Four Seasons 54475 A/C Evaporator Core - Rear

Overview of Four Seasons Evaporator Core 54475

The Four Seasons Evaporator Core 54475 is designed for reliable HVAC performance in select Chevrolet and GMC vehicles. This A/C evaporator core is engineered to meet the specific dimensions and fitting requirements of models like the Chevrolet Blazer and GMC Yukon, ensuring proper fit and function.

• Core dimensions: 13.5 inches width, 9.25 inches height, 2.875 inches depth
• Plate & fin type aluminum construction for efficient heat exchange
• Inlet fitting outside diameter: No. 8; outlet fitting outside diameter: No. 10
• Includes two green O-rings ([24608] and [24610]) for secure sealing
• Compatible with Chevrolet Blazer, C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban, and GMC Yukon

Four Seasons Evaporator Core Product Line Details

The Four Seasons Evaporator Core product line focuses on delivering precise replacement evaporator cores that match original equipment specifications. The 54475 part maintains the plate and fin design typical of this line, providing consistent airflow and heat absorption. This ensures the HVAC system operates efficiently within the specified Chevrolet and GMC models.

Technical Specifications and Features

This evaporator core features a core width of 13.5 inches (342.9 mm), height of 9.25 inches (234.95 mm), and a depth of 2.875 inches (73.025 mm). Constructed from aluminum, it offers durability and corrosion resistance. The plate and fin design enhances heat transfer efficiency, critical for effective air conditioning performance. The inlet and outlet fittings are sized No. 8 and No. 10 respectively, matching OEM standards for seamless integration.

Applications and Common Issues Addressed

• Replacement for faulty or leaking evaporator cores in Chevrolet Blazer and GMC Yukon HVAC systems
• Resolves insufficient cooling caused by clogged or damaged evaporator cores
• Addresses refrigerant leaks due to worn or damaged seals and O-rings
• Improves airflow and temperature regulation within the vehicle cabin
• Restores proper function to A/C systems in Chevrolet and GMC Suburban models

Installation Notes and Tips

When installing the Four Seasons Evaporator Core 54475, ensure the vehicle is compatible with the specified fitment list. Proper handling of the aluminum core is important to avoid damage. Replace the included green O-rings ([24608] and [24610]) to maintain a secure, leak-free seal. It is recommended to inspect the HVAC system for any additional issues such as clogged expansion valves or contaminated refrigerant during installation.

Quality Assurance and Warranty

Four Seasons manufactures the Evaporator Core 54475 to meet or exceed OEM standards for durability and performance. The aluminum construction and precise fitment contribute to long service life. This part is backed by Four Seasons' quality assurance protocols. Please refer to Four Seasons' official warranty terms for coverage details.