Four Seasons 90011 HVAC Heater Core - Front

Overview of Four Seasons Heater Core 90011

The Four Seasons Heater Core 90011 is designed specifically for Ford Econoline models, including E-150, E-250, and E-350 series. This aluminum heater core provides reliable heating performance and meets or exceeds OEM standards for durability and fitment.

• Core dimensions: 7-1/8" length, 7-1/4" width, 1-7/8" thickness
• Constructed from corrosion-resistant aluminum
• Core depth: 1.875 inches, height: 7.125 inches, width: 7.250 inches
• Tube sizes: 0.625" (15.875 mm) and 0.750" (19.050 mm)
• Non-adjustable pipe positioning for precise OEM fit
• Compatible with Ford E-150, E-150 Club Wagon, E-150 Econoline, E-250 Econoline, E-350 Club Wagon, E-350 Econoline, and E-350 Super Duty models

Four Seasons Heater Core Product Line

The Four Seasons Heater Core product line focuses on delivering HVAC heater cores engineered to meet or exceed original equipment manufacturer specifications. The Heater Core line emphasizes quality materials such as aluminum for enhanced heat transfer and corrosion resistance. Part number 90011 is a representative component within this line, designed to provide consistent heating performance and reliable fitment for Ford Econoline vehicles.

Detailed Product Description

This HVAC heater core from Four Seasons features an aluminum core that ensures efficient heat exchange and long-lasting durability. The core measures 7-1/8 inches in length, 7-1/4 inches in width, and 1-7/8 inches in thickness, with a core depth of 1.875 inches. The two inlet and outlet tubes measure 0.625 inches and 0.750 inches respectively, matching OEM specifications for seamless integration. The pipe positioning is fixed, ensuring a precise fit without the need for adjustments. This heater core is engineered to replace the original part in Ford E-150, E-250, and E-350 Econoline models, including Club Wagon and Super Duty variants.

Common Applications and Issues Addressed

• Restores heating functionality in Ford E-150 and E-350 Econoline vehicles
• Resolves coolant leaks within the heater core assembly
• Eliminates insufficient cabin heat due to clogged or damaged cores
• Prevents engine overheating caused by heater core failure
• Replaces corroded or deteriorated aluminum cores for improved HVAC performance

Installation Notes and Tips

• Ensure compatibility with specific Ford Econoline model and year before installation
• Drain the cooling system prior to heater core removal to avoid spills
• Handle the aluminum core carefully to prevent damage to fins and tubes
• Verify hose connections match tube sizes of 0.625" and 0.750" for proper sealing
• Bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty

The Four Seasons Heater Core 90011 meets or exceeds OEM quality standards, providing reliable performance and durability. Manufactured with corrosion-resistant aluminum, this heater core is designed for long service life in demanding automotive environments. Warranty coverage details should be confirmed with the product documentation or supplier.