Four Seasons 91805 HVAC Heater Core

Overview of Four Seasons Heater Core 91805 for Toyota Tacoma

The Four Seasons Heater Core 91805 is designed specifically for Toyota Tacoma models, providing reliable heating performance. This aluminum heater core ensures efficient heat transfer and durability for your vehicle's HVAC system.

• Core dimensions: 8-1/2 inches length, 6-1/2 inches width, 1-1/4 inches thickness
• Constructed from lightweight, corrosion-resistant aluminum
• Core depth and height both measure 1.25 inches and 8.5 inches respectively
• Tube diameter: 0.625 inches (15.875 mm) for both inlet and outlet tubes
• Meets or exceeds OEM specifications for quality and fit
• Non-adjustable pipe positioning for direct replacement

Four Seasons Heater Core Product Line Details

The Four Seasons Heater Core line focuses on delivering durable and efficient heating components for automotive HVAC systems. The 91805 model is part of this line, featuring aluminum construction that balances heat conductivity with corrosion resistance. This product line is engineered to meet or exceed original equipment manufacturer standards, ensuring compatibility and performance for Toyota Tacoma vehicles.

Product Description and Specifications

This HVAC heater core is built with an aluminum core material that offers excellent heat transfer capabilities while resisting corrosion over time. The core measures 8.5 inches in length and height, with a width of 6.5 inches and a thickness of 1.25 inches, making it a precise fit for the Toyota Tacoma. Both inlet and outlet tubes have a diameter of 0.625 inches (15.875 mm), designed for seamless integration with the vehicle's existing HVAC plumbing. The pipe positioning is fixed, which means it is intended as a direct replacement part without the need for adjustment.

Common Applications and Problem Resolution

• Restores heating functionality in Toyota Tacoma HVAC systems
• 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 heater cores

Installation Notes and Tips

When installing the Four Seasons Heater Core 91805, ensure the vehicle is cooled down and the cooling system is properly drained to avoid spills. Since the pipe positioning is non-adjustable, verify compatibility with your Toyota Tacoma model year before installation. Use appropriate tools to disconnect and reconnect the inlet and outlet tubes carefully to prevent damage. It is recommended to flush the cooling system to remove debris before installing the new heater core to maximize performance and longevity.

Quality Assurance and Warranty

The Four Seasons Heater Core 91805 meets or exceeds OEM standards, ensuring reliable fit and function for Toyota Tacoma vehicles. Manufactured with corrosion-resistant aluminum, this heater core is designed for durability and consistent heating performance. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.