Four Seasons 90483 HVAC Heater Core - Front

Overview of Four Seasons Heater Core 90483

The Four Seasons Heater Core 90483 is designed to restore efficient heating performance in select Cadillac, Chevrolet, and GMC vehicles. This aluminum heater core provides reliable heat transfer and meets or exceeds OEM specifications for a precise fit and function.

• Core dimensions: 8-1/4 inches length, 7 inches width, 1 inch thickness
• Constructed from durable aluminum core material
• Core depth and height both measure 1.000 inch and 8.250 inches respectively
• Tube sizes: 0.625 inch (15.875 mm) and 0.750 inch (19.050 mm)
• Compatible with multiple models including Chevrolet Blazer, Suburban, Tahoe, and GMC Yukon series

Four Seasons Heater Core Product Line Details

The Four Seasons Heater Core product line focuses on delivering replacement heater cores that meet or exceed original equipment manufacturer standards. The Heater Core line emphasizes quality aluminum construction for effective heat exchange and durability. Part number 90483 is part of this line, engineered specifically for select GM trucks and SUVs to ensure proper fitment and reliable heating system operation.

Product Description and Specifications

This HVAC heater core features an aluminum core designed for efficient heat transfer and corrosion resistance. With core dimensions of 8.25 inches in height, 7 inches in width, and 1 inch in thickness, it fits precisely within the HVAC housing of compatible vehicles. The heater core includes two tubes sized at 0.625 inch and 0.750 inch diameters, facilitating coolant flow. The part number 90483 is engineered to meet or exceed OEM requirements, ensuring compatibility and performance in Cadillac Escalade, Chevrolet C1500, K1500, Suburban 1500, Tahoe, and GMC Yukon models among others.

Common Applications and Issues Addressed

• Restores heating system functionality in Cadillac, Chevrolet, and GMC trucks and SUVs
• Resolves heater core leaks causing coolant loss or interior fogging
• Eliminates insufficient cabin heat due to clogged or damaged cores
• Prevents overheating issues related to heater core failure
• Addresses corrosion and core degradation in older vehicles

Installation Notes and Tips

Installation of the Four Seasons Heater Core 90483 requires removal of the HVAC housing and careful handling to avoid damage to the aluminum core. Ensure all coolant lines are properly connected to the 0.625 inch and 0.750 inch tubes. It is recommended to flush the cooling system before installation to prevent contamination. Verify fitment compatibility with your specific Cadillac, Chevrolet, or GMC model prior to installation.

Quality Assurance and Warranty

This heater core meets or exceeds OEM standards for fit, form, and function. Four Seasons provides quality assurance through rigorous testing and material selection. While specific warranty details are not provided here, Four Seasons products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.