Four Seasons 64190 A/C Evaporator Core - Front

Four Seasons 64190 Evaporator Core

Four Seasons 64190 is an A/C evaporator core built for HVAC service on select Toyota 4Runner and Lexus GX460 applications. It uses a parallel-core design with male inlet and female outlet fittings, plus included O-rings for a cleaner replacement process.

Key Features

• Brand: Four Seasons Evaporator Core line
• Part number: 64190
• Parallel evaporator core construction
• Male inlet fitting and female outlet fitting
• O-rings included
• Core dimensions: 10 in. wide, 10-13/16 in. high, 1-1/2 in. deep

Product Details

The Four Seasons evaporator core line is backed by more than 50 years of mobile A/C experience and is engineered and tested for dependable operation. This evaporator core is sized for direct HVAC service and is listed for 2010-2024 Toyota 4Runner evaporator core replacement and 2021-2023 Lexus GX460 front evaporator core service without dual zone climate control. If you are replacing a leaking or restricted evaporator core, Four Seasons 64190 provides the fitment and connection style needed for a proper repair. This part cross-references 289247 for the same application.

Vehicle Fitment

• Fits 2010-2024 Toyota 4Runner, N/A
• Fits 2021-2023 Lexus GX460, Front, w/o Dual Zone Climate Control; Evaporator Core

Common Repair Symptoms

• Weak or inconsistent cabin cooling
• Refrigerant odor from the HVAC system
• Visible refrigerant leakage at the evaporator housing
• Restricted airflow caused by internal HVAC contamination
• Need for an evaporator core replacement during A/C system repair

Installation Notes

Verify the vehicle’s HVAC configuration before installation, especially on Lexus GX460 models without dual zone climate control. Confirm inlet and outlet fitting orientation, replace sealing O-rings during service, and inspect the system for contamination or leaks before reassembly. Proper evacuation and recharge procedures are required after evaporator replacement.

Quality Assurance

Four Seasons engineers and tests its mobile A/C components to support long-term service life. The brand positions this evaporator core line as a repair-focused solution for technicians and owners who want a direct-fit HVAC replacement.