Four Seasons 90001 HVAC Heater Core - Front

Overview of Four Seasons Heater Core 90001

The Four Seasons Heater Core 90001 is designed to restore efficient heating performance in select Ford and Lincoln vehicles. Engineered with durable aluminum construction, this heater core ensures reliable heat transfer and long-lasting operation for models like the Ford F-150 and Lincoln Navigator.

• Core dimensions: 7-1/4 inches length, width, and height
• Core thickness/depth: 1-7/8 inches (1.875 inches)
• Constructed from corrosion-resistant aluminum
• Tube diameter: 0.625 inches (15.875 mm) for both inlet and outlet
• Meets or exceeds OEM specifications for quality and fit
• Non-adjustable pipe positioning for direct replacement

Detailed Product Description

This Four Seasons Heater Core from the Heater Core product line is built to meet the exacting standards required for HVAC systems in Ford and Lincoln vehicles. The aluminum core material provides efficient heat conduction while resisting corrosion, which is critical for maintaining consistent cabin heating. With core dimensions of 7-1/4 inches in length, width, and height, and a thickness of 1-7/8 inches, this heater core is designed to fit precisely in the HVAC housing of compatible vehicles. The inlet and outlet tubes both measure 0.625 inches in diameter, ensuring proper coolant flow and connection compatibility.

Compatible Vehicles and Applications

This heater core is compatible with a range of Ford and Lincoln models, including:

• Ford Blackwood
• Ford Expedition
• Ford F-150 and F-150 Heritage
• Ford F-250 and F-350
• Lincoln Navigator

It is an ideal replacement part for restoring heating system functionality in these vehicles, especially when experiencing issues related to heat delivery or coolant leaks.

Common Issues Addressed by Heater Core 90001

• Reduced or no heat inside the cabin
• Coolant leaks inside the vehicle or on the passenger side floor
• Fogging or condensation on windows due to heater core failure
• Unpleasant sweet smell inside the vehicle indicating coolant leakage
• Overheating engine caused by heater core blockage

Installation Notes and Tips

Installation of the Four Seasons Heater Core 90001 requires removal of the dashboard and HVAC housing in most compatible vehicles. It is important to drain the cooling system before removal to prevent spills. Since this heater core does not feature adjustable pipe positioning, ensure proper alignment of inlet and outlet tubes during installation. Always use new seals and clamps to prevent leaks and verify coolant levels after installation.

Quality Assurance and Warranty

The Four Seasons Heater Core 90001 meets or exceeds OEM specifications, ensuring reliable performance and fitment. Manufactured with corrosion-resistant aluminum, it is designed for durability and long service life. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.