Four Seasons 66839 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66839

The Four Seasons Hose Assembly 66839 is designed specifically for Mazda 3 and Mazda 3 Sport models. This A/C refrigerant suction hose ensures reliable performance in your vehicle's HVAC system by maintaining proper refrigerant flow and pressure.

• Constructed from durable aluminum and rubber materials
• Equipped with P-nut fittings on both ends for secure connections
• Compatible with R134-a refrigerant type
• Includes gasket and fittings for a complete installation
• Features a 13 mm low side service port without a switch port
• O-rings included for proper sealing (two black O-rings, part number 24150)
• OE replacement part designed to meet original equipment specifications

Detailed Product Description

This Four Seasons Hose Assembly from the Hose Assembly product line is engineered to provide a direct replacement for the A/C refrigerant suction hose in Mazda 3 and Mazda 3 Sport vehicles. The combination of aluminum and rubber materials offers durability and flexibility, essential for withstanding the pressures and temperatures within the HVAC system. Both ends of the hose feature P-nut fittings, ensuring a secure and leak-free connection to the vehicle’s A/C components. The included gasket and fittings simplify installation and help maintain system integrity.

The hose is designed for use with R134-a refrigerant, the standard for many modern vehicles, including the Mazda 3 series. It includes a 13 mm low side service port, allowing for easy access during maintenance without the need for a switch port. This part is an OE replacement, meaning it meets the original equipment standards for fit, form, and function.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses in Mazda 3 and Mazda 3 Sport
• Resolving refrigerant leaks caused by cracked or deteriorated hose material
• Fixing low refrigerant pressure issues affecting A/C performance
• Eliminating poor connections due to faulty or missing fittings
• Restoring proper refrigerant flow for efficient HVAC operation

Installation Notes and Tips

• Ensure vehicle compatibility with Mazda 3 or Mazda 3 Sport before installation
• Use the included gasket and fittings to prevent leaks and ensure a tight seal
• Check that both P-nut fittings are properly tightened to manufacturer torque specifications
• Inspect O-rings (part number 24150) for damage and replace if necessary during installation
• Verify the service port is accessible for future maintenance

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66839 is manufactured to meet or exceed original equipment standards, providing reliable performance and durability. This part is an OE replacement designed to fit Mazda 3 and Mazda 3 Sport models precisely. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.