Four Seasons 54476 A/C Evaporator Core

Overview of Four Seasons Evaporator Core 54476

The Four Seasons Evaporator Core 54476 is designed to restore efficient cooling performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This A/C evaporator core is engineered to meet the specific dimensions and fitting requirements of models like the Achieva, Corsica, Grand Am, and Skylark.

• Core dimensions: 13.5 inches width, 7 inches height, 2.875 inches depth
• Material: Durable aluminum construction
• Inlet fitting: Female o-ring, No. 8 outside diameter
• Outlet fitting: Male insert o-ring, No. 12 outside diameter
• Includes green o-rings [24608] and [24612] for secure sealing
• Plate & fin core type for effective heat exchange

Four Seasons Evaporator Core Product Line Details

The Evaporator Core line from Four Seasons focuses on delivering reliable HVAC components that match OEM specifications. This product line emphasizes precise fitment and durable materials, such as aluminum cores with plate and fin design, to ensure consistent air conditioning performance. The 54476 part number is part of this line, providing a direct replacement for evaporator cores in compatible GM vehicles.

Product Specifications and Features

The Four Seasons 54476 evaporator core measures 13.5 inches in width, 7 inches in height, and 2.875 inches in depth, making it suitable for specific GM models. Its aluminum construction offers corrosion resistance and efficient heat transfer. The inlet and outlet fittings are designed with o-ring seals—female No. 8 for the inlet and male No. 12 for the outlet—to ensure leak-free connections. The included green o-rings ([24608] and [24612]) provide additional sealing reliability. The plate and fin core type enhances the evaporator's ability to absorb heat from the cabin air, improving overall A/C system efficiency.

Compatible Vehicles and Common Applications

• Buick Achieva
• Chevrolet Corsica
• Oldsmobile Skylark
• Pontiac Grand Am

This evaporator core is designed specifically for these models, ensuring proper fit and function within their HVAC systems.

Common Issues Addressed by Replacing the Evaporator Core

• Reduced air conditioning cooling performance
• Leaks or refrigerant loss in the evaporator core
• Unpleasant odors caused by mold or debris buildup
• Excess moisture or fogging inside the vehicle cabin
• HVAC system inefficiency or inconsistent airflow

Installation Notes and Tips

When installing the Four Seasons Evaporator Core 54476, ensure the correct orientation of the inlet and outlet fittings to match the vehicle’s HVAC system. Use the included green o-rings to create a secure seal and prevent refrigerant leaks. It is recommended to inspect and replace any worn or damaged seals during installation. Proper handling of the aluminum core is important to avoid damage to the fins or tubes. Professional installation is advised to maintain system integrity and performance.

Quality Assurance and Warranty

Four Seasons manufactures the 54476 evaporator core to meet or exceed OEM standards, using high-quality aluminum and precise manufacturing processes. The product includes factory-installed o-rings for reliable sealing. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on their HVAC components to cover defects in materials and workmanship.