Four Seasons 55974 A/C Suction and Liquid Line Hose Assembly

Reliable HVAC Hose Assembly for Vehicle A/C Systems

The Four Seasons Hose Assembly part number 55974 is designed to provide durable and efficient performance in automotive air conditioning systems. Engineered with aluminum and rubber materials, this A/C suction and liquid line hose assembly supports both high and low pressure refrigerant flow, ensuring reliable operation in various vehicle makes and models.

• Constructed from durable aluminum and rubber for long-lasting use
• Features flange and male insert o-ring end types for secure connections
• Compatible with R134a refrigerant systems operating under high and low pressure
• Includes gasket and fittings for proper sealing and installation
• Designed as an original equipment replacement for precise fit

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing quality hose assemblies specifically engineered for automotive HVAC systems. This product line includes components like the 55974 hose assembly, which combines suction and liquid line functions to maintain efficient refrigerant flow. The assemblies are designed without additional brackets, mufflers, or manifolds, simplifying installation and ensuring compatibility with factory systems.

Product Details and Specifications

The Four Seasons 55974 hose assembly is constructed with a combination of aluminum and rubber materials to withstand the demands of automotive air conditioning systems. It features a flange type on one end and a male insert o-ring on the other, facilitating secure and leak-resistant connections. This hose assembly is compatible with R134a refrigerant and supports both high and low system pressures. Included with the assembly are two green o-rings (part number 24606) and necessary fittings, ensuring a proper seal and fit. The design excludes a service port, bracket, muffler, manifold, or orifice tube, aligning with original equipment specifications for straightforward replacement.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C suction and liquid line hoses
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper refrigerant flow in R134a automotive A/C systems
• Addressing pressure inconsistencies in high and low side A/C lines
• Ensuring OEM-level fit and function in vehicle HVAC repairs

Installation Notes and Tips

When installing the Four Seasons 55974 hose assembly, ensure that the mating surfaces are clean and free of debris to achieve a proper seal with the included gasket and o-rings. Verify compatibility with your vehicle’s make and model, especially for systems using R134a refrigerant. Since this assembly does not include a bracket or manifold, confirm that existing mounting points are intact and secure. Proper torque specifications should be followed to avoid damage to the flange and o-ring connections.

Quality Assurance and Warranty

Four Seasons products are engineered to meet or exceed original equipment standards. The 55974 hose assembly is an OE replacement part, designed for reliable performance and durability. While specific warranty details may vary, Four Seasons typically offers coverage against defects in materials and workmanship, providing confidence in the product’s quality for automotive HVAC repairs.