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Denso Products

Denso Air/Fuel Ratio Sensors

4.77 out of 5 stars 22 Customer Reviews

Denso air/fuel ratio sensors (A/F sensors) were developed to measure air-to-fuel ratios under a wider range of driving conditions than oxygen sensors. A/F sensors,
Denso air/fuel ratio sensors (A/F sensors) were developed to measure air-to-fuel ratios under a wider range of driving conditions than oxygen sensors. A/F sensors, also known as wide-band oxygen sensors, send information to the engine management computer to make adjustments based on driving conditions. Their wider range and variable adjustments allow engines to burn fuel more efficiently and produce fewer emissions.

As A/F sensor technology has evolved, Denso has been there every step of the way. From the first thimble-type sensors to today's heated, quick-response sensors required to meet ever more stringent emis
Denso air/fuel ratio sensors (A/F sensors) were developed to measure air-to-fuel ratios under a wider range of driving conditions than oxygen sensors. A/F sensors, also known as wide-band oxygen sensors, send information to the engine management computer to make adjustments based on driving conditions. Their wider range and variable adjustments allow engines to burn fuel more efficiently and produce fewer emissions.

As A/F sensor technology has evolved, Denso has been there every step of the way. From the first thimble-type sensors to today's heated, quick-response sensors required to meet ever more stringent emissions regulations, Denso has supplied OEMs with quality components and continues to innovate. Denso helped to develop this important technology and you can rely on Denso First Time Fit A/F sensors.

Features and benefits of Denso air/fuel ratio sensors include:

* Tarnish-proof platinum electrode provides longer life and maintains accuracy
* Quick-response planar zirconia element quickly detects oxygen concentration
* Measures air/fuel ratios from approximately 12:1 to 19:1
* Increased performance by mapping air/fuel ratios throughout the RPM range
* Lower emissions by optimizing the air/fuel mixture
* Reduces fuel consumption and maximizes catalytic converter life
* First Time Fit design delivers the right part the first time

Showing In Stock Items. Show All 29 Items.

Results 1 - 25 of 29

Denso Air/Fuel Ratio Sensors 234-9135

Denso Air/Fuel Ratio Sensors 234-9135

Denso Air/Fuel Ratio Sensors 234-9135

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Chevrolet, for Infiniti, for Nissan, Each

Part Number: DNP-234-9135

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Denso Air/Fuel Ratio Sensors 234-9036

Denso Air/Fuel Ratio Sensors 234-9036

Denso Air/Fuel Ratio Sensors 234-9036

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Infiniti, for Nissan, Suzuki, Each

Part Number: DNP-234-9036

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors 234-9038

Denso Air/Fuel Ratio Sensors 234-9038

Denso Air/Fuel Ratio Sensors 234-9038

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Infiniti, for Nissan, Suzuki, Each

Part Number: DNP-234-9038

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors for 2016-2018 ALTIMA - 234-9134

Denso Air/Fuel Ratio Sensors for 2016-2018 ALTIMA - 234-9134

Denso Air/Fuel Ratio Sensors for 2016-2018 ALTIMA - 234-9134

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9134

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors 234-5060

Denso Air/Fuel Ratio Sensors 234-5060

Denso Air/Fuel Ratio Sensors 234-5060

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Infiniti, for Nissan, Each

Part Number: DNP-234-5060

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors for 2009-2021 GT-R - 234-9080

Denso Air/Fuel Ratio Sensors for 2009-2021 GT-R - 234-9080

Denso Air/Fuel Ratio Sensors for 2009-2021 GT-R - 234-9080

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9080

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors for 2007-2009 ALTIMA, 2009-2024 GT-R, 2008-2009 ROGUE - 234-9071

Denso Air/Fuel Ratio Sensors for 2007-2009 ALTIMA, 2009-2024 GT-R, 2008-2009 ROGUE - 234-9071

Denso Air/Fuel Ratio Sensors for 2007-2009 ALTIMA, 2009-2024 GT-R, 2008-2009 ROGUE - 234-9071

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9071

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors for 2011-2017 JUKE - 234-9105

Denso Air/Fuel Ratio Sensors for 2011-2017 JUKE - 234-9105

Denso Air/Fuel Ratio Sensors for 2011-2017 JUKE - 234-9105

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9105

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors for 2015-2019 Q70, Q70L, 2013-2019 SENTRA - 234-9132

Denso Air/Fuel Ratio Sensors for 2015-2019 Q70, Q70L, 2013-2019 SENTRA - 234-9132

Denso Air/Fuel Ratio Sensors for 2015-2019 Q70, Q70L, 2013-2019 SENTRA - 234-9132

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Infiniti, for Nissan, Each

Part Number: DNP-234-9132

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Denso Air/Fuel Ratio Sensors for 2012-2017 NV3500, NV2500, 2011-2012 G25 - 234-9104

Denso Air/Fuel Ratio Sensors for 2012-2017 NV3500, NV2500, 2011-2012 G25 - 234-9104

Denso Air/Fuel Ratio Sensors for 2012-2017 NV3500, NV2500, 2011-2012 G25 - 234-9104

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Infiniti, for Nissan, Each

Part Number: DNP-234-9104

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors 234-9127

Denso Air/Fuel Ratio Sensors 234-9127

Denso Air/Fuel Ratio Sensors 234-9127

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Infiniti, for Nissan, Each

Part Number: DNP-234-9127

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors 234-9106

Denso Air/Fuel Ratio Sensors 234-9106

Denso Air/Fuel Ratio Sensors 234-9106

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9106

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors for 2013-2017 ALTIMA, 2016-2018 VERSA, 2016-2017 VERSA NOTE - 234-9133

Denso Air/Fuel Ratio Sensors for 2013-2017 ALTIMA, 2016-2018 VERSA, 2016-2017 VERSA NOTE - 234-9133

Denso Air/Fuel Ratio Sensors for 2013-2017 ALTIMA, 2016-2018 VERSA, 2016-2017 VERSA NOTE - 234-9133

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9133

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors for 2011-2013 ALTIMA - 234-9107

Denso Air/Fuel Ratio Sensors for 2011-2013 ALTIMA - 234-9107

Denso Air/Fuel Ratio Sensors for 2011-2013 ALTIMA - 234-9107

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9107

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors for 2009-2010 MURANO - 234-9081

Denso Air/Fuel Ratio Sensors for 2009-2010 MURANO - 234-9081

Denso Air/Fuel Ratio Sensors for 2009-2010 MURANO - 234-9081

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9081

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors for 2011-2014 CUBE, 2009-2012 SENTRA - 234-9082

Denso Air/Fuel Ratio Sensors for 2011-2014 CUBE, 2009-2012 SENTRA - 234-9082

Denso Air/Fuel Ratio Sensors for 2011-2014 CUBE, 2009-2012 SENTRA - 234-9082

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9082

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors for 2009-2011 VERSA - 234-9083

Denso Air/Fuel Ratio Sensors for 2009-2011 VERSA - 234-9083

Denso Air/Fuel Ratio Sensors for 2009-2011 VERSA - 234-9083

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9083

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors 234-9096

Denso Air/Fuel Ratio Sensors 234-9096

Denso Air/Fuel Ratio Sensors 234-9096

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9096

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors for 2007 ALTIMA, SENTRA, VERSA - 234-9070

Denso Air/Fuel Ratio Sensors for 2007 ALTIMA, SENTRA, VERSA - 234-9070

Denso Air/Fuel Ratio Sensors for 2007 ALTIMA, SENTRA, VERSA - 234-9070

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9070

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors 234-9072

Denso Air/Fuel Ratio Sensors 234-9072

Denso Air/Fuel Ratio Sensors 234-9072

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Infiniti, for Nissan, Each

Part Number: DNP-234-9072

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors for 2007-2009 ALTIMA, 2008-2009 ROGUE - 234-9073

Denso Air/Fuel Ratio Sensors for 2007-2009 ALTIMA, 2008-2009 ROGUE - 234-9073

Denso Air/Fuel Ratio Sensors for 2007-2009 ALTIMA, 2008-2009 ROGUE - 234-9073

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9073

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors for 2018-2021 KICKS, 2019-2022 VERSA, 2018-2019 VERSA NOTE - 234-9303

Denso Air/Fuel Ratio Sensors for 2018-2021 KICKS, 2019-2022 VERSA, 2018-2019 VERSA NOTE - 234-9303

Denso Air/Fuel Ratio Sensors for 2018-2021 KICKS, 2019-2022 VERSA, 2018-2019 VERSA NOTE - 234-9303

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9303

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors 234-9039

Denso Air/Fuel Ratio Sensors 234-9039

Denso Air/Fuel Ratio Sensors 234-9039

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9039

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors for 2015-2017 JUKE, 2017-2019 SENTRA - 234-9147

Denso Air/Fuel Ratio Sensors for 2015-2017 JUKE, 2017-2019 SENTRA - 234-9147

Denso Air/Fuel Ratio Sensors for 2015-2017 JUKE, 2017-2019 SENTRA - 234-9147

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Nissan, Each

Part Number: DNP-234-9147

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Denso Air/Fuel Ratio Sensors for 2008 G37, 2009-2010 MURANO - 234-9037

Denso Air/Fuel Ratio Sensors for 2008 G37, 2009-2010 MURANO - 234-9037

Denso Air/Fuel Ratio Sensors for 2008 G37, 2009-2010 MURANO - 234-9037

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for Infiniti, for Nissan, Each

Part Number: DNP-234-9037

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

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