Four Seasons 98713 HVAC Heater Core

Reliable Heater Core Replacement for Toyota Pickup and T100

The Four Seasons Heater Core part number 98713 is designed to restore efficient heating performance in your Toyota Pickup or T100. Engineered with durable aluminum construction, this heater core meets or exceeds OEM standards to ensure reliable operation and long-lasting service.

Key Features of Four Seasons Heater Core 98713

• Core dimensions: 8-5/8 inches length, 5-5/8 inches width, and 1-1/4 inches thickness
• Constructed from corrosion-resistant aluminum for enhanced durability
• Core depth of 1.250 inches and height of 8.625 inches for precise fitment
• Tube sizes: 0.625 inch (15.875 mm) and 0.750 inch (19.050 mm) for proper coolant flow
• Designed specifically for Toyota Pickup and T100 models
• Meets or exceeds original equipment manufacturer (OEM) specifications

About the Four Seasons Heater Core Product Line

The Four Seasons Heater Core line focuses on delivering dependable HVAC components that maintain vehicle heating system efficiency. This aluminum heater core is part of that line, offering a balance of lightweight design and corrosion resistance. The Heater Core product line is engineered to provide consistent heat transfer and durability, making it suitable for replacement in Toyota Pickup and T100 vehicles requiring a direct-fit heater core solution.

Detailed Product Description

This HVAC heater core from Four Seasons features an aluminum core material that resists corrosion and supports efficient heat exchange. The precise core dimensions of 8-5/8 inches in length, 5-5/8 inches in width, and 1-1/4 inches in thickness ensure compatibility with the heating system of Toyota Pickup and T100 models. The two tubes, sized at 0.625 inch and 0.750 inch, facilitate proper coolant circulation through the core. This part number 98713 is designed without adjustable pipe positioning, matching the original equipment design for straightforward installation and reliable performance.

Common Applications and Issues Addressed

• Restores heating function in Toyota Pickup and T100 HVAC systems
• Resolves coolant leaks within the heater core assembly
• Eliminates reduced cabin heat output due to clogged or damaged cores
• Prevents engine overheating caused by heater core failure
• Replaces corroded or deteriorated aluminum cores to maintain system integrity

Installation Notes and Tips

When installing the Four Seasons Heater Core 98713, ensure the vehicle is properly drained of coolant to avoid spills. Verify the core dimensions and tube sizes match the original part for a direct fit. Since this heater core does not feature adjustable pipe positioning, alignment with existing HVAC hoses is critical. Follow manufacturer guidelines for securing the core and reconnecting coolant lines to prevent leaks.

Quality Assurance and Warranty

Four Seasons heater cores are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. This part number 98713 undergoes quality control testing to ensure proper fit and function in Toyota Pickup and T100 models. Please refer to Four Seasons for specific warranty details applicable to this heater core.