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 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

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Denso Air/Fuel Ratio Sensors for 2004-2008 TSX - 234-9066

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for use on Acura®, Each

Part Number: DNP-234-9066

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2010-2013 3 - 234-5042

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Mazda, Each

Part Number: DNP-234-5042

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2002-2004 RSX - 234-9006

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for use on Acura®, Each

Part Number: DNP-234-9006

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2000-2004 TUNDRA, TACOMA, 1999-2000 4RUNNER - 234-9003

Oxygen Sensor, OE Style, Heated, Flange Mount, Toyota, Each

Part Number: DNP-234-9003

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2018-2024 LC500H, LS500H - 234-9308

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Lexus, Each

Part Number: DNP-234-9308

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2018-2024 LS500H - 234-9309

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Lexus, Each

Part Number: DNP-234-9309

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2009-2012 FX50 - 234-9079

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

Part Number: DNP-234-9079

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2018-2024 LS500 - 234-9311

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Lexus, Each

Part Number: DNP-234-9311

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2009-2013 GRAND VITARA - 234-9299

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

Part Number: DNP-234-9299

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2001-2006 INSIGHT - 234-9013

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for use on Honda®, Each

Part Number: DNP-234-9013

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2010 INSIGHT - 234-9078

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for use on Honda®, Each

Part Number: DNP-234-9078

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2014-2015 MIRAGE - 234-5181

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Mitsubishi, Each

Part Number: DNP-234-5181

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2008-2018 CAYENNE - 234-5024

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Porsche, Each

Part Number: DNP-234-5024

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Denso Air/Fuel Ratio Sensors 234-5025

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, BMW, Each

Part Number: DNP-234-5025

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Denso Air/Fuel Ratio Sensors 234-5027

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, BMW, Each

Part Number: DNP-234-5027

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2012-2014 A8 QUATTRO - 234-5146

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Audi, Each

Part Number: DNP-234-5146

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2014-2021 I3, 2018-2021 I3S - 234-5168

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, BMW, Each

Part Number: DNP-234-5168

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2015-2016 A8 QUATTRO, 2008-2011 S6, 2012-2013 TT RS QUATTRO - 234-5009

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Audi, Each

Part Number: DNP-234-5009

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2004-2006 TT QUATTRO - 234-5106

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Audi, Each

Part Number: DNP-234-5106

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2011-2014 A8 QUATTRO, 2015 BEETLE, 2015-2018 JETTA - 234-5094

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Audi, Volkswagen, Each

Part Number: DNP-234-5094

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2007-2009 E320 - 234-5086

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Mercedes-Benz, Each

Part Number: DNP-234-5086

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2009-2011 RX-8 - 234-9059

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Mazda, Each

Part Number: DNP-234-9059

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2005-2006 RSX, 2006-2009 S2000 - 234-9065

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for use on Acura®, Honda®, Each

Part Number: DNP-234-9065

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Denso Air/Fuel Ratio Sensors for 2007-2009 SX4 - 234-9033

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

Part Number: DNP-234-9033

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Denso Air/Fuel Ratio Sensors 234-9016

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Jaguar, Each

Part Number: DNP-234-9016

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

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