Universal Air HT398359C HVAC Heater Core - Rear

Reliable HVAC Heater Core for Select GM Vehicles

The Universal Air Heater Core HT398359C is designed to restore efficient heating performance in your vehicle's HVAC system. Engineered for compatibility with popular GM models, this heater core ensures consistent cabin warmth and comfort during colder months.

• Compatible with Cadillac, Chevrolet, and GMC models including Blazer, Escalade, Tahoe, Yukon, and various Suburban and K-Series trucks
• Part number HT398359C for precise identification and fitment
• Direct replacement HVAC heater core for reliable heating system operation
• Constructed to meet OEM specifications for durability and performance
• Part of the Universal Air Heater Core product line, designed for efficient heat exchange

About the Universal Air Heater Core Product Line

The Heater Core line from Universal Air focuses on delivering dependable HVAC components that maintain proper temperature regulation within vehicle cabins. This product line emphasizes compatibility and quality, providing replacement heater cores that meet the thermal and structural requirements of various GM trucks and SUVs. The HT398359C is a part of this line, ensuring it integrates seamlessly with the existing HVAC system for optimal heating performance.

Detailed Product Description

The HT398359C heater core is engineered to replace the original heating element in the HVAC system of select GM vehicles. It facilitates the transfer of heat from the engine coolant to the cabin air, enabling effective temperature control inside the vehicle. This heater core is compatible with Cadillac Escalade, Chevrolet Blazer, Tahoe, Yukon, and multiple Suburban and K-Series truck models, including C1500, C2500, K1500, and K2500 Suburban variants. Its design adheres to OEM standards, ensuring proper fit and function without modification.

Common Issues Resolved by This Heater Core

• Insufficient cabin heat during cold weather
• Coolant leaks inside the vehicle or around the HVAC system
• Fogged or fogging windows due to poor defrosting
• Unusual odors from the HVAC vents caused by a failing heater core
• Overheating engine symptoms related to heater core malfunction

Installation Notes and Tips

Installation of the HT398359C heater core requires draining the vehicle’s cooling system and disassembling parts of the dashboard or HVAC housing. It is recommended to consult the vehicle’s service manual for detailed instructions specific to the model. Ensure all coolant lines are properly connected and sealed to prevent leaks. After installation, refill and bleed the cooling system to remove air pockets for optimal heater core performance.

Quality Assurance and Warranty

Universal Air provides this heater core with manufacturing quality controls to meet industry standards. While specific warranty details are not provided here, Universal Air products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the supplier or manufacturer documentation.