90-00 Mazda Miata 192 Degree Thermostat - Gates 34805

Maintain optimal engine temperatures and performance with the Gates 34805 Thermostat, specifically calibrated to open at 192°F (89°C)—the factory specification for 1990–2000 Mazda MX-5 Miata 1.6L models. Designed to OEM standards, this thermostat ensures precise regulation of coolant flow, helping your Miata warm up quickly and avoid overheating—even under aggressive track conditions.

Featuring a corrosion-resistant brass housing and a reliable wax-element, the gate 34805 delivers consistent openings/closings and longevity, even after years of use. Its compatibility spans most NA-era Miata models—including Base, SE, LE, M-Edition, LS, STO, and 10th Anniversary editions—making it a go-to choice for routine coolant system maintenance or performance builds.

Whether you're restoring a classic Miata, upgrading for summer road trips, or tuning for autocross and track-day abuse, the Gates 34805 ensures stable engine temps, avoids prolonged warm-up periods, and helps preserve vital components such as the head gasket, bearings, and coolant pathways. The thermostat is an inexpensive, high-impact upgrade that offers peace of mind and robust performance across seasons and conditions.

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