OSC 98559 HVAC Heater Core

The OSC 98559 is a premium replacement heater core engineered to match original equipment form, fit, and function. Constructed from premium-grade Alcoa aluminum, this heater core delivers reliable cabin heating performance for your vehicle.

Key Features:

• Premium-grade Alcoa aluminum construction for superior durability
• Cadmium-plated tubes inside and out to prevent premature failure
• Individually pressure tested to ensure leak-free operation
• Drop-in fit design eliminates the need for modifications or adapters
• Die-cut gaskets ensure proper sealing and prevent leaks
• Engineered for optimal thermal conductivity and efficient heat transfer
• All necessary fittings and hardware included for straightforward installation

OSC heater cores undergo rigorous cycle, vibration, and burst testing to ensure they meet or exceed OE specifications. Designed for vehicles without air conditioning, this heater core provides dependable performance and is engineered to improve the life of high-mileage vehicles. Each unit is manufactured to solve original design failures while maintaining the exact design specifications required for proper operation.