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Everpartstorecs Front Upstream Oxygen O2 Sensor For 2008-2011 Cadillac CTS 3.6L (4-Wire, Heated, M18 Thread) – Replaces 234-4819
About this item
If your 2008 to 2011 Cadillac CTS (the 3.6L V6) is running rough, guzzling gas, or has that dreaded check engine light, a faulty upstream oxygen sensor might be the issue.
This is a brand new, direct replacement O2 sensor from everpartstorecs.
It's the front sensor—position 1, upstream—and it's a heated, narrow-band unit with a 4-wire harness that's about 17.5 inches long.
It threads in with a standard M18 screw-in attachment.
The manufacturer part number is 10138701, which crosses to the common 234-4819.
It comes with a one-year warranty.
Just unplug the old one, screw this one in, and you should be back to smooth sailing.
Simple fix for a common problem.
USD$ 7.50 
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