Four Seasons 56643 A/C Suction and Liquid Line Hose Assembly

Overview of Four Seasons Hose Assembly 56643

The Four Seasons Hose Assembly 56643 is designed specifically for Dodge and Jeep vehicles, including the Caliber, Compass, and Patriot models. This A/C suction and liquid line hose assembly ensures reliable performance in your vehicle's HVAC system by handling both high and low pressure refrigerant flow.

• Constructed from durable aluminum and rubber materials
• Equipped with P-nut fittings and captured o-ring ends for secure connections
• Compatible with R134-a refrigerant systems
• Includes gasket, fittings, bracket, manifold, and orifice tube
• Features a QDC service port on the low-pressure side
• OE replacement part designed for direct fit and function

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing complete hose assemblies for HVAC systems, combining suction and liquid line hoses with necessary fittings and components. This line is engineered to meet original equipment specifications, ensuring proper sealing and pressure handling. The 56643 part integrates multiple features such as included gaskets, brackets, and orifice tubes to streamline installation and maintain system integrity.

Detailed Product Description

This hose assembly is constructed with a combination of aluminum and rubber to withstand the demands of high and low pressure within the A/C system. The P-nut fittings on both suction and liquid line ends provide a secure and leak-resistant connection, complemented by captured o-rings and sealing washers (including tear drop sealing washers) to maintain refrigerant containment. The assembly includes a manifold and bracket for proper mounting and stability. It is designed for use with R134-a refrigerant and features a QDC service port on the low-pressure side for convenient servicing without a switch port. The inclusion of an orifice tube further supports system efficiency and performance.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C suction and liquid line hoses
• Resolving refrigerant leaks caused by damaged fittings or seals
• Restoring proper refrigerant flow and pressure balance in HVAC systems
• Addressing issues related to faulty or missing orifice tubes
• Improving system reliability in Dodge Caliber, Jeep Compass, and Patriot models

Installation Notes and Tips

Ensure the vehicle is compatible with the Four Seasons Hose Assembly 56643 by verifying make and model fitment. Before installation, inspect all included gaskets, o-rings, and fittings for damage. Properly torque P-nut fittings to manufacturer specifications to prevent leaks. The included bracket and manifold should be securely mounted to maintain hose positioning and reduce vibration. Use the QDC service port for efficient refrigerant charging and system diagnostics.

Quality Assurance and Warranty

This Four Seasons hose assembly is an OE replacement part, designed to meet or exceed original equipment standards for durability and performance. It includes all necessary seals and fittings to ensure a reliable installation. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.