prevent leaks
• Use appropriate tools to avoid damaging the M16x1.0 female liquid line threads
• Check the high side service port and switch port connections for secure fit
• Follow vehicle manufacturer guidelines for refrigerant handling and system evacuation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 56543 is an OEM replacement part manufactured to meet or exceed original equipment standards. It includes all necessary seals and components to ensure 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. Consult product documentation or manufacturer resources for exact warranty terms.