Genuine OEM Mazda Engine Coolant Thermostat 8553-15-171 For RX-7 1979 1980 1983 1985

If your classic RX-7 is running hot or taking forever to warm up, a stuck thermostat might be the issue.

This is the genuine OEM Mazda thermostat, part number 8553-15-171.

It's designed specifically for the RX-7 in model years 1979, 1980, 1983, and 1985.

It's a direct replacement, built to original equipment specifications.

No guessing if it's the right temperature rating—it's exactly what Mazda intended.

It's brand new and comes with a 1-year warranty.

Swapping a thermostat is basic maintenance that can save your engine from overheating.

Keep your rotary running cool and happy with this genuine Mazda part.

It's a small part that plays a big role in engine health.

Get it installed and drive with confidence.