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I am going to change all of the O2 sensors while I am in the truck changing the headers what is a good brand to replace them with. I see a lot of Bosch ones out there does anybody have any suggestions.
bosch is what i used on my truck and haven't had a problem with them, going on 45K miles since i changed them.
with that said the general opinion on here from what i have seen is bosch is junk when it comes to O2 sensor and that motorcraft is a very good quality sensor. maybe i just had the luck in getting my sensors when they were having good quality control day whiles others haven't. dont know but that is what is said on here about the bosch sensors.
I see this Bosch is junk and OEM is the only way to go and I just laugh. Take out your stock O2 sensors and they will be Bosch, as far as I know they are the only brand you can even get.
Bosch works great on my truck. However Id stay away from the universals - they are not necessarily the same as the replacement ones. Its not just a plug (or lack of) difference - the unversals may have different heater elements etc. I swore off universals after a month full of troubles. Went back to OE and my CELs cleared right up.