Four Seasons 56818 A/C Refrigerant Suction Hose

Reliable A/C Refrigerant Suction Hose for Acura RDX

The Four Seasons Hose Assembly part number 56818 is designed specifically for the Acura RDX to ensure efficient and reliable air conditioning system performance. This A/C refrigerant suction hose is engineered to meet original equipment specifications, providing a durable and precise fit for your vehicle's HVAC system.

Key Features of Four Seasons Hose Assembly 56818

• Constructed from a combination of aluminum and rubber for durability and flexibility
• Equipped with a P-nut fitting on one end and a captured o-ring on the other for secure connections
• Compatible with R134-a refrigerant, suitable for low-pressure suction line applications
• Includes gasket and fittings to ensure a proper seal and installation
• Features a springlock suction end type and a 13 mm service port on the low-pressure side
• Comes with a mounting bracket for stable positioning within the HVAC system
• O-rings included (two green o-rings, part number 24681) to maintain leak-free operation
• Designed without a muffler or switch port, focusing on essential suction line functionality

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line offers a range of hose assemblies tailored for HVAC systems, emphasizing compatibility and durability. The 56818 suction hose is part of this line, engineered to replace original equipment parts with precision. This product line focuses on delivering components that meet or exceed OEM standards, ensuring reliable performance in automotive air conditioning systems.

Detailed Product Description

This A/C refrigerant suction hose assembly is built to handle the low-pressure side of the air conditioning system in the Acura RDX. The aluminum and rubber construction provides resistance to corrosion and flexibility to accommodate engine vibrations and movements. The P-nut fitting and captured o-ring ends ensure a tight, leak-resistant connection, while the included gasket and fittings support a secure installation. The springlock suction end type simplifies connection to the compressor or evaporator, and the integrated bracket helps maintain proper hose routing and stability. Designed specifically for R134-a refrigerant systems, this hose assembly supports efficient refrigerant flow and system pressure management.

Common Issues Addressed by This Suction Hose

• Leaks or cracks in the original suction hose causing refrigerant loss
• Reduced A/C cooling performance due to damaged or worn hose components
• Corrosion or wear from exposure to engine heat and environmental factors
• Improper fit or connection issues with aftermarket or non-OEM hoses
• Vibration-related hose damage leading to system inefficiency

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 56818, ensure all old seals and o-rings are removed and replaced with the included green o-rings to prevent leaks. Verify that the P-nut fitting and captured o-ring ends are properly seated and tightened to manufacturer torque specifications. Use the provided bracket to secure the hose assembly and avoid contact with moving engine parts. This hose is designed without a muffler or switch port, so no additional components are required for installation.

Quality Assurance and Warranty

Four Seasons Hose Assembly 56818 is an OEM replacement part, manufactured to meet original equipment standards for fit, form, and function. The product includes all necessary gaskets and fittings to ensure a reliable seal. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. For exact warranty terms, refer to the manufacturer’s documentation.