Four Seasons 56637 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 56637

The Four Seasons Hose Assembly 56637 is designed specifically for the Mazda Protege, 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 within your vehicle's HVAC system.

• Constructed from aluminum and rubber for durability and flexibility
• Features a springlock fitting on one end and a P-nut fitting on the other
• Compatible with R134-a refrigerant systems
• Includes green O-rings ([24672] x3 and [24610] x1) for secure sealing
• Equipped with a 13 mm R134-a quick disconnect service port on the low-pressure side
• OE replacement part designed to meet original equipment specifications
• Includes necessary fittings and gasket for installation

Detailed Product Description

This A/C refrigerant suction hose from Four Seasons is part of the Hose Assembly product line, which focuses on delivering complete hose solutions for automotive HVAC systems. The 56637 hose assembly is tailored for the Mazda Protege, ensuring compatibility and proper fitment. It features a springlock fitting on one end and a P-nut fitting on the suction end, facilitating secure connections within the low-pressure side of the air conditioning system. The hose is constructed from a combination of aluminum and rubber, balancing strength and flexibility to withstand system pressures and temperature variations.

The assembly includes three green O-rings ([24672]) and one additional green O-ring ([24610]) to ensure leak-free connections. A 13 mm R134-a quick disconnect service port is integrated for convenient servicing without the need for additional adapters. This hose assembly does not include a bracket, muffler, or switch, focusing solely on the suction line function within the HVAC system.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses on Mazda Protege models
• Resolving refrigerant leaks caused by cracked or deteriorated hose materials
• Restoring proper low-pressure refrigerant flow for efficient air conditioning performance
• Eliminating issues related to faulty or missing O-rings and seals
• Facilitating maintenance with an integrated service port for quick refrigerant access

Installation Notes and Tips

• Ensure the vehicle is compatible: specifically designed for Mazda Protege models
• Verify that all included fittings and O-rings are properly seated to prevent leaks
• Use appropriate tools for springlock and P-nut fittings to avoid damage during installation
• Check the service port for accessibility and proper sealing after installation
• Follow manufacturer guidelines for refrigerant handling and system evacuation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 56637 is an OE replacement part, manufactured to meet or exceed original equipment standards for fit, form, and function. It includes all necessary gaskets and fittings to ensure a secure and reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. For exact warranty terms, consult the product packaging or manufacturer documentation.