Four Seasons 54411 A/C Evaporator Core

Overview of Four Seasons Evaporator Core 54411

The Four Seasons Evaporator Core 54411 is designed to restore efficient cooling performance in select Buick, Cadillac, Oldsmobile, and Pontiac vehicles. This A/C evaporator core is engineered to meet OEM specifications, ensuring reliable operation within your vehicle's HVAC system.

• Core dimensions: 8 inches width, 10 inches height, 2.875 inches depth
• Plate and fin construction made from durable aluminum
• Inlet fitting: male insert o-ring; outlet fitting: female o-ring with No. 12 outside diameter
• Includes green o-rings for both inlet and outlet connections
• Compatible with multiple GM models including Buick LeSabre, Cadillac DeVille, and Pontiac Bonneville

Four Seasons Evaporator Core Product Line Details

The Four Seasons Evaporator Core product line focuses on delivering precise fit and function for vehicle HVAC systems. This line features plate and fin evaporator cores constructed from aluminum to provide effective heat exchange and corrosion resistance. The 54411 part number is part of this line, designed specifically for select GM vehicles to maintain proper air conditioning performance and system integrity.

Product Specifications and Features

The Four Seasons 54411 evaporator core measures 8 inches wide, 10 inches high, and 2.875 inches deep, with core dimensions precisely matching OEM requirements. The plate and fin design enhances heat transfer efficiency, while the aluminum material offers durability and resistance to corrosion. The inlet and outlet fittings use green o-rings ([24682] and [23680]) to ensure a secure, leak-free connection. The inlet fitting is a male insert o-ring type, and the outlet fitting is a female o-ring with a No. 12 outside diameter, facilitating straightforward installation and compatibility with factory HVAC lines.

Compatible Vehicles and Applications

• Buick LeSabre and Park Avenue models
• Cadillac DeVille, Fleetwood, and Commercial Chassis
• Oldsmobile Delta 88
• Pontiac Bonneville

This evaporator core is intended for use in HVAC systems requiring replacement of the evaporator component to restore proper cooling and airflow.

Common Issues Addressed by Evaporator Core Replacement

• Reduced air conditioning cooling efficiency
• Leaks or damage in the evaporator core causing refrigerant loss
• Unpleasant odors from mold or debris buildup inside the core
• HVAC system moisture accumulation leading to fogging or condensation
• Inconsistent cabin temperature control

Installation Notes and Tips

When installing the Four Seasons Evaporator Core 54411, ensure all O-rings are properly seated to prevent refrigerant leaks. Verify that the inlet and outlet fittings match the vehicle’s HVAC lines for a secure connection. It is recommended to inspect the entire A/C system for contamination or damage before installation. Proper evacuation and recharge of the refrigerant system are necessary after replacement to maintain optimal performance.

Quality Assurance and Warranty

Four Seasons manufactures the 54411 evaporator core to meet or exceed OEM standards, using high-quality aluminum and precise construction methods. The product includes green O-rings for reliable sealing. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.