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I'm going to change the 2 "upstream" o2 sensors on my truck during my next oil change. I'm having trouble finding out what the correct part number is for the "direct replacement" Bosch sensors - 2 auto parts stores have different numbers, and I can't seem to find it on the Bosch web site. Also, does anyone have a recommendation for another brand that may be better? As always, thanks for the help!
I've had good luck w/ Advance/Parts America as khadma has suggested in his instructions.
If you go to a Checker, Schucks, Kragen or Murphy's you can print up the page that the part is on, and you will get the internet price. Which is about 10% less than the retail price.