Mishimoto · New
Mishimoto 99-05 Mazda Miata NB 177 Degree Racing Thermostat
MPN MMTS-MIA-99 · Store SKU misMMTS-MIA-99
Supplier stock checked 11/7/2026, 10:14:21 AM UTC. Adding a part does not reserve it.
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Product details
The Mishimoto racing thermostat for the 99-05 Mazda Miata NB will promote greater cooling efficiency in your stock or modified Miata. Once the engine is fully warmed up, Mishimoto's Miata NB racing thermostat will open at a lower temperature than standard thermostats. This allows coolant to flow through the engine sooner, which reduces and maintains cooler engine temperatures. The Mishimoto 99-05 Miata NB racing thermostat is the perfect addition to your street or track Miata and is a direct replacement for the stock thermostat. This thermostat includes the signature Mishimoto Lifetime Warranty. Engine coolant thermostat designed to regulate coolant flow and maintain optimal operating temperature. Ensures efficient warm-up, prevents overheating, and supports reliable performance with a precise fit. Racing Thermostat, Low-Temp, fits Mazda Miata 1999-2005 Mazda Miata Racing Thermostat, 1999-2005
Manufacturer fitment & guides
- 1999-2003 Mazda Miata Base 1.8 Liter 03-72LE, 2000-2003 Mazda Miata LS 1.8 Liter 03-72LE
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y
