Follow the top radiator hose to the engine block. It will feed onto a housing on top of the block under the inlet manifold. The thermostat is under that housing.
To replace it I think the inlet manifold needs to be removed. Which means removing the fuel rail too.
Answers & Comments
Follow the top radiator hose to the engine block.
It will feed onto a housing on top of the block under the inlet manifold.
The thermostat is under that housing.
To replace it I think the inlet manifold needs to be removed.
Which means removing the fuel rail too.
That looks like a compatibility issue
check the user manual if u have it or get one from https://www.reliable-store.com/