



🌟 Stay cool, drive cooler — unleash your Lexus’s true potential!
The Mishimoto MMTS-LEX-06 Racing Thermostat and Housing is a direct-fit upgrade for Lexus IS250 models (2006-2015) that opens 25.2°F (14°C) earlier than stock, enabling faster coolant flow and enhanced engine cooling. Built with OEM-quality metal housing and backed by a lifetime warranty, it’s engineered for both street and track enthusiasts seeking reliable, high-performance temperature control.










| Brand | Mishimoto |
| Model Name | Mishimoto MMTS-LEX-06 Racing Thermostat and Housing, Compatible With Lexus IS250 2006-2015 |
| Controller Type | Mechanical knob |
| Special Feature | Mishimoto Activation Temp: 154.4°F/68°C, OEM Activation Temp: 179.6°F/82°C |
| Specific Uses For Product | Automotive - Street and Track Driving |
| Temperature Control Type | Automatic |
| Included Components | Mishimoto Lifetime Warranty, Mishimoto Racing Thermostat (1), Thermostat Housing (1) |
| Material | Metal |
| Shape | Rectangular |
| Display Type | analog |
| Finish Type | Matte |
| Control Type | Automatic |
| Control Method | Touch |
| Backlight | No |
| UPC | 840197700440 |
| Global Trade Identification Number | 00840197700440 |
| Manufacturer | Mishimoto |
| Item Weight | 8.8 ounces |
| Product Dimensions | 3 x 3 x 3 inches |
| Item model number | MMTS-LEX-06 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | MMTS-LEX-06 |
| OEM Part Number | 16031-31020, 1603131020 |
| Special Features | Mishimoto Activation Temp: 154.4°F/68°C, OEM Activation Temp: 179.6°F/82°C |
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