Four Seasons 44159 A/C Evaporator Core - Rear

Reliable A/C Evaporator Core for Cadillac, Chevrolet, and GMC

The Four Seasons Evaporator Core 44159 is engineered to restore efficient cooling performance in your vehicle's HVAC system. Designed specifically for select Cadillac, Chevrolet, and GMC models, this evaporator core ensures proper fit and function for your A/C system.

• Dimensions: 7.00 inches width, 11.02 inches height, 2.875 inches depth
• Material: Durable aluminum construction for corrosion resistance
• Core type: Plate & fin design for effective heat exchange
• Inlet and outlet fittings: Block fitting type for secure connections
• Compatible with Cadillac Escalade ESV, Chevrolet Suburban 1500/2500, GMC Yukon XL 1500/2500

About the Four Seasons Evaporator Core Product Line

The Four Seasons Evaporator Core line focuses on delivering reliable HVAC components that meet OEM specifications. This product line emphasizes quality materials and precise dimensions to ensure seamless integration with factory A/C systems. The 44159 evaporator core is part of this line, providing a plate and fin aluminum core designed for efficient cooling and durability in heavy-duty SUVs and trucks.

Product Details and Specifications

This A/C evaporator core measures 7 inches in width, 11.02 inches in height, and 2.875 inches in depth, with a core depth of approximately 2-7/8 inches (73 mm). The plate and fin construction enhances heat transfer efficiency, while the aluminum material offers resistance to corrosion and wear. Both the inlet and outlet fittings use block fitting types, ensuring a secure and leak-free connection within the HVAC system. The part number 44159 corresponds to this exact configuration, making it a direct replacement for the specified vehicle models.

Common Applications and Issues Addressed

• Restores proper cooling performance in Cadillac Escalade ESV and GMC Yukon XL 1500/2500
• Replaces leaking or clogged evaporator cores in Chevrolet Suburban 1500 and 2500
• Eliminates musty odors caused by evaporator core contamination
• Resolves inconsistent cabin temperature and poor A/C airflow
• Prevents refrigerant leaks that reduce system efficiency

Installation Notes and Tips

Installation of the Four Seasons Evaporator Core 44159 requires removal of the HVAC housing, which may involve dashboard disassembly depending on the vehicle. Ensure all refrigerant is properly recovered before beginning work. Verify that the block fittings on the inlet and outlet match the vehicle’s HVAC lines to avoid leaks. After installation, perform a system evacuation and recharge to factory specifications. It is recommended to inspect and replace the cabin air filter during this service.

Quality Assurance and Warranty

Four Seasons manufactures the 44159 evaporator core to meet or exceed OEM standards, using corrosion-resistant aluminum and precise plate and fin construction. This part undergoes quality control inspections to ensure durability and fitment accuracy. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.