Review on 🔥 Denso 234-9041 Air Fuel Ratio Sensor: Enhanced Engine Efficiency and Performance by Corey Evans

This sensor worked great on my 2006 Toyota Avalon 3.5L V6. I replaced B1S1 which is on the back next to the firewall. I ended up having to remove the air filter to get to the engine and remove the clip. The only thing was that this wire was longer than the original, but that wasn't a problem. This is the same sensor for the B2S1, located at the very front, that you see when you open the hood. It should also be noted that there is also a small tube of anti-seize for the threads, so you don't have to buy it.