🌡️ Stay cool under pressure with Mishimoto’s racing-grade thermostat!
The Mishimoto MMTS-4RUN40-03 is a direct-fit racing thermostat designed for 2003+ Toyota 4Runner 4.0L engines. Featuring a lower activation temperature of 71°C (160°F) compared to the factory 82°C (180°F), it ensures earlier coolant flow to reduce engine heat, ideal for hot climates, towing, and modified vehicles. It comes pre-installed in a stock-style housing for easy installation and is backed by a lifetime warranty.
| Manufacturer | Mishimoto |
| Brand | Mishimoto |
| Model | MMTS-4RUN40-03 |
| Product Dimensions | 12.7 x 7.62 x 10.16 cm; 251 g |
| Item model number | MMTS-4RUN40-03 |
| Exterior | Machined |
| Manufacturer part number | MMTS-4RUN40-03 |
| OEM Part Number | 160310P010 |
| Mirror adjustment | Button Control |
| Special Features | Part Type ID: 2200, Engine Codes: 4.0L V6, OEM Activation Temperature: 82°C, Mishimoto Activation Temperature: 71°C, Interchange Part Number: 160310P010 |
| Voltage | 24 Volts |
| Item Weight | 251 g |
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