Pistelle/Intrubuster o-rings explained! (It’s not all about the size!)

#1 Size. #2 Strength. #3 Temperature. O-ring failure will happen if you do not consider these factors when replacing!!! Also do you know the operating temperature of the grease you’re using, you should and here’s why! Below are Amazon affiliate links. I’m paid a small commission but it doesn’t cost you anymore! Amazon 011 replacement O-ring: https://amzn.to/4eYxk48 Amazon 021 replacement O-ring https://amzn.to/3CIbZ1a Amazon Molykote low temp 33 silicone: https://amzn.to/3Z5Pzi5