Originally Posted by shakazulu

Just throwing this out there. I was getting all the codes and figured at 186k or wherever I'm at, I should probably replace all the sensors. Took one look at the upstream ones and realized there was no way I was getting my hands up there. Posting on here, found out I would likely have to take the exhaust system off. Instead, I spent 20 bucks on some O2 sensor spacers on the downstream sensors and codes went away. Been fine for several thousand miles and passed smog with no issues.

Originally Posted by Lexus4321

I mean, what part does Denso say is for your year?

I did read somewhere that the diff between many of their part numbers was just cable length.