Mishimoto Racing Thermostat: Keep a Cool Head When Things Get Hot
Every petrolhead knows that moment: You're pushing your car through tight corners, boost is peaking, and your engine is giving its all. But while you're focused on the racing line, your cooling system is working at its absolute limit.
Standard OEM thermostats are designed for the average driver—perfect for city traffic or casual highway cruising. However, once you increase performance or push your car on the track, the factory component becomes a bottleneck. It simply opens too late. Heat builds up in the engine block before the main cooling circuit even has a chance to intervene. The result? An overheated engine, power cuts via "limp mode," and unnecessary wear on vital components.
This is where the Mishimoto racing thermostat comes in. It is engineered to outsmart your system's thermal inertia. By utilizing a significantly lower opening temperature, it allows coolant to circulate through the radiator much earlier. This creates a thermal buffer that you desperately need during hard sprints, long climbs, or mid-summer track sessions.
This upgrade isn't just a replacement part—it's insurance for your engine. Whether for daily use in a tuned street car or uncompromising performance during track days: With Mishimoto, the needle stays exactly where it belongs. Rely on engineering that truly understands the lifestyle and high demands of the tuning community.
Key Features
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Earlier Coolant Activation
Proactively lowers operating temperatures by opening the cooling circuit sooner—ideal for high-performance engines.
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Precision-Engineered Housing
High-quality materials guarantee consistent function under extreme conditions, preventing sticking or corrosion.
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Easy Installation (Direct-Fit)
A true "bolt-on" upgrade. The thermostat fits perfectly into your vehicle's original housing without any modifications.
Upgrade to a reliable setup now and protect your engine from dangerous heat!
Technical Details
| Engine Code |
Chassis Code |
Mishimoto Activation Temp. |
OEM Activation Temp. |
| BP-4W I4--BP-Z3 I4 |
NB8C |
177 °F / 81 °C |
195 °F / 91 °C |
Fits the following vehicle:
- 1995-1995 Mazda Protege DX
- 1995-1995 Mazda Protege LX
- 1995-1995 Mazda Protege ES
- 1999-1999 Mazda Miata 10th Anniversary
- 1999-2005 Mazda Miata Base
- 2000-2005 Mazda Miata LS
- 2000-2003 Mazda Miata SE
- 2003-2003 Mazda Miata Shinsen
- 2004-2005 Mazda Miata Mazdaspeed
Product safety information
Manufacturer information:
Mishimoto Automotive
Garnet Mine Road 1515
Pennsylvania
Garnet Valley, Vereinigte Staaten, 19060
Responsible person:
TurboZentrum GmbH
Semmelweisstr. 56-64
Berlin, Deutschland, 12524
info@turbozentrum.de
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