Four Seasons 91460 HVAC Heater Core

Reliable Heater Core Replacement for Dodge and Mitsubishi Vehicles

The Four Seasons Heater Core 91460 is designed to restore efficient heating performance in select Dodge and Mitsubishi models. 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" length, 6-3/8" width, 1-1/4" thickness
• Constructed from copper/brass for enhanced durability and heat conduction
• Meets or exceeds OEM specifications for reliable fit and function
• Tube diameter: 0.625 inches (15.875 mm) for both inlet and outlet
• Compatible with Dodge Colt, Mitsubishi Expo, Expo LRV, and Mirage models

Four Seasons Heater Core Product Line Overview

The Four Seasons Heater Core line focuses on providing high-quality HVAC heater cores that meet or exceed original equipment manufacturer standards. The 91460 model features a copper/brass core style, which offers improved corrosion resistance and thermal efficiency compared to aluminum alternatives. This product line is engineered to deliver dependable heating performance and maintain cabin comfort in a variety of vehicle applications.

Detailed Product Description

This HVAC heater core from Four Seasons is specifically designed for use in Dodge Colt and Mitsubishi Expo, Expo LRV, and Mirage vehicles. The core measures 7.75 inches in height, 6.375 inches in width, and 1.25 inches in depth, providing a precise fit for the intended applications. The copper core material enhances heat transfer efficiency and durability, while the brass components contribute to corrosion resistance. Both inlet and outlet tubes have a diameter of 0.625 inches (15.875 mm), ensuring compatibility with the vehicle's existing HVAC plumbing. The heater core does not feature adjustable pipe positioning, so it is intended as a direct replacement part.

Common Issues Addressed by This Heater Core

• Insufficient cabin heat due to clogged or leaking heater core
• Coolant leaks inside the vehicle's HVAC system
• Fogging or moisture buildup on interior windows
• Overheating caused by compromised heater core function
• Unpleasant odors from coolant contamination in the cabin

Installation Notes and Tips

When replacing the heater core 91460, ensure the vehicle's cooling system is properly drained to prevent spills. Verify that the replacement core matches the original dimensions and tube sizes for a secure fit. Since this model does not have adjustable pipe positioning, careful alignment of inlet and outlet tubes is necessary. It is recommended to inspect and replace any worn hoses or seals during installation to maintain system integrity.

Quality Assurance and Warranty

The Four Seasons Heater Core 91460 meets or exceeds OEM standards, providing reliable performance and durability. Manufactured with high-quality copper and brass materials, this heater core is built to withstand typical operating conditions. While specific warranty details are not provided, Four Seasons products generally come with a limited warranty covering defects in materials and workmanship.