Hego sensor key what size?

[Bobby4Puma]

Hello guys i need to change my o2 sensor and i want to buy a proper key but im.kinda confused on the size of the key...cheers .... Is it 22mm?

 

[Bobby4Puma]

I see there is 22 and 1/2 , 22 and 3/8 ...

 

[sickofguessing]

Try and get an actual sensor socket with the gap for the wire or you may damage it.

 

[Bobby4Puma]

Yup thats the one im.getting but i wanted to make sure its the right size

 

[Bobby4Puma]

I got a 22 3/8 socket for the hego sensor and it worked perfect