I need the upstream O2 sensor for my 4runner. I can't find the right one. Toyota says it is discontinued. It is a 99 V6 4wd With California emissions. The problem is it is a 5 speed. The wire pigtail is 24 inches long. None of the aftermarket sensors have the long pigtail. Has anyone else had this problem? Any suggestions? Thanks, Jim
Oxygen Sensor Discontinued
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prybar
Member
yup, discontinued by Toyota, but Denso still makes them.
You can call denso and tell them the part you're looking for, and order it straight from them (closest to OEM quality)
Or you can just go to your local auto parts store and ask for the upstream O2 sensor, and they'll have a denso one for you, but i've heard the quality isn't as good as the OEM denso ones. FWIW, this is the route I went.
phattyduck
Elite Member
DENSO 2349003 along with NTK 24670 are listed on RockAuto as the upstream CA emissions MT AFR sensor. Worth a check.
-Charlie
-Charlie
brillo_76
Elite Member
I pulled my replacements from Denso Rock Auto.. Granted Federal Emissions instead of CA.. Zero issues for many years now.
TheDurk
Elite Member
That's the number. Mine is a '99 5-speed V6 Cali. I got mine on Amazon in 2016 for $92. I am a little shocked to see it is now $169.
Amazon.com
