Four Seasons 90036 HVAC Heater Core

Reliable Heater Core Replacement for Lexus LS400

The Four Seasons Heater Core 90036 is designed specifically for the Lexus LS400, providing a precise fit and dependable heating performance. Crafted from aluminum, this heater core ensures efficient heat transfer and durability for your vehicle's HVAC system.

• Exact fit for Lexus LS400 models
• Constructed with durable aluminum core material
• Core dimensions: 10 inches length, 5-7/8 inches width, 1 inch thickness
• Tube diameter: 0.625 inches (16.256 mm) for both inlet and outlet
• Meets or exceeds OEM specifications for quality and performance
• Non-adjustable pipe positioning for straightforward installation

About the Four Seasons Heater Core Product Line

The Four Seasons Heater Core line focuses on delivering vehicle-specific HVAC components engineered to meet or exceed original equipment manufacturer standards. The 90036 heater core is part of this line, offering a reliable aluminum construction that supports efficient heating and long service life in the Lexus LS400.

Product Details and Specifications

This HVAC heater core features a core height of 10 inches, width of 5.875 inches, and a depth of 1 inch, providing a compact yet effective heating element. The aluminum core material enhances heat conduction while resisting corrosion. Both inlet and outlet tubes measure 0.625 inches in diameter, ensuring compatibility with the LS400’s existing HVAC plumbing. The heater core is designed with a specific fit, eliminating the need for adjustable pipe positioning and simplifying replacement.

Common Issues Addressed by This Heater Core

• Insufficient cabin heat due to clogged or leaking heater core
• Coolant leaks inside the vehicle’s HVAC system
• Fogging or moisture buildup on interior windows
• Overheating caused by inefficient heat exchange
• Unpleasant odors from a damaged or corroded heater core

Installation Notes and Tips

When replacing the heater core in a Lexus LS400, ensure the cooling system is properly drained before removal. The Four Seasons 90036 heater core is designed for a direct fit, so no modifications to pipe positioning are necessary. Take care to avoid damaging the aluminum core during installation and verify all hose connections are secure to prevent leaks.

Quality Assurance and Warranty

The Four Seasons Heater Core 90036 meets or exceeds OEM standards, providing reliable performance and durability. This part is manufactured to strict quality controls to ensure compatibility and longevity in the Lexus LS400. Please refer to Four Seasons’ warranty policy for specific coverage details.