what part is this?

[awpologist]

so earlier today i had a piece of my cooling system bust and coolant went all over the engine. wellnow im tearing into it and found the problem. now i need to know what part is this and how much do they cost on average. so if anyone has any info that would be much appreciated! thanks

 

[swshawaii]

Heater Control Valve

 

[awpologist]

thank you very much. i didn't even know where to start this helps alot!