



🌡️ Stay cool, drive hotter: The thermostat your 4Runner deserves!
The Mishimoto MMTS-4RUN40-03 is a low-temperature racing thermostat engineered for 2003+ Toyota 4Runner 4.0L V6 models. Activating at 71°C (160°F), it enables earlier coolant flow compared to the factory 82°C (180°F) thermostat, effectively reducing engine temperatures. This direct-fit replacement features a precision-machined housing for a perfect OEM seal, making it ideal for enhanced performance, towing, and warmer climates.










| Manufacturer | Teraflex |
| Brand | Mishimoto |
| Model | Mishimoto MMTS-4RUN40-03 Toyota 4Runner 4.0L Low-Temp Racing Thermostat, 2003+ |
| 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 | Engine Codes: 4.0L V6, Fits: 2003+ Toyota 4Runner 4.0L V6, Mishimoto Activation Temperature: 160°F, OEM Activation Temperature: 180°F |
| Voltage | 24 Volts |
| Item Weight | 251 g |
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