Genuine OEM Chevy Silverado Thermostat 89018168 – 186°F For 4.3L 5.3L 6.0L 6.2L 6.6L (07-23) With Gasket

If your Silverado's temperature is all over the place or it's taking forever to warm up, the thermostat might be toast.

This is the real deal—a genuine GM thermostat with part number 89018168.

It opens at 186°F, which is exactly what you need for proper engine temp.

Fits a ton of Chevy Silverado models from 2007 to 2023 with the 4.3L, 5.3L, 6.0L, 6.2L, or 6.6L engines.

Comes with the gasket included, so you've got everything for a quick swap.

Made in Japan, so quality is on point.

OEM all the way—no guessing games.