Four Seasons 66578 A/C Refrigerant Suction Hose

Reliable A/C Refrigerant Suction Hose for Ram 1500 Models

The Four Seasons Hose Assembly 66578 is designed specifically for Ram 1500 and 1500 Classic trucks, providing a durable and efficient solution for your vehicle's HVAC system. Engineered to handle R1234yf refrigerant, this suction hose ensures proper low-pressure refrigerant flow and system performance.

Key Features of Four Seasons Hose Assembly 66578

• Constructed from aluminum and rubber for durability and flexibility
• Equipped with P-nut fittings on both ends for secure connections
• Compatible with R1234yf refrigerant systems
• Includes gasket and fittings for a complete installation
• Features a 14 mm R1234yf quick disconnect service port on the low-pressure side
• OE replacement part designed to meet original equipment specifications
• Does not include bracket, muffler, or switch, simplifying installation
• Includes two slimline washer O-rings (part number 24404) for sealing

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing high-quality hose assemblies tailored for HVAC systems in various vehicles. This product line emphasizes compatibility with specific refrigerants and vehicle models, ensuring reliable performance and ease of installation. The 66578 suction hose assembly is part of this line, designed to meet the demands of modern A/C systems using R1234yf refrigerant in Ram trucks.

Detailed Product Description

This A/C refrigerant suction hose assembly is engineered for the low-pressure side of the HVAC system in Ram 1500 and 1500 Classic models. The combination of aluminum and rubber materials offers resistance to corrosion and flexibility to withstand engine vibrations. Both ends feature P-nut fittings, providing a secure and leak-resistant connection. The included gasket and fittings facilitate a straightforward replacement process. The hose also incorporates a 14 mm quick disconnect service port compatible with R1234yf refrigerant, allowing for efficient servicing without system contamination.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C suction hoses in Ram 1500 and 1500 Classic trucks
• Restoring proper refrigerant flow in R1234yf HVAC systems
• Eliminating low-pressure leaks that reduce cooling efficiency
• Addressing damage from corrosion or physical wear on original hoses
• Upgrading to OE replacement parts for reliable system performance

Installation Notes and Tips

• Ensure the vehicle is compatible: Ram 1500 or 1500 Classic models
• Verify refrigerant type is R1234yf before installation
• Use the included gasket and O-rings to prevent leaks
• Check fittings for proper torque to avoid damage
• Do not reuse old O-rings or gaskets during replacement

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66578 is an OE replacement part manufactured to meet original equipment standards for fit, form, and function. It includes all necessary fittings and seals to ensure a reliable installation. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality standards for automotive HVAC components.