Four Seasons 66670 A/C Refrigerant Discharge Hose

Reliable A/C Refrigerant Discharge Hose for Mazda 3 Models

The Four Seasons Hose Assembly part number 66670 is designed specifically for Mazda 3 and Mazda 3 Sport vehicles. This high-pressure A/C refrigerant discharge hose ensures proper function of your vehicle's HVAC system by maintaining efficient refrigerant flow.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant systems
• Includes gasket, fittings, and two green O-rings (part number 24661)
• Equipped with a 16mm high side service port without a switch port
• OEM replacement part designed for high-pressure discharge line applications

Four Seasons Hose Assembly Product Line Overview

The Hose Assembly line from Four Seasons focuses on delivering reliable hose and pipe components for automotive HVAC systems. This product line includes assemblies engineered to meet or exceed original equipment specifications, ensuring proper fit and function. The 66670 discharge hose is part of this line, providing a direct replacement for the high-pressure refrigerant discharge line in Mazda 3 and 3 Sport models.

Product Details and Specifications

This A/C refrigerant discharge hose is constructed with a combination of aluminum and rubber to withstand high system pressures typical in automotive air conditioning systems. It is designed for use with R134a refrigerant and includes all necessary fittings and seals for installation. The hose features a p-nut fitting on the suction end and a single 16mm service port on the high-pressure side, facilitating maintenance without a switch port or muffler. Two green O-rings (part number 24661) are included to ensure a secure, leak-free connection.

Common Applications and Problem Resolution

• Replacement of worn or leaking A/C refrigerant discharge hoses in Mazda 3 and 3 Sport vehicles
• Restoring proper refrigerant flow to improve HVAC system cooling efficiency
• Addressing high-pressure leaks that cause system pressure loss
• Eliminating issues related to damaged or missing seals and fittings
• Facilitating service port access for refrigerant system maintenance

Installation Notes and Tips

Ensure the vehicle is depressurized and the refrigerant properly recovered before beginning installation. Verify compatibility with Mazda 3 or 3 Sport models and confirm part number 66670 matches the original component. Use the included gasket, fittings, and O-rings to secure connections and prevent leaks. Avoid overtightening fittings to maintain seal integrity. After installation, perform a system pressure test to confirm proper operation.

Quality Assurance and Warranty

Four Seasons Hose Assembly parts are manufactured to meet OEM standards for fit, form, and function. This discharge hose is an exact replacement designed to maintain the integrity of your vehicle’s HVAC system. The product includes all necessary seals and fittings to ensure a reliable installation. Warranty coverage details should be confirmed with the product documentation or supplier.