Four Seasons 54577 A/C Evaporator Core - Front

Reliable A/C Evaporator Core for Chevrolet G10, G20, G30

The Four Seasons Evaporator Core 54577 is designed to restore efficient cooling performance in your Chevrolet G10, G20, or G30. Engineered with precise dimensions and quality materials, this A/C evaporator core ensures proper fitment and reliable operation.

Key Features of Four Seasons Evaporator Core 54577

• Core dimensions: 13.5 inches width, 7 inches height, and 3.625 inches depth
• Constructed from durable aluminum for corrosion resistance and heat transfer
• Plate & fin design for effective refrigerant cooling
• Inlet and outlet fittings feature female o-ring connections (No. 8 inlet, No. 12 outlet)
• Includes green o-rings ([24608] and [24612]) for secure sealing, two of each type

About the Four Seasons Evaporator Core Product Line

The Evaporator Core line by Four Seasons focuses on delivering precise replacement parts engineered to match original equipment specifications. This ensures compatibility and performance for HVAC systems in vehicles like the Chevrolet G10, G20, and G30. The 54577 part number represents a direct-fit evaporator core designed to maintain optimal air conditioning efficiency.

Detailed Product Description

This A/C evaporator core measures 13.5 inches wide, 7 inches tall, and 3.625 inches deep, with core dimensions specified in both imperial and metric units for accuracy. The plate and fin construction enhances heat exchange, while the aluminum material provides durability and resistance to corrosion. The inlet and outlet fittings use female o-ring types with outside diameters of No. 8 and No. 12 respectively, ensuring a tight and leak-free connection. Included green o-rings ([24608] and [24612]) come in pairs to facilitate proper sealing during installation.

Common Issues Addressed by This Evaporator Core

• Reduced cooling efficiency or warm air from the A/C system
• Leaks or refrigerant loss due to damaged evaporator core
• Unusual odors or moisture buildup inside the vehicle cabin
• Clogged or corroded evaporator fins affecting airflow
• Inconsistent temperature regulation in Chevrolet G10, G20, or G30 models

Installation Notes and Tips

• Ensure compatibility with Chevrolet G10, G20, and G30 models before installation
• Replace all o-rings with the included green o-rings to prevent leaks
• Handle the aluminum core carefully to avoid damage to fins
• Follow vehicle-specific HVAC system disassembly procedures for access
• Test the A/C system for leaks and proper cooling after installation

Quality Assurance and Warranty

Four Seasons manufactures the 54577 evaporator core to meet or exceed OEM standards, using corrosion-resistant aluminum and precise fittings. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.