Can someone tell me what sensor this is, i saw that mines cracked and might be causing a problem when starting. It takes a while to start when i crank it. Either way i need to replace it cuz its broke.

Can someone tell me what sensor this is, i saw that mines cracked and might be causing a problem when starting. It takes a while to start when i crank it. Either way i need to replace it cuz its broke.

Coolant temp sensor?
winnar!