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Denso Products

Denso Oxygen Sensors

4.63 out of 5 stars 93 Customer Reviews

Oxygen sensors, also known as Lambda sensors or O2 sensors, are among the most sensitive and critical components on your car's engine. They monitor the air/fuel mix
Oxygen sensors, also known as Lambda sensors or O2 sensors, are among the most sensitive and critical components on your car's engine. They monitor the air/fuel mixture under idle, moderate acceleration, and cruise conditions. Oxygen sensors have a smaller range of limits in detecting and adjusting the difference from an optimum air/fuel ratio than the newer wide range air/fuel sensors (A/F sensors).

Today's engines may use as many as four oxygen sensors to monitor exhaust gas oxygen content and catalytic converter efficiency. In order to perform these functions properly, Denso oxygen sensors adhere to strict OE s
Oxygen sensors, also known as Lambda sensors or O2 sensors, are among the most sensitive and critical components on your car's engine. They monitor the air/fuel mixture under idle, moderate acceleration, and cruise conditions. Oxygen sensors have a smaller range of limits in detecting and adjusting the difference from an optimum air/fuel ratio than the newer wide range air/fuel sensors (A/F sensors).

Today's engines may use as many as four oxygen sensors to monitor exhaust gas oxygen content and catalytic converter efficiency. In order to perform these functions properly, Denso oxygen sensors adhere to strict OE standards within incredibly close tolerances. A malfunctioning or incorrectly calibrated oxygen sensor can hurt drivability and illuminate the check engine light, resulting in costly and time-consuming repairs. Denso First Time Fit oxygen sensors are designed to meet those tolerances and more.

Key features and benefits of Denso Oxygen Sensors include:

* Robotic laser welds
* Porous PTFE filters block efficiency-robbing contaminants
* Double-protection covers maintain proper temperature for quicker response times and protect ceramic elements from silicone and lead fouling
* Rugged, watertight stainless steel housings resist corrosion and contamination
* Aluminum oxide trap layers keep silicone and lead out, preventing damage to the platinum electrode
* Refined zirconia elements improves sensor response
* Superior design maximizes engine performance while reducing fuel consumption and harmful emissions
* First Time Fit design delivers the right part the first time

Showing In Stock Items. Show All 73 Items.

Results 1 - 25 of 72

Denso Oxygen Sensors 234-4210

Denso Oxygen Sensors 234-4210

Denso Oxygen Sensors 234-4210

Oxygen Sensor, Universal, Heated, Thread-In Mounting, Each

Part Number: DNP-234-4210

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Denso Oxygen Sensors 234-4381

Denso Oxygen Sensors 234-4381

Denso Oxygen Sensors 234-4381

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

Part Number: DNP-234-4381

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 Oxygen Sensors 234-4835

Denso Oxygen Sensors 234-4835

Denso Oxygen Sensors 234-4835

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

Part Number: DNP-234-4835

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Denso Oxygen Sensors for 2007-2013 ALTIMA, 2008-2012 ROGUE - 234-4382

Denso Oxygen Sensors for 2007-2013 ALTIMA, 2008-2012 ROGUE - 234-4382

Denso Oxygen Sensors for 2007-2013 ALTIMA, 2008-2012 ROGUE - 234-4382

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

Part Number: DNP-234-4382

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 Oxygen Sensors 234-4380

Denso Oxygen Sensors 234-4380

Denso Oxygen Sensors 234-4380

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

Part Number: DNP-234-4380

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 Oxygen Sensors 234-4985

Denso Oxygen Sensors 234-4985

Denso Oxygen Sensors 234-4985

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

Part Number: DNP-234-4985

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 Oxygen Sensors 234-8060

Denso Oxygen Sensors 234-8060

Denso Oxygen Sensors 234-8060

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

Part Number: DNP-234-8060

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 Oxygen Sensors 234-4313

Denso Oxygen Sensors 234-4313

Denso Oxygen Sensors 234-4313

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

Part Number: DNP-234-4313

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 Oxygen Sensors 234-3111

Denso Oxygen Sensors 234-3111

Denso Oxygen Sensors 234-3111

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

Part Number: DNP-234-3111

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 Oxygen Sensors 234-4301

Denso Oxygen Sensors 234-4301

Denso Oxygen Sensors 234-4301

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

Part Number: DNP-234-4301

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 Oxygen Sensors for 1998-2004 FRONTIER, 1998-1999 SENTRA, 2000-2004 XTERRA - 234-4323

Denso Oxygen Sensors for 1998-2004 FRONTIER, 1998-1999 SENTRA, 2000-2004 XTERRA - 234-4323

Denso Oxygen Sensors for 1998-2004 FRONTIER, 1998-1999 SENTRA, 2000-2004 XTERRA - 234-4323

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

Part Number: DNP-234-4323

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Denso Oxygen Sensors 234-4906

Denso Oxygen Sensors 234-4906

Denso Oxygen Sensors 234-4906

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

Part Number: DNP-234-4906

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Denso Oxygen Sensors for 2004 FRONTIER, XTERRA - 234-4197

Denso Oxygen Sensors for 2004 FRONTIER, XTERRA - 234-4197

Denso Oxygen Sensors for 2004 FRONTIER, XTERRA - 234-4197

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

Part Number: DNP-234-4197

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Denso Oxygen Sensors for 2002-2004 I35, 2002-2003 MAXIMA, 2001-2002 SENTRA - 234-4270

Denso Oxygen Sensors for 2002-2004 I35, 2002-2003 MAXIMA, 2001-2002 SENTRA - 234-4270

Denso Oxygen Sensors for 2002-2004 I35, 2002-2003 MAXIMA, 2001-2002 SENTRA - 234-4270

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

Part Number: DNP-234-4270

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Denso Oxygen Sensors 234-4776

Denso Oxygen Sensors 234-4776

Denso Oxygen Sensors 234-4776

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

Part Number: DNP-234-4776

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Denso Oxygen Sensors 234-4716

Denso Oxygen Sensors 234-4716

Denso Oxygen Sensors 234-4716

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

Part Number: DNP-234-4716

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Denso Oxygen Sensors for 1994 D21, 1994-1995 PATHFINDER, 1995 PICKUP - 234-3093

Denso Oxygen Sensors for 1994 D21, 1994-1995 PATHFINDER, 1995 PICKUP - 234-3093

Denso Oxygen Sensors for 1994 D21, 1994-1995 PATHFINDER, 1995 PICKUP - 234-3093

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

Part Number: DNP-234-3093

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Denso Oxygen Sensors for 1996-2000 PATHFINDER, 1997-2000 QX4 - 234-3097

Denso Oxygen Sensors for 1996-2000 PATHFINDER, 1997-2000 QX4 - 234-3097

Denso Oxygen Sensors for 1996-2000 PATHFINDER, 1997-2000 QX4 - 234-3097

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

Part Number: DNP-234-3097

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Denso Oxygen Sensors 234-4296

Denso Oxygen Sensors 234-4296

Denso Oxygen Sensors 234-4296

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

Part Number: DNP-234-4296

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 Oxygen Sensors 234-4302

Denso Oxygen Sensors 234-4302

Denso Oxygen Sensors 234-4302

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

Part Number: DNP-234-4302

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 Oxygen Sensors 234-4308

Denso Oxygen Sensors 234-4308

Denso Oxygen Sensors 234-4308

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

Part Number: DNP-234-4308

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 Oxygen Sensors for 2002-2003 ALTIMA, SENTRA - 234-4309

Denso Oxygen Sensors for 2002-2003 ALTIMA, SENTRA - 234-4309

Denso Oxygen Sensors for 2002-2003 ALTIMA, SENTRA - 234-4309

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

Part Number: DNP-234-4309

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 Oxygen Sensors 234-4312

Denso Oxygen Sensors 234-4312

Denso Oxygen Sensors 234-4312

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

Part Number: DNP-234-4312

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 Oxygen Sensors 234-3098

Denso Oxygen Sensors 234-3098

Denso Oxygen Sensors 234-3098

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

Part Number: DNP-234-3098

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 Oxygen Sensors 234-3109

Denso Oxygen Sensors 234-3109

Denso Oxygen Sensors 234-3109

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

Part Number: DNP-234-3109

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

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