Four Seasons 90072 HVAC Heater Core - Front

Reliable Heater Core Replacement for Toyota Sequoia and Tundra

The Four Seasons Heater Core 90072 is designed to restore efficient heating performance in your Toyota Sequoia or Tundra. Engineered with durable aluminum construction, this heater core meets or exceeds OEM standards to ensure reliable operation and long-lasting service.

• Core dimensions: 8-1/2 inches length, 7 inches width, 1-1/4 inches thickness
• Constructed from corrosion-resistant aluminum material
• Tube diameter: 0.625 inches (15.875 mm) for both inlet and outlet
• Meets or exceeds original equipment manufacturer (OEM) specifications
• Designed specifically for Toyota Sequoia and Tundra models

About the Four Seasons Heater Core Product Line

The Four Seasons Heater Core line focuses on delivering dependable HVAC components that maintain proper cabin heating and comfort. This aluminum heater core is part of that line, offering a balance of durability and efficient heat transfer. The product line emphasizes compatibility and quality to support vehicle HVAC system performance.

Product Details and Specifications

The Four Seasons Heater Core 90072 features an aluminum core measuring 8.5 inches in height, 7 inches in width, and 1.25 inches in depth. Both inlet and outlet tubes have a diameter of 0.625 inches (15.875 mm), ensuring proper coolant flow. The core’s aluminum construction provides resistance to corrosion and heat, contributing to consistent heating output. This heater core does not include adjustable pipe positioning, maintaining a fixed configuration compatible with the specified Toyota models.

Common Applications and Issues Addressed

• Restores heating function in Toyota Sequoia and Tundra HVAC systems
• Resolves coolant leaks within the heater core assembly
• Eliminates reduced cabin heat due to clogged or damaged cores
• Prevents overheating caused by inefficient heat exchange
• Replaces corroded or deteriorated OEM heater cores

Installation Notes and Tips

When installing the Four Seasons Heater Core 90072, ensure the vehicle is properly drained of coolant before removal of the old core. Verify the heater core dimensions and tube sizes match the original part to avoid fitment issues. Handle the aluminum core carefully to prevent damage to the fins and tubes. Refill and bleed the cooling system thoroughly after installation to prevent air pockets and ensure optimal heater performance.

Quality Assurance and Warranty

This heater core meets or exceeds OEM specifications for fit, form, and function. Four Seasons products are manufactured under strict quality control standards to provide reliable HVAC performance. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Refer to the manufacturer’s warranty documentation for complete terms.