Four Seasons 90045 HVAC Heater Core - Front

Reliable HVAC Heater Core for Ford, Lincoln, and Mercury Vehicles

The Four Seasons Heater Core part number 90045 is designed to restore efficient heating performance in select Ford, Lincoln, and Mercury models. Engineered with durable aluminum construction, this heater core ensures consistent heat transfer and long-lasting operation for your vehicle's HVAC system.

Key Features of Four Seasons Heater Core 90045

• Core dimensions: 7-1/2 inches length, 5-7/8 inches width, and 1-7/8 inches thickness
• Constructed from corrosion-resistant aluminum for durability
• Tube diameter: 0.625 inches (15.875 mm) for both inlet and outlet tubes
• Meets or exceeds OEM specifications for reliable fit and function
• Non-adjustable pipe positioning for straightforward installation

Detailed Description of the Heater Core

This Four Seasons Heater Core from the Heater Core product line is specifically designed to meet the heating needs of Ford Aviator, Explorer, Explorer Sport, Explorer Sport Trac, and Mercury Mountaineer models. The aluminum core material provides efficient heat exchange while resisting corrosion, which helps maintain optimal HVAC performance over time. With core dimensions of 7.5 inches in height, 5.875 inches in width, and a depth of 1.875 inches, this heater core fits precisely within the designated HVAC housing. The 0.625-inch diameter tubes ensure proper coolant flow, supporting effective cabin heating.

Common Applications and Issues Resolved

• Restores heating functionality in Ford Explorer and Lincoln Aviator vehicles
• Eliminates coolant leaks caused by damaged or corroded heater cores
• Prevents fogging and poor defrost performance due to inadequate heat transfer
• Addresses overheating issues related to restricted coolant flow in the heater core
• Replaces worn or clogged cores to improve overall HVAC system efficiency

Installation Notes and Tips

When installing the Four Seasons Heater Core 90045, ensure compatibility with your specific vehicle model and year. The non-adjustable pipe positioning requires careful alignment during installation to avoid leaks. It is recommended to flush the cooling system before installation to remove debris and prevent premature clogging. Proper sealing and secure hose connections are essential for optimal performance.

Quality Assurance and Warranty

Four Seasons heater cores are manufactured to meet or exceed OEM standards, providing reliable performance and durability. This part number 90045 undergoes rigorous quality control to ensure fitment and function. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.