Four Seasons 54845 A/C Evaporator Core

Overview of Four Seasons Evaporator Core 54845

The Four Seasons Evaporator Core 54845 is designed for reliable HVAC performance in select Hummer, Pontiac, and Saturn vehicles. This A/C evaporator core ensures efficient cooling by utilizing durable aluminum construction and precise dimensions tailored for specific models.

• Compatible with Hummer H3, H3T, Pontiac Sky, and Saturn Solstice
• Constructed from corrosion-resistant aluminum material
• Plate & fin design for effective heat exchange
• Dimensions: Width 9.25", Height approximately 10", Depth 2.375"
• Flange-type inlet and outlet fittings with No. 8 and No. 10 outside diameters
• Includes slimline washer O-rings for secure sealing

Detailed Product Features and Specifications

The Four Seasons Evaporator Core 54845 features a plate and fin design that optimizes airflow and heat transfer within the HVAC system. Its aluminum core measures 9.25 inches in width, 9.8125 to 10 inches in height, and 2.375 inches in depth (60.325 mm), providing a precise fit for the intended vehicle models. The inlet and outlet fittings are flange type, with outside diameters of No. 8 and No. 10 respectively, ensuring compatibility with factory HVAC connections. The included O-rings (part numbers 24402 and 24403) are slimline washers that help maintain a tight seal and prevent refrigerant leaks.

About the Four Seasons Evaporator Core Product Line

The Evaporator Core line by Four Seasons focuses on delivering reliable HVAC components engineered for specific vehicle applications. This product line emphasizes quality materials and exact fitment to maintain factory performance standards. The 54845 evaporator core is part of this line, designed to meet the cooling demands of select Hummer, Pontiac, and Saturn models while ensuring durability and efficient operation.

Common Applications and Problem Resolution

• Restores proper air conditioning cooling in Hummer H3 and H3T models
• Replaces faulty evaporator cores causing refrigerant leaks in Pontiac Sky
• Addresses reduced airflow or inconsistent cabin temperature in Saturn Solstice
• Eliminates musty odors caused by clogged or damaged evaporator cores
• Prevents HVAC system freeze-ups due to compromised core performance

Installation Notes and Tips

When installing the Four Seasons Evaporator Core 54845, ensure the HVAC system is fully evacuated and free of moisture before fitting the new core. Use the included slimline washer O-rings to secure inlet and outlet connections, preventing leaks. Verify that the flange fittings align correctly with the vehicle’s HVAC lines to avoid damage. It is recommended to inspect and replace the cabin air filter during installation to maintain optimal airflow and system efficiency.

Quality Assurance and Warranty

Four Seasons manufactures the 54845 evaporator core with corrosion-resistant aluminum and precision engineering to meet OEM specifications. The product undergoes rigorous quality control to ensure durability and performance. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship, supporting long-term reliability for your vehicle’s HVAC system.