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Denso Oxygen Sensors

4.64 out of 5 stars 95 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 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 38 Items.

Results 1 - 25 of 37

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: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Denso Oxygen Sensors 234-4209

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

Part Number: DNP-234-4209

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Denso Oxygen Sensors 234-4566

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Buick, Cadillac, Chevrolet, GMC, Pontiac, Suzuki, Each

Part Number: DNP-234-4566

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors for 2008-2013 SX4 - 234-4165

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

Part Number: DNP-234-4165

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

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: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors for 2007 SX4 - 234-4388

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

Part Number: DNP-234-4388

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Denso Oxygen Sensors 234-3000

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

Part Number: DNP-234-3000

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors 234-3014

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

Part Number: DNP-234-3014

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors 234-4049

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

Part Number: DNP-234-4049

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors for 1996-1998 SIDEKICK - 234-4031

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

Part Number: DNP-234-4031

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors 234-4060

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Asuna, Chevrolet, Geo, Pontiac, Suzuki, Each

Part Number: DNP-234-4060

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors 234-4222

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

Part Number: DNP-234-4222

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors for 2002-2007 AERIO - 234-4225

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

Part Number: DNP-234-4225

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors for 2001 GRAND VITARA, 1999-2000 VITARA, 2002-2006 XL-7 - 234-4084

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

Part Number: DNP-234-4084

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors 234-4105

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

Part Number: DNP-234-4105

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors for 2009-2010 GRAND VITARA, 2010-2013 KIZASHI - 234-4303

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

Part Number: DNP-234-4303

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors for 2009-2010 GRAND VITARA - 234-4304

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

Part Number: DNP-234-4304

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors for 2006-2008 FORENZA, RENO - 234-4423

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

Part Number: DNP-234-4423

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors 234-4297

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

Part Number: DNP-234-4297

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors for 2006 VERONA - 234-4426

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

Part Number: DNP-234-4426

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors for 2006 VERONA - 234-4420

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

Part Number: DNP-234-4420

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors for 2004-2005 VERONA - 234-4421

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

Part Number: DNP-234-4421

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors for 2004-2005 VERONA - 234-4422

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

Part Number: DNP-234-4422

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors for 2004-2005 FORENZA, 2005 RENO - 234-4427

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

Part Number: DNP-234-4427

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Denso Oxygen Sensors for 2006 VERONA - 234-4425

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

Part Number: DNP-234-4425

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

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