Four Seasons 55475 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 55475

The Four Seasons Hose Assembly 55475 is designed for reliable HVAC performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This A/C refrigerant discharge and suction hose assembly is engineered to meet original equipment specifications, ensuring proper fit and function for models like the Cutlass, Cutlass Supreme, Grand Prix, Lumina, and Regal.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant systems
• Includes green o-rings for secure sealing (part numbers 24608, 24612, 24615)
• Features female o-ring fittings on both discharge and suction ends
• Equipped with a muffler and manifold for noise reduction and system efficiency
• Does not include fittings, brackets, or service ports

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing high-quality hose and pipe assemblies for automotive HVAC systems. This line emphasizes OE replacement parts that maintain system integrity and performance. The 55475 hose assembly is part of this line, offering a direct fit solution without the need for additional fittings or brackets, simplifying installation and ensuring compatibility with specified vehicle models.

Product Features and Specifications

This hose assembly is constructed with a combination of aluminum and rubber, providing durability and flexibility necessary for HVAC refrigerant lines. It is designed specifically for R134a refrigerant, the standard for many modern automotive air conditioning systems. The assembly includes multiple green o-rings (part numbers 24608, 24612, and 24615) to ensure leak-free connections at both the discharge and suction ends, which feature female o-ring fittings. Additionally, the inclusion of a muffler and manifold helps reduce noise and vibration within the A/C system. Note that this assembly does not come with fittings, brackets, or service ports, so those components must be sourced separately if needed.

Applications and Common Issues Addressed

• Replacement of worn or leaking A/C refrigerant discharge and suction hoses
• Restoring proper refrigerant flow in Buick Cutlass and Cutlass Supreme models
• Repairing HVAC system leaks in Chevrolet Lumina and Pontiac Grand Prix vehicles
• Eliminating noise caused by damaged or missing mufflers in the refrigerant line
• Maintaining system integrity in Oldsmobile Regal air conditioning units

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 55475, ensure all old refrigerant is properly evacuated from the system before removal. Verify that the included green o-rings are correctly seated to prevent leaks. Since fittings and brackets are not included, confirm that existing hardware is in good condition or obtain replacements as necessary. The female o-ring fittings on both ends require careful alignment to avoid damage during installation. Professional installation is recommended to maintain system performance and safety.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OE replacement part, designed to meet or exceed original equipment standards. The inclusion of factory-quality green o-rings and durable materials supports long-term reliability. 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 the manufacturer for exact warranty terms.