Does anyone know any New Testament verses that bible protestants don’t follow?
Can I turn your question on its head a little bit and seek the same answers with a less threatening tone to our separated brothers and sisters please? Perhaps we as Catholics need to be searching for ways that we can demonstrate and better teach the verses that those outside the Church may interpret differently? And the point is very well taken that there will be no blanket answer of verses that will apply to all protestant denominations…our brethren in the fundamentalist and evangelical realms will typically have a different set of verses that they will use as ‘proof points’ to uphold what they personally interpret the scriptures to say, where a protestant from a Lutheran background might have an interpretation that is ‘closer to Home’ for us Catholics to hear.
The biggies have already been thrown out there - All of John 6. Most of the last few chapters of Matthew. A large chunk of the book of Revelation. It has been my (limited) experience that we could serve our faith and our Church well by focusing on teaching on our end in more effective ways, avoiding hypocrisy; which some have started to touch on in this thread already - we need to keep humble hearts when showing others to the fullness of the faith - and, as Catholics we need to remember that we have nothing to fear from any of scripture. But I will admit that when I first started in apologetics, I was terrified if someone threw a verse back at me; one verse, pulled from the context and pulled from scripture as a whole, CAN SEEM to ‘prove’ Catholic teaching to be incorrect. But I have NOT EVER found a verse in all of scripture that holds up to prove the Church wrong when it gets studied and placed in context.
This does NOT mean that if we could just sit in a protestant Bible study and teach them, that any hearts will be swayed…nobody likes to even entertain the idea that they could be wrong and the Church could be right; even me! There is A LOT of pride to be swallowed even for a Catholic to fully submit to all that the Church teaches…which is why the people that do so are often referred to as Saints!

I could tell you plenty of stories where I have been discussing a series of verses with a prominent evangelical minister, where I clearly “won” the discussion through proof points within scripture, and there was even an admission that the Church was correct and he had been teaching it wrongly (in private), only to encounter that same man just days later continuing to teach his congregation in a manner he knew (now) to be false! Even when we ‘win’ we must remember this:
Only the Holy Spirit can change a heart - we can lead that heart to the Truth, but we can not force it to change.
Long explanation to say this: Keep the Faith brother! I am praying with you and for you! I love your zest to share what you and I know about the Catholic faith and our home in her Church - and you are not alone on this journey!
Teaching others about Christ isn’t easy - 10 of the original 11 were martyred in very brutal fashion in exchange for going out into the world and speaking the Truth! We can honor them and therefore honor Jesus Christ by continuing to teach to others with hope, compassion, faith, understanding and love.
God Bless