1A Auto tells you everything that you want to know about part number 1EOS01019. It's an Oxygen sensor for a variety of vehicles. It has four wires, the correct length wire, the correct connector on the end, and comes with anti-seize on the threads for smooth installation.
In Episode 3 of the 1A Auto Talk & Tune show, Jeremy and Dan talk about how to properly diagnose & repair an antifreeze leak on an engine, when to do oil changes, and what features of a car are absolutely necessary.