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4pcs downstream 02 - downstream, oxygen
$71.75
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234 4587 denso - denso, up&downstream
$40.85
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234 9017 denso - upstream, o2
$83.00
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Oem for subaru forester - oem,
$98.19
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Oxygen sensor upstream - 02,
$39.99
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New 2pcs downstream - 2pcs, up&downstream
$28.44
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Downstream sensor oxygen o2 - downstream,
$20.59
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2pcs oxygen sensor for - o2,
$30.99
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2pcs upstream downstream 02 - downstream,
$19.30
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Set new oxygen - 4,
$52.88
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Upstream downstream oxygen - upstream,
$75.99
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New 2pcs upstream downstream - new,
$43.98
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2pcs downstream oxygen - 2pcs, up/downstream
$19.87
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Denso downstream 234 - downstream, for
$50.00
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Oem 2pcs downstream - up&downstream, oxygen
$62.59
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Denso downstream 234 - 234-4445, for
$50.00
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2pcs upstream downstream - upstream,
$23.84
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For kia soul rio oxygen - rio, o2
$37.99
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Oxygen sensor for - o2,
$37.99
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2pcs downstream oxygen - 02,
$46.99
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4pcs oxygen sensor for - o2,
$48.56
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Oxygen o2 sensor - o2,
$29.85
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Denso 234 4261 downstream - denso,
$36.63
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Oem upstream downstream - 4x,
$59.89
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Oem 2pcs upstream oxygen - oem,
$39.85
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Denso 234 4149 downstream - denso,
$33.88
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For 2010 2014 chevrolet - 2010-2014,
$19.36
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Upstream downstream o2 02 - &,
$28.04
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234 9006 upstream oxygen - 234-9006,
$59.90
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234 9006 oxygen sensor - oxygen, o2
$128.80
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4pcs oxygen sensor - oxygen, o2
$48.44
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2pcs upstream downstream o2 - 02,
$51.49
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Oem downstream o2 - downstream,
$31.19
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2pcs oxygen sensor o2 - sensor, 02
$45.12
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Denso 234 4011 front - 234-4011,
$40.30
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Oxygen sensor for 2002 2004 - o2,
$22.96
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2pcs oxygen sensor - 02,
$35.28
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Set new oxygen o2 sensor - 4,
$48.98
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Set oxygen sensors for - of, 4
$57.17
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Denso downstream oxygen - 2x,
$114.90
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For 2003 2007 honda - 2003-2007,
$18.99
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Oem 2pcs downstream oxygen - oem,
$28.39
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Engine exhaust oxygen - exhaust,
$59.95
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New oxygen sensor - new, o2
$25.50
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Upstream downstream - 2x,
$21.15
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New upstream oxygen 02 - 2x,
$54.14
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Upstream downstream o2 - downstream,
$32.11
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2pcs oxygen sensor - 02,
$20.59
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2pcs upstream downstream - 2pcs,
$26.99
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Oem upstream downstream - upstream, o2
$70.99
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2pcs downstream oxygen - 02,
$45.36
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Downstream oxygen sensor - o2,
$58.25
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Oxygen sensor bank - oxygen, 1
$29.77
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2pcs for honda accord - 2pcs,
$24.47
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Genuine oem 2pcs upstream - genuine, &
$56.64
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For 2008 2012 - for, 2008-2012
$28.49
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4pcs for 2003 2004 - 4pcs,
$41.35
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Oxygen sensor front - front, &
$49.53
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Oem 2pcs downstream oxygen - oem, up&downstream
$62.59
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Upstream oxygen sensor 02 - oxygen,
$21.54
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2pcs upstream downstream - 2pcs,
$27.99
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2pcs downstream oxygen - 2pcs, o2
$35.14
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New oxygen sensor - 4*o2, for
$63.04
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Downstream oxygen sensor - oxygen,
$22.48
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Fit honda 2 4l 2pcs - honda, 2.4l
$35.09
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2pcs downstream oxygen - 2pcs,
$29.81
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Oem 2pcs upstream downstream - +,
$46.69
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Oxygen sensor for honda - oxygen,
$50.47
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2xoxygen sensor up down - 2xoxygen, o2
$25.57
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Genuine oem 2pcs upstream - genuine,
$40.79
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Downstream sensor oxygen - up&downstream,
$31.74
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Denso 234 4797 rear - 234-4797,
$59.44
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Oem upstream downstream - upstream,
$21.10
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Brand oem downstream oxygen - brand,
$13.75
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4pcs oxygen sensor for - 4pcs,
$38.48
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Downstream denso oxygen - downstream,
$37.79
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2pcs oem upstream downstream - oem,
$62.95
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For mazda 2001 2003 - for, 2001-2003
$30.63
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For 2013 2014 2015 - ✅2x,
$31.34
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Up downstream oxygen - ✅,
$32.11
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Upstream downstream for - upstream+downstream,
$25.64
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New oxygen sensor - new,
$27.88
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Downstream oxygen o2 - 2x,
$48.98
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Oxygen sensor for - o2,
$37.99
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Oem 2pcs front rear oxygen - 2pcs, o2
$29.54
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2pack oxygen sensor 02 - oxygen,
$19.26
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Upstream oxygen sensor fit - upstream,
$21.56
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Oxygen sensor for - 02,
$40.75
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For 2010 2014 chevrolet - for,
$18.85
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For 2013 2014 2015 - , chevrolet
$29.44
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New oem oxygen - new, 02
$67.26
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2pcs upstream downstream - 2pcs, &
$18.04
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Downstream for 2010 2014 - for, 2010-2014
$22.68
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2pcs upstream oxygen - 02,
$35.04
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Oxygen sensor for - o2, honda
$58.99
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234 9006 oxygen - 234-9006, o2
$72.88
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Looking for more 02 sensor?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 02 sensor listings currently in our index. Prices range from $13.75 to $128.8, with an average of $41.71. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 02 sensor →
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Whether you are looking for a brand-new or second-hand 02 sensor, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $13.75, while premium listings can reach $128.8 — giving you a wide budget spread to work with. The average price of $41.71 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.