Four Seasons 66678 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66678

The Four Seasons Hose Assembly 66678 is designed specifically for Mazda vehicles, providing a reliable A/C refrigerant suction hose solution. Engineered with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow for R134a systems.

• Constructed from aluminum and rubber for durability and flexibility
• Features a male springlock fitting on one end and a P-nut fitting on the other
• Includes gasket, fittings, and four green O-rings (part number 23682)
• Compatible with R134a refrigerant systems operating at low pressure
• Equipped with a 13 mm service port on the low-pressure side
• OE replacement part designed for Mazda models
• Does not include a bracket, muffler, or switch

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering complete hose assemblies for HVAC systems, combining high-quality materials and precise fittings. This line is engineered to meet original equipment specifications, ensuring proper fit and function in automotive air conditioning systems. The 66678 hose assembly exemplifies this approach by integrating essential components such as gaskets and fittings to facilitate straightforward installation and reliable performance.

Detailed Product Description

This A/C refrigerant suction hose assembly is designed to handle low-pressure refrigerant flow in Mazda vehicles using R134a refrigerant. The hose features a male springlock fitting on one end and a P-nut fitting on the suction end, providing secure connections within the HVAC system. Included with the hose are four green O-rings (part number 23682) and necessary fittings to ensure a sealed and leak-free installation. The assembly also includes a 13 mm service port on the low-pressure side, allowing for convenient system servicing without the need for additional components. This hose assembly does not include a bracket, muffler, or switch, focusing solely on the essential suction line function.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses in Mazda vehicles
• Resolving refrigerant leaks caused by deteriorated hose materials or fittings
• Restoring proper low-pressure refrigerant flow for efficient air conditioning performance
• Addressing service port accessibility issues during A/C system maintenance
• Ensuring compatibility with R134a refrigerant systems in specific Mazda models

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66678, ensure all fittings and O-rings are properly seated to prevent leaks. Use the included gasket and fittings to secure connections according to manufacturer torque specifications. Verify that the service port is accessible for future maintenance. Since this assembly does not include a bracket or muffler, confirm that the hose is properly supported and routed to avoid contact with moving parts or heat sources. Always evacuate and recharge the A/C system following installation to maintain system integrity.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OE replacement part, meeting original equipment standards for fit and function. The inclusion of all necessary fittings and seals supports a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.