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Porsche 911 Oxygen Sensor
128 itemsShop best-selling oxygen sensors for Ford, Chevy, Honda, Nissan, Toyota, and more. Direct-fit O2 sensors with fast response, improved MPG, and reliable emissions performance.
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BoschPart # 15738
Bosch 15738 Oxygen Sensor
46 Reviews
$75.99
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3-year warranty
90 days free return
Fits 1994-1994 Audi 100, 1994-1994 Audi 100 Quattro, 1994-1998 Audi Cabriolet, 1995-1995 Audi A6, 1996-1996 Audi A4 Quattro, 1996-1997 Audi A4, 1996-1997 Audi A6, 1996-1997 Audi A6 Quattro, 1997-1998 Audi A4, 1997-1999 Audi A4, 1997-1999 Audi A4 Quattro, 1997-1999 Audi A8, 1997-1999 Audi A8 Quattro, 1997-2000 Audi A4 Quattro, 1998-1998 Audi A4 Quattro, 1998-1998 Audi A6 Quattro, 1998-1999 Audi A6, 1999-1999 Audi A4, 1999-1999 Audi A6 Quattro, 1995-1997 BMW 750iL
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Vehicle: Porsche 911
QuantityOne Set
Item LocatedUnited States
Part interchange
15738
item #1002DU4S
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DensoPart # 234-3000
Oxygen Sensor - Denso 234-3000
4.29 Reviews
$53.99
Quantity Less than 3
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3-year warranty
90 days free return
Fits 1983-1986 Alfa Romeo GTV-6, 1986-1994 Alfa Romeo Spider, 1987-1989 Alfa Romeo Milano, 1991-1993 Alfa Romeo 164, 1992-1992 Asuna Sunrunner, 1993-1993 Asuna Sunrunner, 1986-1987 Audi 5000, 1986-1988 Audi 5000 Quattro, 1987-1987 Audi 5000, 1987-1987 Audi Coupe, 1988-1988 Audi 5000, 1988-1991 Audi 90, 1988-1992 Audi 80, 1988-1992 Audi 80 Quattro, 1988-1992 Audi 90 Quattro, 1989-1991 Audi 100 Quattro, 1989-1991 Audi 200, 1989-1991 Audi 200 Quattro, 1989-1992 Audi 100, 1990-1991 Audi Coupe Quattro
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Vehicle: Porsche 911
Quantity1
Item LocatedUnited States
Part interchange
234-3000, 213-1241, 213-1242, OS516, OS521, 13589, 13936, 13508,
...View moreitem #1002HP48
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DensoPart # 234-4184
Oxygen Sensor - Denso 234-4184
4.29 Reviews
$93.99
Quantity Less than 3
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3-year warranty
90 days free return
Fits 1995-1995 Porsche 911, 1996-1996 Porsche 911, 1996-1997 Porsche 911, 1996-1997 Porsche 911, 1996-1997 Porsche 911, 1996-1997 Porsche 911, 1998-1999 Porsche 911, 1996-1997 Saab 900, 1996-1997 Saab 900, 1998-1998 Saab 900, 1999-1999 Saab 9-3, 1999-1999 Saab 9-5, 1999-1999 Saab 9-5, 1999-1999 Saab 9-5
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Vehicle: Porsche 911
Quantity1
Item LocatedUnited States
Part interchange
234-4184, 25581, 4262359, 4660502, 4662359, OS1825, OS816, 213-1416,
...View moreitem #1004YZPU
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DensoPart # 234-4182
Oxygen Sensor - Denso 234-4182
4.29 Reviews
$94.99
Only 1 item left in stock
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3-year warranty
90 days free return
Fits 1996-1997 Porsche 911, 1999-2000 Porsche 911, 2001-2001 Porsche 911, 1996-1997 Saab 900, 1996-1997 Saab 9000, 1996-1997 Saab 9000, 1996-1998 Saab 9000, 1993-1993 Volvo 850, 1994-1995 Volvo 850
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Vehicle: Porsche 911
Quantity1
Item LocatedUnited States
Part interchange
234-4182, 25581, 25555, 25633, 30561510, 4301545, 9147224, 32000423,
...View moreitem #1004YXPK
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Spectra PremiumPart # OS5304
Spectra Premium OS5304 Oxygen Sensor
4.45 Reviews
$33.99
Only 1 item left in stock
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3-year warranty
90 days free return
Fits 2011-2015 Chevrolet Cruze, 2012-2018 Chevrolet Sonic, 2016-2016 Chevrolet Cruze Limited, 2001-2001 Porsche 911, 2002-2003 Porsche 911, 2002-2003 Porsche 911, 2004-2005 Porsche 911, 2004-2005 Porsche 911, 2005-2005 Porsche 911, 2011-2011 Saab 9-5
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Vehicle: Porsche 911
Quantity1
Item LocatedUnited States
Part interchange
OS5304, 752736, 752761, 752762, SG771, SG1098, SG771T, SG1098T,
...View moreitem #1000YP6R
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BoschPart # 13564
Bosch 13564 Oxygen Sensor, Upstream
46 Reviews
$118.99
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3-year warranty
90 days free return
Fits 1996-1997 Porsche 911, 1999-1999 Porsche 911, 2000-2001 Porsche 911, 2000-2001 Porsche 911
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Vehicle: Porsche 911
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
13564, 99360612801
item #1002D1R3
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BoschPart # 15735
Bosch 15735 Oxygen Sensor
46 Reviews
$64.99
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3-year warranty
90 days free return
Fits 1983-1986 Alfa Romeo GTV-6, 1986-1994 Alfa Romeo Spider, 1987-1987 Alfa Romeo Milano, 1988-1989 Alfa Romeo Milano, 1991-1992 Alfa Romeo 164, 1985-1986 Audi 4000, 1986-1988 Audi 5000 Quattro, 1987-1987 Audi 4000, 1987-1987 Audi 5000, 1987-1987 Audi 5000, 1987-1987 Audi Coupe, 1988-1988 Audi 5000, 1988-1991 Audi 90, 1988-1992 Audi 80, 1988-1992 Audi 80 Quattro, 1988-1992 Audi 90 Quattro, 1989-1991 Audi 200, 1989-1991 Audi 200 Quattro, 1989-1992 Audi 100 Quattro, 1989-1993 Audi 100
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Vehicle: Porsche 911
QuantityOne Set
Item LocatedUnited States
Part interchange
15735, 94460613500
item #1002DVCT
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DensoPart # 234-4878
Oxygen Sensor - Denso 234-4878
4.29 Reviews
$113.99
Quantity Less than 2
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3-year warranty
90 days free return
Fits 2001-2001 Porsche 911, 2002-2005 Porsche 911, 2002-2005 Porsche 911, 2005-2005 Porsche 911, 2008-2010 Porsche Cayenne, 2015-2016 Porsche Macan, 2017-2017 Porsche Macan, 2017-2017 Porsche Macan, 2018-2018 Porsche Macan, 2018-2018 Porsche Macan, 2018-2018 Porsche Macan
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Vehicle: Porsche 911
Quantity1
Item LocatedUnited States
Part interchange
234-4878, 25659, 25653, 16205, 16962, SG1098, 250-24648, 350-34649,
...View moreitem #1005HLE3
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DensoPart # 234-4879
Oxygen Sensor - Denso 234-4879
4.29 Reviews
$89.99
Quantity Less than 4
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3-year warranty
90 days free return
Fits 2006-2006 Porsche 911, 2007-2007 Porsche 911, 2007-2008 Porsche 911, 2007-2008 Porsche 911, 2007-2008 Porsche 911, 2007-2008 Porsche 911, 2008-2009 Porsche 911, 2011-2011 Porsche 911, 2011-2011 Porsche 911, 2014-2016 Porsche 911, 2015-2016 Porsche Macan, 2016-2017 Porsche 911, 2017-2017 Porsche Macan, 2017-2017 Porsche Macan, 2018-2018 Porsche Macan, 2018-2018 Porsche Macan, 2018-2018 Porsche Macan, 2019-2019 Porsche 911
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Vehicle: Porsche 911
Quantity1
Item LocatedUnited States
Part interchange
234-4879, 25761, 25696, 16057, 16826, 16825, 250-241207, 350-341057,
...View moreitem #1005HKTG
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BoschPart # 13918
Oxygen Sensor - Upstream - Bosch 13918
46 Reviews
$118.99
Quantity Less than 4
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3-year warranty
90 days free return
Fits 1983-1986 Porsche 928, 1984-1985 Porsche 911, 1984-1985 Porsche 911
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Vehicle: Porsche 911
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
13918, 92860612400, 92860612800
item #1002D6SE
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BoschPart # 13924
Oxygen Sensor - Upstream - Bosch 13924
46 Reviews
$99.99
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3-year warranty
90 days free return
Fits 1984-1985 Porsche 911, 1984-1985 Porsche 911, 1986-1993 Porsche 911, 1994-1994 Porsche 911, 1994-1994 Porsche 911
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Vehicle: Porsche 911
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
13924, 96560612601
item #1002DCGU
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DensoPart # 234-5036
Denso 234-5036 Oxygen Sensor
4.29 Reviews
$127.99
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3-year warranty
90 days free return
Fits 2008-2011 Audi S6, 2008-2013 Audi A3, 2009-2009 Audi A3 Quattro, 2009-2011 Audi Q7, 2010-2012 Audi R8, 2011-2011 Audi Q7, 2011-2013 Audi Q7, 2011-2015 Audi Q7, 2011-2015 Audi Q7, 2011-2015 Audi Q7, 2011-2015 Audi Q7, 2014-2014 Audi A6 Quattro, 2014-2014 Audi A6 Quattro, 2014-2014 Audi A7 Quattro, 2014-2014 Audi Q5, 2014-2014 Audi Q7, 2014-2014 Audi Q7, 2014-2015 Audi R8, 2014-2016 Audi A6 Quattro, 2014-2016 Audi A6 Quattro
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Vehicle: Porsche 911
Quantity1
Item LocatedUnited States
Part interchange
234-5036, 24348, 24326, 24328, 059906262M, 06E906262K, 07L906262T, 06J906262T,
...View moreitem #1002H9RP
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BoschPart # 13369
Oxygen Sensor - Upstream - Bosch 13369
46 Reviews
$90.99
Quantity Less than 2
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3-year warranty
90 days free return
Fits 1994-1994 Porsche 911, 1994-1994 Porsche 911
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Porsche 911
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
13369, 99360612600, 99360612601
item #1002CRYZ
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DensoPart # 234-4475
Oxygen Sensor - Denso 234-4475
4.29 Reviews
$119.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Fits 2009-2009 Porsche 911, 2009-2009 Porsche 911, 2009-2009 Porsche 911, 2009-2009 Porsche 911, 2010-2010 Porsche 911, 2010-2010 Porsche 911, 2010-2010 Porsche 911, 2010-2010 Porsche 911, 2010-2011 Porsche 911, 2010-2011 Porsche Panamera, 2011-2011 Porsche 911, 2011-2011 Porsche 911, 2011-2011 Porsche 911, 2011-2011 Porsche 911, 2012-2013 Porsche 911, 2012-2013 Porsche Panamera, 2012-2013 Porsche Panamera, 2014-2014 Porsche 911, 2014-2014 Porsche Panamera, 2014-2015 Porsche 911
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Vehicle: Porsche 911
Quantity1
Item LocatedUnited States
Part interchange
234-4475, 25722, 25719, 16177, 16285, 16145, 16201, 350-34558,
...View moreitem #1005HQCN
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BoschPart # 17458
Oxygen Sensor - Upstream - Bosch 17458
46 Reviews
$113.99
Only 1 item left in stock
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3-year warranty
90 days free return
Fits 2014-2016 Porsche 911, 2014-2016 Porsche 911, 2017-2019 Porsche 911
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Vehicle: Porsche 911
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
17458, 9A160618801
item #1002EAES
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BoschPart # 15733
Oxygen Sensor - Bosch 15733
46 Reviews
$60.99
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3-year warranty
90 days free return
Fits 1991-1994 Acura NSX, 1991-1995 Acura Legend, 1992-1994 Acura Vigor, 1992-1995 Acura Integra, 1995-1998 Acura TL, 1995-2005 Acura NSX, 1996-2001 Acura Integra, 1996-2004 Acura RL, 1997-1999 Acura CL, 1997-2005 Acura EL, 1999-1999 Acura TL, 2000-2003 Acura TL, 2001-2002 Acura MDX, 2001-2003 Acura CL, 2000-2000 Audi A4, 2000-2000 Audi A4 Quattro, 2000-2000 Audi A4 Quattro, 2000-2000 Audi A6 Quattro, 2000-2000 Audi A6 Quattro, 2000-2001 Audi A4
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Porsche 911
QuantityOne Set
Item LocatedUnited States
Part interchange
15733, 46786046, 55201610
item #1002DX30
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DensoPart # 234-4496
Oxygen Sensor - Downstream - Denso 234-4496
4.29 Reviews
$122.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Fits 2005-2012 Porsche Boxster, 2006-2010 Porsche Cayman, 2007-2008 Porsche 911, 2007-2008 Porsche 911, 2010-2011 Porsche 911, 2011-2011 Porsche 911, 2011-2011 Porsche 911, 2011-2012 Porsche Cayman, 2011-2014 Porsche Cayenne, 2015-2015 Porsche Cayenne, 2015-2015 Porsche Cayenne, 2016-2017 Porsche Cayenne, 2016-2018 Porsche Cayenne, 2016-2018 Porsche Cayenne, 2017-2018 Porsche Cayenne
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Porsche 911
Quantity1
Installation PositionDownstream
Item LocatedUnited States
Part interchange
234-4496, 25659, 25738, 16207, 16147, 16810, 16443, 250-24682,
...View moreitem #1005HKRY
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BoschPart # 16810
Oxygen Sensor - Downstream - Bosch 16810
46 Reviews
$176.99
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3-year warranty
90 days free return
Fits 2005-2007 Porsche Boxster, 2006-2008 Porsche Cayman, 2007-2008 Porsche 911, 2007-2008 Porsche 911, 2008-2008 Porsche Boxster, 2008-2008 Porsche Boxster, 2008-2008 Porsche Boxster, 2008-2008 Porsche Boxster, 2010-2010 Porsche 911, 2010-2010 Porsche 911, 2010-2010 Porsche 911, 2010-2010 Porsche 911, 2011-2011 Porsche 911
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Porsche 911
Quantity1
Installation PositionDownstream
Item LocatedUnited States
Part interchange
16810, 98760612302
item #1002E7TC
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Spectra PremiumPart # OS6239
Spectra Premium OS6239 Oxygen Sensor
4.45 Reviews
$75.99
Quantity Less than 4
Edit ZIP code
3-year warranty
90 days free return
Fits 2005-2007 Porsche Boxster, 2006-2007 Porsche Cayman, 2007-2007 Porsche 911, 2007-2007 Porsche 911, 2008-2008 Porsche 911, 2008-2008 Porsche 911, 2008-2008 Porsche Cayenne, 2008-2008 Porsche Cayman, 2008-2009 Porsche Boxster, 2009-2009 Porsche Cayenne, 2009-2009 Porsche Cayman, 2009-2009 Porsche Cayman, 2010-2010 Porsche Boxster, 2010-2010 Porsche Cayenne, 2010-2010 Porsche Cayman, 2010-2011 Porsche 911, 2011-2011 Porsche 911, 2011-2011 Porsche 911, 2011-2011 Porsche Cayman, 2011-2011 Porsche Cayman
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Porsche 911
Quantity1
Item LocatedUnited States
Part interchange
OS6239, 5S9973, 25659, 16147, 16697, 16962, 16201, 16810,
...View moreitem #1000YR16
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BoschPart # 17044
Bosch 17044 Oxygen Sensor, Upstream
46 Reviews
$160.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2001-2005 Porsche 911, 2002-2005 Porsche 911, 2004-2005 Porsche Carrera GT, 2005-2005 Porsche 911
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Porsche 911
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
17044, 99660612800
item #1002E53N
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Your vehicle’s oxygen sensor (also known as O2 sensors) plays a critical role in engine performance, fuel efficiency, and emissions control. By continuously measuring the amount of unburned oxygen in the exhaust, the oxygen sensor sends real-time feedback to your engine control unit (ECU), ensuring the perfect air-fuel mixture.
When an oxygen sensor fails, your engine essentially runs “blind,” leading to poor fuel economy, rough idling, reduced performance, and a persistent check engine light. A timely front oxygen sensor replacement or replacement of a faulty upstream oxygen sensor or downstream oxygen sensor can restore optimal driving conditions and help you pass emissions tests with ease.
Why Choose A-Premium Oxygen Sensors?
Unlike universal parts that require cutting and splicing wires, A-Premium O2 sensors are engineered for direct plug-and-play installation.
- OEM-style connectors for seamless fit
- Pre-coated anti-seize threads for easy installation
- Laser-welded body construction for durability
- High-temperature sintered coating for long service life
- Premium insulation sheathing and impact-resistant design
- Slotted guard tube for sensor protection
- High heat dissipation structure for extreme environments
Advanced Performance & Precision
A-Premium oxygen sensor technology ensures fast, accurate, and stable performance:
Performance & Response
- ≤200ms fast response time
- High-efficiency oxygen sensing
- Zirconia sensing element
- Real-time signal feedback
Precision & Control
- Real-time exhaust tracking
- Accurate combustion control
- Stable signal output
Efficiency & Engine Benefits
- Improved fuel efficiency
- Enhanced engine performance
- Reduced harmful emissions
- Extended engine lifespan
Environmental Adaptability
- Operating range: -40°F to 266°F
- Air-tight sealing design
- Stable performance under harsh conditions
3 Symptoms of a Bad Oxygen Sensor
Because O2 sensors operate in extreme heat and carbon-rich environments, they naturally degrade over time.
- Check Engine Light (CEL): Common codes include P0135, P0171, and P0420. These often point to issues with an upstream oxygen sensor or oxygen sensor bank 1.
- Poor Fuel Economy: A faulty oxygen sensor may cause a rich fuel mixture, dramatically lowering MPG. 20-40% worse fuel economy overnight.
- Rough Idle & Stalling: Incorrect readings from your downstream oxygen sensor or upstream sensor can disrupt engine stability.
- Rotten egg smell: Catalytic converter overheating from bad fuel mixture
Understanding O2 Sensor Positions: Upstream vs Downstream
Modern vehicles may have multiple oxygen sensor units, making it essential to identify the correct one:
- Oxygen Sensor Bank 1vs Bank 2
- oxygen sensor bank 1 refers to the side of the engine with Cylinder #1
- Bank 2 is the opposite side
- Upstream Oxygen Sensor(Sensor 1)
- Located before the catalytic converter
- Controls air-fuel ratio
- Most common need for front oxygen sensor replacement
- Downstream Oxygen Sensor(Sensor 2)
- Located after the catalytic converter
- Monitors emissions system efficiency
Tip: Always match your diagnostic code to the correct upstream oxygen sensor or downstream oxygen sensor before purchasing.
Complete Your Emissions Repair
Replacing your oxygen sensor is often part of a larger emissions system fix. Consider inspecting these related components:
- Catalytic Converter: Persistent issues after replacing a downstream oxygen sensor may indicate converter failure
- MAF Sensor: Works with your oxygen sensor to calculate air intake
- Ignition Coils & Spark Plugs: Misfires can damage O2 sensors quickly
Shop by Popular Makes
To help you quickly find the right oxygen sensor, explore our most popular vehicle-specific options:
Browse our most searched and best-selling vehicle-specific oxygen sensor options to quickly locate the right fit for your car.
Popular Years for Porsche 911
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Frequently Asked Questions
Can I clean my oxygen sensor instead of replacing it?
Should I replace O2 sensors in pairs?
Do I need a special tool?
How long do oxygen sensors last?
What’s the difference between upstream and downstream sensors?
What happens if I ignore a bad oxygen sensor?
How do I know if it’s Bank 1 or Bank 2?
Will replacing an oxygen sensor improve MPG?
How do oxygen sensor voltages relate to fuel mixture?
How much does it cost to replace an oxygen sensor?
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