Four Seasons 54991 A/C Evaporator Core

Reliable A/C Evaporator Core for Subaru Legacy

The Four Seasons Evaporator Core 54991 is designed to restore efficient air conditioning performance in your Subaru Legacy. Engineered with precise dimensions and durable materials, this A/C evaporator core ensures proper fitment and reliable cooling.

• Compatible with Subaru Legacy models
• Core dimensions: 9.25" width, 8.8125" height, 2.9375" depth
• Constructed from lightweight aluminum for durability
• Includes green O-rings [24608], [24646], and [24670] for secure sealing
• Features plate & fin design for effective heat exchange
• Inlet fitting: No. 8 block fitting; outlet fitting: No. 10

Four Seasons Evaporator Core Product Line

The Four Seasons Evaporator Core line focuses on delivering precise replacement evaporator cores that meet OEM specifications. This product line emphasizes quality materials such as aluminum and includes necessary sealing components like green O-rings to ensure leak-free operation. The 54991 part number is part of this line, providing a direct fit solution for Subaru Legacy vehicles requiring A/C system repairs.

Detailed Product Description

The Four Seasons 54991 A/C evaporator core is crafted from aluminum, offering a balance of strength and corrosion resistance. Its plate and fin construction optimizes heat transfer, improving the efficiency of your vehicle’s air conditioning system. The core measures 9.25 inches in width, 8.8125 inches in height, and 2.9375 inches in depth, matching the exact specifications needed for Subaru Legacy models. The inlet and outlet fittings are designed with block fittings sized No. 8 and No. 10 respectively, ensuring compatibility with existing HVAC lines. Included green O-rings provide a secure seal to prevent refrigerant leaks and maintain system integrity.

Common Issues Addressed by This Evaporator Core

• Reduced cooling performance in Subaru Legacy A/C system
• Refrigerant leaks due to damaged or worn evaporator core
• Unpleasant odors caused by mold or debris buildup inside the evaporator
• HVAC system moisture accumulation leading to fogging or condensation
• System inefficiency resulting from clogged or corroded evaporator fins

Installation Notes and Tips

• Ensure compatibility with Subaru Legacy model year before installation
• Replace all associated O-rings to maintain proper sealing
• Handle the aluminum core carefully to avoid damage to fins
• Flush the HVAC system to remove debris before installing the new evaporator core
• Follow manufacturer torque specifications for inlet and outlet fittings

Quality Assurance and Warranty

Four Seasons provides this evaporator core with quality assurance to meet OEM standards. The use of durable aluminum and included sealing O-rings supports long-term reliability. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.