Nissens 77634 HVAC Heater Core

Overview of Nissens HVAC Heater Core 77634

The Nissens HVAC Heater Core 77634 is designed for reliable heating performance in select Hyundai and Kia vehicles. Engineered with durable aluminum materials, this heater core ensures efficient heat transfer and long-lasting operation for your Hyundai Sonata, Kia Optima, and related models.

• Core and tank constructed from corrosion-resistant aluminum
• Brazed cooling fins for enhanced heat dissipation
• Compact dimensions: 8.07 inches height, 6.57 inches length, 1.02 inches width
• Includes pipe for straightforward installation
• Compatible with Hyundai Sonata, Kia Optima, Hyundai XG300, and XG350 models

Technical Details and Construction

This HVAC heater core features a robust aluminum core and tank, providing resistance to corrosion and improved thermal conductivity. The brazed cooling fins construction optimizes heat exchange efficiency, ensuring consistent cabin heating. With precise core dimensions of 8.07 inches in height, 6.57 inches in length, and 1.02 inches in width, the Nissens 77634 heater core fits securely within the HVAC system of compatible vehicles. The included pipe facilitates connection to the vehicle’s heating system, simplifying the replacement process.

Compatible Vehicles and Applications

The Nissens heater core 77634 is specifically designed for use in the following vehicles:

• Hyundai Sonata (various model years)
• Kia Optima (various model years)
• Hyundai XG300
• Hyundai XG350

This part is ideal for restoring proper heating function in these models, ensuring effective climate control during colder conditions.

Common Issues Addressed by This Heater Core

• Insufficient cabin heat output
• Coolant leaks within the HVAC system
• Overheating due to clogged or damaged heater core
• Unpleasant odors caused by coolant contamination
• Fogging or moisture buildup inside the vehicle

Installation Notes and Tips

When installing the Nissens HVAC heater core 77634, ensure the cooling system is properly drained before removal of the old core. Verify all connections and seals are secure to prevent leaks. The included pipe should be inspected for damage and replaced if necessary. It is recommended to flush the cooling system to remove debris and contaminants prior to installation. Professional installation is advised to maintain system integrity and performance.

Quality Assurance and Warranty

Nissens manufactures this heater core to meet OEM specifications, using high-quality aluminum materials and precise brazing techniques. The part number 77634 undergoes rigorous quality control to ensure durability and reliable operation. While specific warranty terms may vary, Nissens typically offers coverage against manufacturing defects. Consult product documentation or supplier information for detailed warranty conditions.