Four Seasons 54791 A/C Evaporator Core

Overview of Four Seasons Evaporator Core 54791

The Four Seasons Evaporator Core 54791 is designed to restore efficient air conditioning performance in select Ford, Mazda, and Mercury vehicles. This A/C evaporator core is engineered to meet the specific dimensions and fitting requirements of models like the Ford Ranger, Explorer, and Mazda B-series trucks.

• Core dimensions approximately 10.56 inches wide by 8.14 inches high and 3.5 inches deep
• Constructed from durable aluminum with plate and fin design for effective heat exchange
• Inlet fitting: Female springlock with No. 8 outside diameter
• Outlet fitting: Female o-ring with No. 10 outside diameter
• Includes green o-rings: three of type 24668 and one of type 24610 for secure sealing

Detailed Product Description

The Four Seasons Evaporator Core 54791 belongs to the Evaporator Core product line, which focuses on delivering reliable HVAC components tailored for vehicle-specific applications. This evaporator core features a plate and fin construction made from aluminum, providing efficient cooling and corrosion resistance. The core measures approximately 10.56 inches in width, 8.14 inches in height, and 3.5 inches in depth (88.9 mm), ensuring a precise fit within the HVAC housing of compatible vehicles.

Fitting details include a female springlock inlet fitting with a No. 8 outside diameter and a female o-ring outlet fitting with a No. 10 outside diameter. The inclusion of green o-rings (three of part number 24668 and one of 24610) ensures a tight, leak-free connection. This evaporator core is engineered for use in Ford Ranger, Explorer, F-100 Ranger, Mountaineer, Mazda B2300, B3000, B4000, and Mercury models, providing a direct replacement for worn or damaged cores.

Common Applications and Issues Addressed

• Restores proper cooling performance in Ford Ranger and Mazda B-series trucks
• Eliminates reduced airflow caused by clogged or leaking evaporator cores
• Prevents refrigerant leaks that can lead to A/C system failure
• Resolves unpleasant odors caused by mold or debris buildup inside the evaporator
• Improves overall HVAC system efficiency and cabin comfort

Installation Notes and Tips

• Ensure compatibility with your specific vehicle make and model before installation
• Inspect and replace all associated O-rings and seals to prevent leaks
• Handle the aluminum core carefully to avoid damage to fins and fittings
• Flush the HVAC system to remove debris before installing the new evaporator core
• Follow manufacturer torque specifications for inlet and outlet fittings

Quality Assurance and Warranty

Four Seasons manufactures the Evaporator Core 54791 to meet OEM standards for fit, form, and function. The aluminum construction and plate & fin design contribute to durability and efficient heat exchange. This part includes the necessary green O-rings for proper sealing. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.