Four Seasons 54521 A/C Evaporator Core

Overview of Four Seasons Evaporator Core 54521

The Four Seasons Evaporator Core 54521 is designed for reliable HVAC performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This A/C evaporator core ensures efficient cooling by effectively managing refrigerant flow and heat exchange.

• Compatible with Buick Century, Chevrolet Celebrity, Oldsmobile Cutlass Ciera, and Pontiac 6000 models
• Constructed from durable aluminum material for corrosion resistance
• Plate & fin design enhances heat transfer efficiency
• Includes male insert o-ring inlet and outlet fittings for secure connections
• Core dimensions: approximately 13.44 inches width, 6.5 inches height, and 3.5 inches depth
• Equipped with green o-rings and orifice tube for proper sealing and refrigerant metering

Four Seasons Evaporator Core Product Line Details

The Evaporator Core line by Four Seasons focuses on delivering precise fit and function for vehicle HVAC systems. This product line features components engineered to meet OEM specifications, ensuring compatibility and performance in air conditioning systems. The 54521 evaporator core is part of this line, offering a plate and fin construction that supports effective refrigerant cooling and airflow management.

Technical Specifications and Features

This evaporator core measures approximately 13-7/16 inches in width, 6-1/2 inches in height, and 3-1/2 inches in depth (341.3 mm x 165.1 mm x 88.9 mm). It uses male insert o-ring fittings (No. 12 outside diameter) on both inlet and outlet connections, providing a secure and leak-resistant seal. The aluminum construction contributes to durability and efficient heat dissipation. Included are green o-rings ([24608] and [24612]) and an orifice tube ([38623]) to maintain system integrity and refrigerant flow control.

Common Applications and Problem Resolution

• Restores proper cooling performance in Buick Century and Chevrolet Celebrity A/C systems
• Replaces leaking or clogged evaporator cores in Oldsmobile Cutlass Ciera HVAC units
• Addresses insufficient cabin cooling in Pontiac 6000 models
• Eliminates refrigerant leaks caused by damaged evaporator cores
• Improves airflow and temperature regulation within vehicle HVAC systems

Installation Notes and Tips

Installation of the Four Seasons Evaporator Core 54521 requires careful handling to avoid damage to the aluminum fins and fittings. Ensure all old refrigerant is properly evacuated before removal. Verify that the male insert o-ring fittings are correctly seated and sealed with the included green o-rings. It is recommended to replace the orifice tube and all associated seals during installation to maintain system integrity. Follow vehicle-specific service manuals for disassembly and reassembly procedures.

Quality Assurance and Warranty

Four Seasons manufactures the 54521 evaporator core to meet industry standards for durability and performance. The aluminum plate and fin design is tested for corrosion resistance and thermal efficiency. This part is backed by Four Seasons' quality assurance protocols. Please refer to Four Seasons' official warranty documentation for specific coverage details.