Four Seasons 98481 HVAC Heater Core

Reliable Heater Core Replacement for Buick, Oldsmobile, and Pontiac

The Four Seasons Heater Core 98481 is designed to restore efficient heating performance in select Buick, Oldsmobile, and Pontiac vehicles. Engineered with durable aluminum construction, this heater core ensures consistent heat transfer and long-lasting operation.

• Core dimensions: 6-3/4 inches length, 7-1/2 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
• Compatible with Buick LeSabre, Oldsmobile Delta 88, and Pontiac Bonneville models

Four Seasons Heater Core Product Line Overview

The Four Seasons Heater Core line focuses on delivering quality HVAC components that meet or exceed original equipment manufacturer standards. The Heater Core 98481 is part of this line, offering precise core dimensions and aluminum construction to provide efficient heat exchange and durability in automotive heating systems.

Detailed Product Description and Specifications

This HVAC heater core features a core height of 6.75 inches, width of 7.5 inches, and a depth of 1.875 inches, making it suitable for specific GM full-size sedans. The aluminum core material enhances heat transfer efficiency while resisting corrosion over time. Both inlet and outlet tubes measure 0.75 inches in diameter, ensuring proper coolant flow. The fixed pipe positioning design maintains consistent installation alignment without adjustment.

Common Applications and Problem Resolution

• Restores heating performance in Buick LeSabre, Oldsmobile Delta 88, and Pontiac Bonneville
• Replaces leaking or clogged heater cores causing coolant loss
• Eliminates insufficient cabin heat due to core blockages or corrosion
• Prevents engine overheating related to heater core failures
• Addresses HVAC system odors caused by damaged cores

Installation Notes and Tips

When installing the Four Seasons Heater Core 98481, ensure compatibility with the vehicle’s HVAC housing and confirm the core dimensions match the original part. Proper coolant system flushing is recommended before installation to prevent contamination. Handle the aluminum core carefully to avoid damage to the fins and tubes during installation.

Quality Assurance and Warranty Information

This heater core meets or exceeds OEM standards for fit, form, and function. Four Seasons provides quality assurance backed by their manufacturing processes, ensuring reliable performance. Please refer to Four Seasons’ warranty policy for specific coverage details related to this part number 98481.