Four Seasons 66671 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66671

The Four Seasons Hose Assembly 66671 is designed specifically for Mazda 3 and Mazda 3 Sport models. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow within your vehicle's HVAC system, maintaining optimal air conditioning performance.

• Constructed from durable aluminum and rubber materials
• Features a male springlock fitting on one end and a P-nut fitting on the other
• Compatible with R134a refrigerant systems
• Includes green O-rings ([23682] x3 and [24681] x1) for secure sealing
• Equipped with a 13 mm service port for low-pressure side access
• OE replacement part ensuring proper fit and function
• Fittings and gasket included for installation

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering complete hose solutions for HVAC systems. This line includes assemblies that combine multiple components such as fittings, seals, and hoses to simplify installation and ensure compatibility. The 66671 hose assembly is part of this line, providing a ready-to-install suction line designed to meet OEM specifications for Mazda vehicles.

Detailed Product Description

This A/C refrigerant suction hose assembly is engineered to handle low-pressure refrigerant flow in Mazda 3 and Mazda 3 Sport models equipped with R134a refrigerant. The combination of aluminum and rubber materials offers durability and flexibility, while the included green O-rings ensure a tight, leak-free connection. The male springlock fitting on one end and P-nut fitting on the other provide secure attachment points within the HVAC system. The assembly also includes a 13 mm service port on the low-pressure side, facilitating maintenance and refrigerant charging without the need for additional adapters.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses
• Resolving refrigerant leaks caused by degraded seals or fittings
• Restoring proper refrigerant flow to improve air conditioning efficiency
• Addressing low-pressure side system failures in Mazda 3 and 3 Sport HVAC units
• Upgrading OEM components with a direct-fit replacement hose assembly

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66671, ensure all old refrigerant is properly evacuated from the system. Verify that the included green O-rings are correctly seated to prevent leaks. The male springlock and P-nut fittings should be securely tightened to manufacturer torque specifications. Use the 13 mm service port for system evacuation and recharging procedures. This assembly does not include a bracket or muffler, so verify existing mounting points before installation.

Quality Assurance and Warranty

Four Seasons Hose Assembly 66671 is an OE replacement part designed to meet or exceed original equipment standards. The product includes all necessary fittings and seals to ensure a proper installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.