Four Seasons 90066 HVAC Heater Core

Overview of Four Seasons Heater Core 90066

The Four Seasons Heater Core 90066 is designed specifically for Lexus GS300, GS400, GS430, and SC430 models. This aluminum heater core provides reliable heating performance and meets or exceeds OEM standards, ensuring compatibility and durability for your vehicle's HVAC system.

• Core dimensions: 10-1/2 inches length, 4-1/8 inches width, 1-1/4 inches thickness
• Constructed from durable aluminum core material
• Tube diameter: 0.625 inches (15.875 mm) for both inlet and outlet
• Non-adjustable pipe positioning for direct OEM fit
• Meets or exceeds original equipment manufacturer specifications

Four Seasons Heater Core Product Line Details

The Four Seasons Heater Core line focuses on delivering HVAC heater cores engineered for precise fit and efficient heat transfer. The 90066 part number is part of this line, featuring aluminum construction that balances durability with effective thermal conductivity. This product line is designed to maintain optimal cabin heating performance in compatible Lexus vehicles.

Product Description and Specifications

This HVAC heater core measures 10.5 inches in length, 4.125 inches in width, and 1.25 inches in depth, making it a direct replacement for the heater core in Lexus GS300, GS400, GS430, and SC430 models. The aluminum core material offers corrosion resistance and efficient heat exchange, while the 0.625-inch diameter tubes ensure proper coolant flow. The pipe positioning is fixed, matching OEM configurations for straightforward installation without modification.

Common Applications and Problem Resolution

• Restores heating function in Lexus GS and SC series vehicles
• Replaces leaking or clogged heater cores causing coolant loss
• Eliminates fogging or poor cabin heat due to heater core failure
• Addresses overheating issues related to heater core blockages
• Improves HVAC system efficiency and passenger comfort

Installation Notes and Tips

• Ensure compatibility with Lexus GS300, GS400, GS430, and SC430 before installation
• Drain coolant system prior to heater core removal to prevent spills
• Handle aluminum core carefully to avoid damage to fins and tubes
• Replace all associated seals and hoses to prevent leaks
• Bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty

The Four Seasons Heater Core 90066 meets or exceeds OEM quality standards, providing reliable performance and durability. This part is manufactured to strict specifications to ensure proper fit and function in Lexus GS and SC models. Warranty coverage details should be confirmed with the distributor or manufacturer.