Four Seasons 65374 A/C Refrigerant Liquid Hose

Reliable A/C Refrigerant Liquid Hose for Mazda 3 and CX-30

The Four Seasons Hose Assembly part number 65374 is designed specifically for Mazda 3 and CX-30 models. This liquid line hose assembly ensures proper refrigerant flow within your vehicle's HVAC system, supporting both R134a and R1234yf refrigerants.

• Constructed from durable aluminum and rubber materials
• Features a P-nut fitting on one end for secure connections
• Includes gasket and fittings for a complete assembly
• Equipped with an orifice tube and switch port for system functionality
• Compatible with R134a and R1234yf refrigerant types
• Designed without a bracket and service port

About the Four Seasons Hose Assembly Product Line

The Hose Assembly line from Four Seasons focuses on delivering precise HVAC hose and pipe solutions tailored to specific vehicle applications. This product line emphasizes quality materials and exact fitment, ensuring reliable performance in air conditioning systems. The 65374 liquid line hose assembly is part of this line, engineered to meet the demands of Mazda 3 and CX-30 HVAC systems without the need for additional brackets.

Detailed Product Description

This A/C refrigerant liquid hose assembly combines aluminum and rubber to provide a balance of strength and flexibility. The P-nut fitting on one end allows for a secure and leak-resistant connection. The inclusion of an orifice tube and switch port supports proper refrigerant metering and system monitoring. Designed for use with both R134a and R1234yf refrigerants, this hose assembly is compatible with modern Mazda 3 and CX-30 air conditioning systems. The assembly comes with necessary gaskets and fittings, ensuring a complete replacement part ready for installation.

Common Applications and Issues Addressed

• Replacement of worn or damaged liquid line hoses in Mazda 3 and CX-30 A/C systems
• Resolving refrigerant leaks caused by cracked or deteriorated hose materials
• Restoring proper refrigerant flow and pressure for efficient cooling
• Addressing issues related to faulty orifice tubes affecting system performance
• Upgrading to a compatible hose assembly for vehicles using R134a or R1234yf refrigerants

Installation Notes and Tips

Ensure the vehicle’s A/C system is fully depressurized before removing the old hose assembly. Verify that the P-nut fitting and other connections are clean and free of debris to prevent leaks. Use the included gasket and fittings to secure the hose assembly properly. Since this assembly does not include a bracket, confirm existing mounting points are intact and secure. Professional installation is recommended to maintain system integrity and performance.

Quality Assurance and Warranty

Four Seasons manufactures this hose assembly to meet OEM standards for fit and function. The use of aluminum and rubber materials ensures durability under typical operating conditions. While specific warranty details are not provided here, Four Seasons products generally come with a limited warranty against defects in materials and workmanship. Refer to the manufacturer’s warranty documentation for complete terms.