I was surprised to see these drain plug gaskets labeled OEM Toyota Parts. It was a pleasant surprise and gave me confidence. I'm in my 60's and have always changed the oil myself except for a few times. I want to make sure everything is done right, the right oil and amount of oil, the screw is screwed in correctly, the right oil filter, etc. Honestly, a lot can go wrong and that's one of the few times I've trusted a shop . removed the oil pan. I believe they used a pneumatic wrench to tighten…