Four Seasons 90766 HVAC Heater Core

Overview of Four Seasons Heater Core 90766 for Toyota Corolla

The Four Seasons Heater Core 90766 is designed specifically for Toyota Corolla models, providing reliable heating performance. This aluminum heater core ensures efficient heat transfer and durability, meeting or exceeding OEM standards for a precise fit and long-lasting operation.

• Core dimensions: 8-3/4 inches length, 5-1/4 inches width, 1-1/4 inches thickness
• Constructed from durable aluminum for effective heat dissipation
• Tube diameter: 0.625 inches (15.875 mm) for both inlet and outlet
• Non-adjustable pipe positioning for direct OEM replacement
• Meets or exceeds original equipment manufacturer specifications

Four Seasons Heater Core Product Line Details

The Four Seasons Heater Core product line focuses on delivering high-quality HVAC heater cores engineered for compatibility and performance. The Heater Core line emphasizes materials like aluminum to provide corrosion resistance and efficient heat exchange, making it suitable for vehicles such as the Toyota Corolla. Part number 90766 is part of this line, ensuring consistent quality and fitment.

Product Description and Specifications

This HVAC heater core features an aluminum core measuring 8.75 inches in height, 5.25 inches in width, and 1.25 inches in depth. The core’s aluminum construction enhances heat transfer while resisting corrosion, which is critical for maintaining heating system efficiency. Both inlet and outlet tubes have a diameter of 0.625 inches (15.875 mm), matching OEM specifications for seamless integration. The pipe positioning is fixed, designed to replace the original heater core without modification.

Common Applications and Issues Addressed

• Restores heating function in Toyota Corolla vehicles with failing heater cores
• Resolves coolant leaks inside the vehicle cabin
• Eliminates reduced heat output due to clogged or damaged cores
• Prevents engine overheating caused by compromised heater core performance
• Addresses unpleasant odors from leaking coolant in the HVAC system

Installation Notes and Tips

Installation of the Four Seasons Heater Core 90766 requires draining the vehicle’s cooling system and removing the dashboard components to access the heater core housing. Since the pipe positioning is non-adjustable, ensure compatibility with your Toyota Corolla model year before installation. Use OEM recommended coolant and follow manufacturer torque specifications for hose connections to prevent leaks.

Quality Assurance and Warranty

The Four Seasons Heater Core 90766 meets or exceeds OEM quality standards, providing reliable performance and durability. This part is manufactured with precision to ensure proper fit and function in Toyota Corolla vehicles. Warranty details should be confirmed with the point of purchase or manufacturer documentation.