02 sensor

[turbobuick1035]

I have a spare 02 sensor that's a delco afs-20...will that work or do I need the afs-21?

 

[Ttype6]

I have a spare 02 sensor that's a delco afs-20...will that work or do I need the afs-21?

It'll work. The 21 has more shielding to protect against water splashing on it.

 

[turbobuick1035]

It'll work. The 21 has more shielding to protect against water splashing on it.

Thank you sir