I was about to replace a '93 945's (Regina) Catalytic Converter and O2 sensor. I ordered the parts (Bosal 099-942 & Ntk 25002). I receive the parts. I remove the old components. Upon closer inspection of the new catalytic converter, I notice that the catalytic converter O2 sensor bung is too long for the Regina O2 sensor type. The old O2 sensor and the new one are the same size, length, and type. The new catalytic converter's bung is almost twice as long as the old catalytic converter's bung is. I need some help, some advice, and a few questions answered.

(1a:) Should I just take the catalytic converter to an auto machinist shop and have them trim the bung? (1b:) Is this possible?

2: Is the length of the bung not really an issue?

3: What is the best course of action for this unexpected issue?


Any insight, answers, or help provided is appreciated. Thank you.