Block Heater Socket
 

I'm an idiot... I know I've read this at least a few times, but I just can't find it tonight... I want to pick up a block heater when I go to the junkyard, anyone know what size socket I need to remove it? I know I'm going to need a breaker bar and like 10ft of pipe... The manifolds are alread off on the car I'm gonna get it from, so that should make things easier.

46mm last I checked.

It's almost cheaper to buy new so you can get the cord.