Catalytic converter grade?

Originally Posted by scrapping4ever

I cut the converter off the 1996 mazda 626 and I'm wondering how to tell if it is aftermarket.

When you sell it to the scrap yard and walk away from the counter with only $4 in your hand, you'll know it was an aftermarket converter.



I was also told by my yard, that if there is one or more arrows stamped in the housing, then they consider it aftermarket.