Four Seasons 55178 A/C Refrigerant Discharge Hose

Reliable A/C Refrigerant Discharge Hose for Toyota 4Runner

The Four Seasons Hose Assembly 55178 is designed specifically for Toyota 4Runner models requiring a durable A/C refrigerant discharge hose. Engineered to meet OEM specifications, this hose assembly ensures proper refrigerant flow and system integrity for vehicles using R134a refrigerant.

Key Features of Four Seasons Hose Assembly 55178

• Compatible with Toyota 4Runner A/C systems using R134a refrigerant
• Includes gasket and fittings for secure installation
• Discharge line component type with P-nut fitting suction end
• O-ring included (two green o-rings, part number 24661) for leak prevention
• OEM replacement part ensuring proper fit and function
• Does not include switch, bracket, muffler, or service port

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing complete hose assemblies tailored for HVAC systems in vehicles. This product line emphasizes compatibility and quality by including necessary fittings and seals, such as gaskets and O-rings, to facilitate straightforward installation and reliable performance. The 55178 hose assembly is part of this line, designed to replace original equipment discharge hoses without the need for additional components.

Detailed Product Description

This A/C refrigerant discharge hose assembly (part number 55178) is engineered for Toyota 4Runner models that utilize R134a refrigerant. It features a discharge line component type with a P-nut fitting on the suction end, ensuring a secure connection within the vehicle's HVAC system. The assembly includes two green O-rings (part number 24661) and necessary fittings to maintain a sealed system and prevent refrigerant leaks. This hose assembly does not include a switch, bracket, muffler, or service port, aligning with the original equipment design for straightforward replacement.

Common Issues Addressed by This Hose Assembly

• Leaking refrigerant due to worn or damaged discharge hoses
• Reduced A/C system efficiency caused by compromised hose integrity
• Difficulty maintaining proper refrigerant pressure in the discharge line
• Replacement of OEM discharge hose assemblies in Toyota 4Runner HVAC systems
• Preventing contamination and moisture ingress in the A/C system

Installation Notes and Tips

• Ensure the vehicle is compatible: Toyota 4Runner models using R134a refrigerant
• Inspect and replace O-rings included with the assembly to prevent leaks
• Verify fittings and connections are secure and free of damage before installation
• Do not attempt to install if the hose assembly includes missing components compared to OEM specifications
• Professional installation is recommended to maintain system integrity and safety

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55178 is an OEM replacement part designed to meet or exceed original equipment standards. It includes all necessary gaskets and fittings to ensure a proper seal and reliable operation. While specific warranty details are not provided, Four Seasons products typically come with manufacturer-backed quality assurance to support durability and performance in automotive HVAC applications.