Four Seasons 54588 A/C Evaporator Core - Front

Overview of Four Seasons Evaporator Core 54588

The Four Seasons Evaporator Core 54588 is designed to restore efficient air conditioning performance in select Chevrolet and GMC vans. Engineered with precision, this A/C evaporator core ensures reliable cooling for your vehicle's HVAC system.

• Compatible with Chevrolet Express 1500, 2500, 3500 and GMC Savana 1500, 2500, 3500, G30 models
• Constructed from durable aluminum with plate & fin design for effective heat exchange
• Core dimensions approximately 11.125" width, 10.5" height, and 2.875" depth
• Features male insert o-ring inlet and outlet fittings with No. 12 outside diameter
• Includes green o-rings ([24608], [24612]) and orifice tube ([38623]) for proper sealing and fitment

Four Seasons Evaporator Core Product Line Details

The Evaporator Core line by Four Seasons focuses on delivering precise HVAC components that meet OEM specifications. This product line emphasizes quality materials like aluminum and plate & fin construction to ensure efficient cooling and durability. The 54588 evaporator core is part of this line, providing a direct replacement solution for specific Chevrolet and GMC van models.

Product Specifications and Features

This A/C evaporator core measures approximately 11.125 inches in width, 10.5 inches in height, and 2.875 inches in depth, with a core depth of 2-7/8 inches (73.025 mm). The plate & fin design enhances heat transfer efficiency, while the aluminum construction offers corrosion resistance and longevity. Both inlet and outlet fittings use male insert o-rings, ensuring a secure and leak-free connection. The outlet fitting has a No. 12 outside diameter, compatible with the vehicle's HVAC system. Included are green o-rings ([24608] and [24612]) and an orifice tube ([38623]) to maintain proper sealing and system integrity.

Common Applications and Problem Resolution

• Restores cooling performance in Chevrolet Express and GMC Savana vans
• Replaces leaking or clogged evaporator cores causing reduced A/C output
• Addresses unpleasant odors or moisture buildup inside the HVAC system
• Eliminates inconsistent cabin temperature and airflow issues
• Prevents refrigerant leaks that can damage the A/C system

Installation Notes and Tips

Installation of the Four Seasons Evaporator Core 54588 requires removal of the vehicle’s HVAC housing. Ensure all old refrigerant is properly evacuated before beginning work. Use the included green o-rings and orifice tube to maintain system integrity and prevent leaks. Verify that the male insert o-ring fittings are properly seated and sealed. It is recommended to replace the receiver/drier or accumulator and recharge the system with the correct refrigerant after installation.

Quality Assurance and Warranty

Four Seasons manufactures the Evaporator Core 54588 to meet or exceed OEM standards, using high-quality aluminum and precise manufacturing processes. This part is backed by Four Seasons’ quality assurance protocols. Please refer to Four Seasons’ official warranty documentation for specific coverage details.