Four Seasons 54859 A/C Evaporator Core

Overview of Four Seasons Evaporator Core 54859

The Four Seasons Evaporator Core 54859 is designed specifically for Toyota 4Runner models, providing reliable HVAC performance. This aluminum evaporator core ensures efficient cooling and proper air conditioning function within your vehicle's system.

• Compatible with Toyota 4Runner models
• Part number 54859 for precise identification
• Constructed from durable aluminum material
• Plate & fin type core for effective heat exchange
• Block fitting inlet and outlet for secure connections
• Core dimensions: approximately 10" width, 10" height, and 3.5" depth
• Includes two green O-rings (part number 24682) for sealing

Detailed Product Description

The Four Seasons Evaporator Core 54859 is engineered with a plate and fin design, which enhances heat transfer efficiency within the air conditioning system of the Toyota 4Runner. Measuring roughly 10 inches in width and height, with a core depth of 3.5 inches (88.9 mm), this evaporator core fits precisely into the HVAC housing. Both the inlet and outlet feature block fittings, ensuring a secure and leak-resistant connection to the vehicle’s refrigerant lines. The core is made from aluminum, a material known for its lightweight and corrosion-resistant properties, contributing to the longevity and performance of the evaporator.

About the Four Seasons Evaporator Core Product Line

The Evaporator Core line from Four Seasons focuses on delivering reliable replacement parts that meet or exceed OEM specifications. This product line emphasizes durability and fitment accuracy, which is critical for maintaining the efficiency of the vehicle’s air conditioning system. The 54859 part is a representative example, designed to integrate seamlessly with Toyota 4Runner HVAC systems.

Common Issues Addressed by This Evaporator Core

• Reduced cooling performance due to clogged or damaged evaporator core
• Refrigerant leaks caused by worn or corroded core components
• Unpleasant odors from mold or debris buildup inside the evaporator
• HVAC system inefficiency resulting in inconsistent cabin temperature
• Excess moisture or fogging inside the vehicle due to evaporator malfunction

Installation Notes and Tips

When installing the Four Seasons Evaporator Core 54859, ensure the HVAC system is fully evacuated and depressurized before removal of the old core. Use the included green O-rings (part number 24682) to maintain a proper seal on both inlet and outlet block fittings. Verify the core dimensions match the OEM specifications for your Toyota 4Runner to avoid fitment issues. It is recommended to inspect and replace the cabin air filter during installation to optimize system performance.

Quality Assurance and Warranty

Four Seasons provides this evaporator core with a focus on quality and durability, manufactured to meet industry standards. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Always consult the product packaging or manufacturer documentation for exact warranty terms related to part number 54859.