AISIN THT-005 Engine Coolant Thermostat with Housing & Gasket — Compatible with Lexus & Toyota

Meet the AISIN THT-005 Engine Coolant Thermostat with Housing and Gasket, a thoughtfully engineered replacement built for consistent cooling system performance. Leveraging AISIN’s OE-matched technology, this thermostat is designed to deliver the correct operating temperature with reliable materials, helping you maintain smooth engine operation in select Lexus and Toyota models.

Designed for real‑world driving, the THT-005 blends precision engineering with durable construction. The thermostat housing and gasket are included, making a complete, straightforward installation possible for qualified service or DIY enthusiasts. While no replacement can guarantee results in every scenario, the design emphasizes dependable operation and long life, contributing to a resilient cooling loop and reduced risk of overheating when the engine works hardest.

Key Benefits

• OE-matched design for efficient, consistent cooling performance across supported engines
• Precise OE-specified operating temperature maintained through engineered materials
• Durable construction aimed at long life and dependable cooling system operation
• Thermostat housing and gasket included for a complete, ready-to-install kit
• Compatible with a wide range of Lexus and Toyota models; verify fitment for your specific vehicle

What’s Included & How It Helps

• Thermostat: core component that modulates coolant flow to preserve stable engine temperature
• Housing: integrated part of the assembly designed for a secure seal and reliable mounting
• Gasket: helps prevent leaks and promotes a durable, leak-free connection

Fitment Highlights

• LEXUS: 2016-20 GS F, 2008-11 GS460, 2010-22 GX460, 2008-14 IS F, 2022 IS500, 2018-22 LC500, 2007-17 LS460, 2008-16 LS600h
• LEXUS: 2008-11, 2013-21 LX570, 2015-22 RC F
• TOYOTA: 2008-11, 2013-21 Land Cruiser, 2008-22 Sequoia, 2007-21 Tundra

Note: engine fitment may vary by vehicle configuration. Use the fit checker to confirm compatibility with your specific model and year before purchase.

In short, the AISIN THT-005 offers a practical upgrade for drivers seeking a robust thermostat solution that supports steady cooling system operation. Consider it as a potential part of your maintenance plan to help maintain engine temperature stability over time.