Four Seasons 98781 HVAC Heater Core - Front

Reliable Heater Core Replacement for Ford Windstar

The Four Seasons Heater Core part number 98781 is designed specifically for Ford Windstar models, providing efficient heating performance and durability. This aluminum heater core ensures proper cabin warmth and comfort during colder months.

• Core dimensions: 7-3/8 inches length, 7-1/4 inches width, 1-7/8 inches thickness
• Constructed from corrosion-resistant aluminum material
• Tube diameter: 0.75 inches (19.05 mm) for both inlet and outlet
• Meets or exceeds OEM specifications for reliable fit and function
• Non-adjustable pipe positioning for straightforward installation

About the Four Seasons Heater Core Product Line

The Four Seasons Heater Core line focuses on delivering durable and efficient heating components for automotive HVAC systems. This product line emphasizes quality materials such as aluminum cores that resist corrosion and maintain heat transfer efficiency. The Heater Core 98781 is part of this line, engineered to meet or exceed OEM standards for the Ford Windstar, ensuring compatibility and long-term performance.

Detailed Product Description

This HVAC heater core features a compact design with core dimensions of 7.375 inches in height, 7.25 inches in width, and a depth of 1.875 inches. The aluminum construction provides excellent heat dissipation and corrosion resistance, which is critical for maintaining consistent cabin heating. Both inlet and outlet tubes measure 0.75 inches in diameter, matching OEM specifications for seamless integration into the Ford Windstar’s HVAC system. The fixed pipe positioning simplifies installation without the need for adjustments.

Common Issues Addressed by This Heater Core

• Insufficient cabin heat due to clogged or leaking heater core
• Coolant leaks inside the vehicle’s interior
• Fogging or moisture buildup on windows caused by heater core failure
• Overheating engine symptoms linked to heater core malfunction
• Unpleasant odors from coolant leaks within the HVAC system

Installation Notes and Tips

Installation of the Four Seasons Heater Core 98781 requires removal of the dashboard and HVAC housing in the Ford Windstar. Ensure all coolant is drained before removal to prevent spills. Since the pipe positioning is fixed, verify alignment with existing hoses before securing. Use OEM-quality clamps and replace any worn seals to prevent leaks. Proper bleeding of the cooling system after installation is essential to avoid air pockets.

Quality Assurance and Warranty

The Four Seasons Heater Core 98781 meets or exceeds OEM standards, ensuring reliable performance and fitment for Ford Windstar vehicles. Manufactured with corrosion-resistant aluminum, this heater core is built for durability. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.