Bruce Nunnally Posted September 6, 2005 Report Share Posted September 6, 2005 Was looking for something else when I ran across this Popular Mechanics update on Oxygen Sensors: http://popularhotrodding.com/tech/0407phr_bosch/ Planar sensor technology has more than a toe-hold in the new car market; in the six years since its introduction, Planar sensors account for 53 percent of the O2 sensors in new cars. And it gets better. Bosch has figured out how to use its Planar manufacturing technology to build "wide-band" sensors, which enables some really clean-burning engines to make some really obnoxious power numbers. For instance, you'll find wide-band Bosch Planar sensors in all Cadillac CTS models, including the LS6-powered CTS-v. Bruce 2016 Cadillac ATS-V gray/black Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
crich8136 Posted September 6, 2005 Report Share Posted September 6, 2005 Bruce: I am looking to change O2 sensors in my 98 DeVille. GMPartsDirect says I need GM part #25312203 (GM List $125.29, Parts Direct $62.65). Two Olds dealers say it is part #25312211 (GM List $93.00, Parts Direct $46.61). These are the manifold sensors. How do I know which one to get? Also, I checked the article you cite and was led to OxygenSensors.com who offer Walker brand and another brand. Bosch was not offered for my Caddy. Is it ok to use something other than OEM? Thanks for any input you can give me. Claude Richards Link to comment Share on other sites More sharing options...
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