Four Seasons 64003 A/C Evaporator Core - Front

Overview of Four Seasons Evaporator Core 64003

The Four Seasons Evaporator Core 64003 is designed to restore efficient cooling performance in select INFINITI, Lexus, and Toyota vehicles. This A/C evaporator core is engineered with precise dimensions and fittings to ensure proper fit and function in models like the Toyota 4Runner, FJ Cruiser, Lexus GX470, and INFINITI Q70 series.

• Core dimensions: 10 inches width, 11.25 inches height, 1.5 inches depth
• Inlet and outlet block fittings with No. 10 outlet fitting outside diameter
• Constructed from durable aluminum material
• Parallel type evaporator core design for efficient heat exchange
• Compatible with INFINITI M35h, M37, M56, Q70, Q70L, Lexus GX470, and Toyota 4Runner, FJ Cruiser

Detailed Product Description

The Four Seasons Evaporator Core 64003 belongs to the Evaporator Core product line, which focuses on delivering reliable HVAC components for vehicle air conditioning systems. This evaporator core features a parallel design that optimizes refrigerant flow and heat absorption. Its aluminum construction provides corrosion resistance and durability, essential for long-term performance. The core measures 10 inches wide by 11.25 inches high with a depth of 1.5 inches (38.1 mm), matching OEM specifications for a precise fit. Both inlet and outlet fittings use block fitting types, with the outlet fitting having a No. 10 outside diameter, ensuring compatibility with the vehicle’s existing HVAC plumbing.

Compatible Vehicles and Applications

This evaporator core is compatible with a range of INFINITI, Lexus, and Toyota models, including:

• Toyota 4Runner and FJ Cruiser
• Lexus GX470
• INFINITI M35h, M37, M56
• INFINITI Q70 and Q70L

It is designed to replace worn or damaged evaporator cores in these vehicles, restoring proper air conditioning function and cabin comfort.

Common Issues Addressed by This Evaporator Core

• Reduced cooling efficiency or warm air from A/C vents
• Leaks or corrosion in the evaporator core
• Unusual odors caused by mold or debris buildup
• HVAC system freezing or inconsistent airflow
• Excess moisture or fogging inside the vehicle cabin

Installation Notes and Tips

Installation of the Four Seasons Evaporator Core 64003 requires disassembly of the vehicle’s HVAC housing. It is recommended to have the system evacuated and recharged by a certified technician to ensure proper refrigerant levels and leak-free operation. Verify that the block fittings align correctly with the vehicle’s inlet and outlet lines. Handle the aluminum core carefully to avoid damage during installation.

Quality Assurance and Warranty

Four Seasons manufactures the Evaporator Core 64003 to meet or exceed OEM standards for fit, form, and function. The aluminum construction and precise dimensions contribute to reliable performance and durability. While specific warranty details may vary, Four Seasons typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.