Four Seasons 54275 A/C Evaporator Core - Front

Overview of Four Seasons Evaporator Core 54275

The Four Seasons Evaporator Core 54275 is designed to restore efficient air conditioning performance in select Chevrolet and GMC trucks and SUVs. Engineered with durable aluminum and precise dimensions, this A/C evaporator core ensures reliable cooling for your vehicle's HVAC system.

• Compatible with Chevrolet and GMC models including Blazer, C10, C1500, K5 Blazer, Jimmy, and Suburban variants
• Constructed from corrosion-resistant aluminum material
• Plate & fin design for effective heat exchange
• Dimensions: Width 9.0 inches, Height 8.625 inches, Depth 3.625 inches
• Male insert o-ring inlet and outlet fittings with No. 12 outside diameter
• Includes green O-rings [24608] and [24612] for secure sealing

Four Seasons Evaporator Core Product Line Details

The Evaporator Core line by Four Seasons focuses on delivering precise fit and reliable HVAC performance for a range of vehicle applications. This product line emphasizes quality materials and exact fitment specifications to maintain factory-level air conditioning efficiency. The 54275 part number is part of this line, engineered to meet the specific requirements of Chevrolet and GMC trucks and SUVs from various model years.

Product Specifications and Features

This A/C evaporator core features a plate and fin construction made from aluminum, providing durability and efficient heat transfer. The core measures 9.0 inches in width, 8.625 inches in height, and 3.625 inches in depth, with a core depth of 3-5/8 inches (92.075 mm) and core height of 8-5/8 inches (219.075 mm). Both inlet and outlet fittings use male insert o-rings with a No. 12 outside diameter, ensuring a secure and leak-free connection. The included green O-rings ([24608] and [24612]) help maintain a tight seal within the HVAC system.

Common Applications and Issues Addressed

• Restores cooling performance in Chevrolet Blazer and GMC Jimmy A/C systems
• Replaces leaking or clogged evaporator cores in C10, C1500, and K5 Blazer models
• Solves issues related to insufficient cabin cooling and refrigerant leaks
• Addresses HVAC odors caused by damaged evaporator cores
• Improves overall air conditioning efficiency in Suburban and pickup truck variants

Installation Notes and Tips

Installation of the Four Seasons Evaporator Core 54275 requires removal of the vehicle’s HVAC housing. Ensure all refrigerant is properly evacuated before beginning work. Use the included green O-rings to replace old seals and prevent leaks. Verify that the male insert o-ring fittings are properly seated and tightened to manufacturer torque specifications. It is recommended to inspect the entire A/C system for contamination or damage during replacement.

Quality Assurance and Warranty

Four Seasons manufactures the Evaporator Core 54275 to meet OEM standards for fit and function. The aluminum construction and plate & fin design contribute to long-lasting durability. This part is backed by Four Seasons’ quality assurance processes. Please refer to Four Seasons’ official warranty documentation for specific coverage details.