Four Seasons 64121 A/C Evaporator Core - Front

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

The Four Seasons Evaporator Core 64121 is designed to restore efficient cooling performance in select Buick, Cadillac, Chevrolet, and GMC vehicles. Engineered with precise dimensions and a parallel flow design, this evaporator core ensures proper fit and optimal airflow for your vehicle's HVAC system.

• Core dimensions: 9-13/16 inches height, 9-5/8 inches width, 1-7/8 inches depth
• Metric core size: 250.825 mm height, 245.000 mm width, 48 mm depth
• Parallel flow evaporator core type for consistent cooling
• Compatible with Buick Acadia, Acadia Limited, Enclave, Traverse, Traverse Limited
• Compatible with Cadillac XT5 and XT6 models
• Part number 64121 for accurate identification and replacement

About the Four Seasons Evaporator Core Product Line

The Four Seasons Evaporator Core line focuses on delivering reliable HVAC components that meet or exceed OEM specifications. This product line emphasizes precise core dimensions and efficient parallel flow design to maintain proper refrigerant flow and heat exchange. The 64121 evaporator core is part of this line, providing a direct replacement solution for specific GM vehicles to ensure consistent cabin cooling performance.

Product Details and Specifications

This A/C evaporator core features a parallel flow design, which enhances refrigerant distribution and heat transfer efficiency. The core measures 9-13/16 inches in height, 9-5/8 inches in width, and 1-7/8 inches in depth, corresponding to 250.825 mm by 245.000 mm by 48 mm respectively. These dimensions are critical for proper fitment and function within the HVAC housing of compatible vehicles. The part number 64121 identifies this specific evaporator core, ensuring compatibility with the listed Buick, Cadillac, Chevrolet, and GMC models.

Common Applications and Issues Addressed

• Restores cooling efficiency in Buick Acadia and Acadia Limited HVAC systems
• Resolves insufficient cabin cooling in Cadillac XT5 and XT6 models
• Replaces leaking or clogged evaporator cores in Chevrolet Traverse and Traverse Limited
• Eliminates musty odors caused by evaporator core contamination
• Prevents HVAC system freeze-ups related to evaporator core malfunction

Installation Notes and Tips

Installation of the Four Seasons Evaporator Core 64121 requires disassembly of the vehicle’s HVAC housing. It is recommended to consult the vehicle’s service manual for detailed removal and installation procedures. Ensure all refrigerant is properly recovered before beginning work. Verify the core dimensions and part number to confirm compatibility with your Buick, Cadillac, Chevrolet, or GMC model. After installation, perform a system leak test and recharge the A/C system according to manufacturer specifications.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet industry standards for durability and performance. The Evaporator Core 64121 undergoes quality checks to ensure dimensional accuracy and material integrity. While specific warranty details may vary, Four Seasons typically offers limited warranties covering defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.