Four Seasons 54594 A/C Evaporator Core - Front

Overview of Four Seasons Evaporator Core 54594

The Four Seasons Evaporator Core 54594 is designed for reliable HVAC performance in select Chevrolet, Oldsmobile, and Pontiac vehicles. This A/C evaporator core is engineered to meet the specific cooling needs of models like the Lumina APV, Lumina Van, Silhouette, and Trans Sport.

• Core dimensions: Width 13.625 inches, Height 8.875 inches, Depth 3.563 inches
• Constructed from durable aluminum with plate & fin design
• Inlet and outlet fittings: Male insert o-ring type with No. 8 and No. 12 outside diameters
• Includes green o-rings ([24608] and [24612]) for secure sealing
• Compatible with Chevrolet Lumina APV, Lumina Van, Pontiac Silhouette, and Oldsmobile Trans Sport

Four Seasons Evaporator Core Product Line Details

The Evaporator Core line by Four Seasons focuses on delivering precise fit and efficient heat exchange for vehicle HVAC systems. This product line utilizes aluminum plate and fin construction to optimize airflow and cooling capacity. The 54594 evaporator core is part of this line, ensuring compatibility and performance tailored to specific vehicle models.

Technical Description and Specifications

The Four Seasons 54594 evaporator core features a core width of 13.625 inches and a height of 8.875 inches, with a depth of 3.563 inches (approximately 90.5 mm). Its plate and fin design enhances heat transfer efficiency while maintaining structural integrity. The inlet and outlet fittings are male insert o-ring types, sized No. 8 and No. 12 respectively, providing secure connections within the HVAC system. The core includes two sets of green o-rings ([24608] and [24612]) to ensure leak-free installation. Constructed from aluminum, this evaporator core offers corrosion resistance and durability under typical operating conditions.

Common Applications and Problem Resolution

• Replacement for faulty or leaking evaporator cores in Chevrolet Lumina APV and Lumina Van
• Restores proper cooling performance in Pontiac Silhouette HVAC systems
• Addresses issues related to reduced airflow or inefficient air conditioning in Oldsmobile Trans Sport
• Eliminates refrigerant leaks caused by damaged or corroded evaporator cores
• Helps resolve unpleasant odors or moisture buildup inside the vehicle cabin

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Use the included green o-rings to maintain proper sealing on inlet and outlet fittings
• Handle the aluminum core carefully to avoid damage to fins or tubes
• Follow manufacturer HVAC system service procedures for removal and replacement
• Check for refrigerant leaks and system pressure after installation

Quality Assurance and Warranty

Four Seasons manufactures the 54594 evaporator core to meet industry standards for durability and performance. The aluminum construction and plate & fin design contribute to long service life. This part is backed by Four Seasons' quality assurance protocols. Please refer to Four Seasons' official warranty terms for coverage details.