OSC 99131 HVAC Heater Core Front Replacement

The OSC 99131 is a premium new front HVAC heater core engineered as a direct OE replacement. Designed to restore proper cabin heating and windshield defrost performance, this heater core delivers the same fit, form, and function as the original factory unit — with no modifications required.

OSC Heat Transfer Products manufactures this heater core from premium-grade aluminum with cadmium-plated tubes inside and out to resist corrosion and prevent premature failure. A die-cut gasket is used to ensure a leak-free seal, and each unit is individually pressure tested before leaving the factory to guarantee performance and reliability.

Key Features:

• Manufactured from premium-grade Alcoa aluminum for durability and efficient heat transfer
• Cadmium-plated tubes (interior and exterior) for superior corrosion resistance
• Die-cut gasket included for a leak-free installation
• Each unit individually pressure tested for quality assurance
• Direct-fit OE replacement — no cutting, drilling, or modifications needed
• Meets or exceeds original equipment specifications for form, fit, and function
• All necessary foam, fittings, and installation accessories included
• Compatible with copper-core OE designs where originally equipped

OSC's heater cores are engineered to match original equipment cooler designs, including copper concentric and plate cooler configurations where applicable. This drop-in replacement is ideal for restoring reliable cabin heat and defrost capability to your vehicle's HVAC system.