Four Seasons 91629 HVAC Heater Core - Front

Reliable Heater Core Replacement for Ford Econoline Models

The Four Seasons Heater Core 91629 is designed to restore efficient heating performance in your Ford E-Series Econoline van. Engineered with durable copper and brass materials, this heater core ensures consistent heat transfer and long-lasting operation for your vehicle's HVAC system.

• Core dimensions: 7-3/4 inches length, width, and height with 2-inch thickness
• Constructed from copper/brass for enhanced durability and heat conductivity
• Compatible with Ford E-100, E-150, E-250, and E-350 Econoline and Club Wagon models
• Meets or exceeds OEM specifications for reliable fit and function
• Standard 0.625 inch (15.875 mm) inlet and outlet tubes

About the Four Seasons Heater Core Product Line

The Four Seasons Heater Core line focuses on providing direct-fit replacement cores that meet or exceed original equipment manufacturer standards. This ensures that the 91629 heater core integrates seamlessly with your vehicle’s existing HVAC system, maintaining proper heating performance and system reliability.

Product Details and Specifications

This heater core features a copper/brass construction that offers superior heat transfer compared to aluminum alternatives. The core measures 7.75 inches in length, width, and height, with a 2-inch core depth, providing the precise dimensions needed for proper fitment in Ford Econoline vans. The inlet and outlet tubes are both 0.625 inches in diameter, matching OEM specifications to ensure compatibility with existing hoses and connections. Note that this model does not include adjustable pipe positioning.

Common Applications and Issues Addressed

• Restores heating functionality in Ford E-100, E-150, E-250, and E-350 Econoline and Club Wagon models
• Replaces leaking or clogged heater cores causing coolant loss or poor cabin heat
• Solves issues with insufficient heat output or inconsistent HVAC performance
• Addresses heater core corrosion or internal blockages affecting coolant flow
• Prevents engine overheating related to heater core failures

Installation Notes and Tips

When installing the Four Seasons Heater Core 91629, ensure the vehicle is fully cooled and the cooling system is depressurized before removal. Verify that the core dimensions and tube sizes match your Ford Econoline model to avoid fitment issues. Properly flush the cooling system to remove debris before installing the new heater core to maintain optimal performance. Tighten all hose clamps securely to prevent leaks.

Quality Assurance and Warranty

The Four Seasons Heater Core 91629 meets or exceeds OEM standards for fit, form, and function, providing dependable heating system performance. This part is backed by Four Seasons’ quality assurance protocols, ensuring durability and reliability in demanding automotive environments.