Calorstat TH7147.82J Engine Coolant Thermostat

Engine Coolant Thermostat for Lexus Applications

The Calorstat TH7147.82J engine coolant thermostat is a plastic housing thermostat with a rubber gasket seal included. It opens at 180.0 degrees and is built for direct replacement service in Lexus cooling systems that require this OE-style configuration.

Use this thermostat when servicing a Lexus GS300, GS350, GS450h, IS250, IS300, IS350, RC300, or RC350 with the matching application. The TH7147.82J part number is also a useful reference when cross-checking cooling system service parts for the same vehicle coverage.

Key Features

• Engine coolant thermostat with plastic housing construction
• Black housing finish
• Start-to-open temperature: 180.0 degrees
• Gasket or seal included
• Seal type: gasket
• Seal material: rubber
• Height between flanges: 1.69
• Calorstat TH7147.82J replacement part

Detailed Description

Calorstat TH7147.82J is a plastic housing engine coolant thermostat designed for Lexus cooling system service where the thermostat and housing are serviced together. The included gasket seal and rubber seal material support a proper sealing interface during replacement, while the 180.0-degree opening temperature matches the specified thermal control point for the application. This part number, TH7147.82J, is listed across multiple Lexus fitments and is also referenced by several aftermarket cross numbers for the same application.

This part cross-references Continental 49408 and Gates 34711 for the same application.

Vehicle Fitment

• Fits 2013-2018 Lexus GS450h, N/A. Vernet is an OE Supplier to Lexus.
• Fits 2007-2011 Lexus GS450h, N/A. Vernet is an OE Supplier to Lexus.
• Fits 2016-2018 Lexus IS300, N/A. Vernet is an OE Supplier to Lexus.
• Fits 2006-2018 Lexus IS350, N/A. Vernet is an OE Supplier to Lexus.
• Fits 2016-2018 Lexus RC300, N/A. Vernet is an OE Supplier to Lexus.
• Fits 2015-2018 Lexus RC350, N/A. Vernet is an OE Supplier to Lexus.
• Fits 2013-2015 Lexus GS350, N/A. Vernet is an OE Supplier to Lexus.
• Fits 2007-2011 Lexus GS350, N/A. Vernet is an OE Supplier to Lexus.
• Fits 2006-2015 Lexus IS250, N/A. Vernet is an OE Supplier to Lexus.
• Fits 2006 Lexus GS300, N/A. Vernet is an OE Supplier to Lexus.

Installation Notes and Tips

Confirm the thermostat housing style, seal condition, and temperature rating before installation. Clean the mating surfaces thoroughly, inspect the cooling system for contamination or coolant residue, and verify the replacement part number TH7147.82J against the original unit before reassembly.

Quality Assurance

Calorstat is listed with OE supplier context for Lexus applications in the fitment data, which supports application-specific replacement selection for the vehicles shown above.