OSC 98999 Replacement Heater Core

The OSC 98999 is a direct-fit replacement heater core designed to restore proper cabin heating performance. OSC (Original Solutions Company) manufactures this heater core to meet or exceed original equipment specifications, ensuring a reliable, leak-free fit for the intended application.

Heater cores are a critical component of a vehicle's HVAC system, transferring engine coolant heat into the passenger cabin. Over time, heater cores can develop leaks, become clogged, or corrode — leading to poor heat output, foggy windows, or coolant loss. The OSC 98999 provides a quality OE-style replacement to restore full heating capacity.

Key Features:

• Direct OE replacement — designed to match original equipment fit and function
• Constructed with high-quality materials for long-lasting durability and corrosion resistance
• Precision-engineered core fins and tubes for optimal heat transfer efficiency
• Pressure-tested to ensure leak-free performance before leaving the factory
• Restores proper cabin heat and defroster function

The OSC 98999 heater core is engineered for straightforward installation, making it an ideal choice for professional technicians and experienced DIY mechanics alike.