Four Seasons 54191 A/C Evaporator Core

Reliable A/C Evaporator Core for Select Geo, Mitsubishi, Suzuki, and Toyota Models

The Four Seasons Evaporator Core 54191 is engineered to restore efficient cooling performance in your vehicle's HVAC system. Designed specifically for models like the Toyota 4Runner, Corolla, Supra, and others, this aluminum evaporator core ensures proper heat exchange and airflow within your A/C system.

• Dimensions: 8.5" width x 9.25" height x 3.125" depth for precise fitment
• Plate & fin core type for effective heat dissipation
• Block fitting inlet and outlet for secure connections
• Includes two green O-rings (part number 24610) for leak-free sealing
• Constructed from durable aluminum material

About the Four Seasons Evaporator Core Product Line

The Four Seasons Evaporator Core line focuses on delivering reliable HVAC components that meet OEM specifications. This product line emphasizes quality materials and precise dimensions to ensure compatibility and performance. The 54191 evaporator core is part of this line, offering a plate and fin design that supports efficient cooling in compatible vehicles.

Product Details and Specifications

This A/C evaporator core measures 8.5 inches in width, 9.25 inches in height, and 3.125 inches in depth, matching the exact requirements for select Geo, Mitsubishi, Suzuki, and Toyota vehicles. The core depth is approximately 3-1/8 inches (79.375 mm), with a height of 9-1/4 inches (234.95 mm) and width of 8-1/2 inches (215.9 mm). Both the inlet and outlet fittings use block fittings, ensuring a secure and leak-resistant connection. The aluminum construction provides durability and efficient thermal conductivity, while the included green O-rings (two per unit) help maintain a tight seal within the HVAC system.

Compatible Vehicles and Common Applications

• Geo Prizm and Esteem models requiring A/C evaporator core replacement
• Mitsubishi Montero and Suzuki vehicles with matching core dimensions
• Toyota 4Runner, Corolla, and Supra models compatible with part number 54191
• Replacement for evaporator cores exhibiting leaks, reduced cooling, or corrosion

Installation Notes and Tips

• Ensure the HVAC system is fully depressurized before removal
• Verify the block fitting connections match your vehicle’s HVAC lines
• Replace O-rings with the included green O-rings to prevent leaks
• Handle the aluminum core carefully to avoid damage during installation
• Test the A/C system for proper operation after installation

Quality Assurance and Warranty Information

Four Seasons manufactures the 54191 evaporator core to meet or exceed OEM standards. The aluminum construction and precise dimensions contribute to long-lasting performance. This part is backed by Four Seasons’ quality assurance protocols, ensuring reliability in compatible Geo, Mitsubishi, Suzuki, and Toyota vehicles. Warranty details are provided by Four Seasons and should be confirmed at the time of purchase.