Four Seasons 54425 A/C Evaporator Core - Front

Overview of Four Seasons Evaporator Core 54425

The Four Seasons Evaporator Core 54425 is designed for reliable HVAC performance in select Chevrolet and GMC vehicles. This A/C evaporator core is engineered to meet the specific dimensions and fitting requirements of models such as the Chevrolet Blazer and GMC K5 Blazer, ensuring proper fit and function.

• Core dimensions: 10.5 inches width, 8 inches height, 3.625 inches depth
• Material: Durable aluminum construction
• Plate & fin type design for efficient heat exchange
• Inlet and outlet fittings: Male insert o-ring, No. 12 outside diameter
• Includes two green O-rings (part number 24612) for secure sealing

Detailed Product Description

The Four Seasons Evaporator Core 54425 features a plate and fin design constructed from aluminum, providing effective heat transfer and corrosion resistance. With core dimensions of 10.5 inches wide, 8 inches high, and a depth of 3.625 inches (92.075 mm), this evaporator core is tailored to fit specific Chevrolet and GMC models including the Blazer, C10, C20, C30, Jimmy, and K-series trucks and Suburbans. Both the inlet and outlet fittings are male insert o-ring types with a No. 12 outside diameter, ensuring compatibility with factory HVAC lines. The included green O-rings (part number 24612) help maintain a tight seal to prevent refrigerant leaks.

About the Four Seasons Evaporator Core Product Line

The Evaporator Core line from Four Seasons focuses on delivering precise fit and reliable performance for vehicle HVAC systems. This product line emphasizes quality materials such as aluminum and incorporates plate and fin construction to optimize cooling efficiency. The 54425 part number is part of this line, designed specifically for Chevrolet and GMC trucks and SUVs, providing a direct replacement that meets OEM specifications.

Common Applications and Issues Addressed

• Restores proper cooling function in Chevrolet Blazer and GMC K5 Blazer A/C systems
• Replaces leaking or clogged evaporator cores causing reduced airflow or cooling
• Solves refrigerant leaks due to worn or damaged evaporator core seals
• Addresses corrosion-related failures in older aluminum evaporator cores
• Improves overall HVAC system efficiency and cabin comfort

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Inspect and replace O-rings (included) to prevent refrigerant leaks
• Handle the aluminum core carefully to avoid damage to fins and tubes
• Flush the HVAC system to remove debris before installing the new evaporator core
• Follow manufacturer torque specifications for fittings and connections

Quality Assurance and Warranty

Four Seasons manufactures the Evaporator Core 54425 to meet industry standards for durability and performance. The aluminum construction and plate & fin design contribute to long service life. This part includes two green O-rings for proper sealing. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.