O2 Sensors, Oxygen Sensors - Narrowband, Wideband, Upstream, Downstream, Denso, O2 Sensors

The oxygen sensor, or O2 sensor, measures the amount of oxygen in your vehicle’s exhaust gases. Your engine’s computer uses this data to help figure out...

The oxygen sensor, or O2 sensor, measures the amount of oxygen in your vehicle’s exhaust gases. Your engine’s computer uses this data to help figure out the current air/fuel ratio, which allows it to maintain fuel efficiency and emissions standards. If your ride starts running rough, you may need to clean or replace this important sensor. Fortunately, you’re at the right place to get the replacement oxygen sensor you need—Summit Racing Equipment!

Narrowband vs. Wideband

A narrowband O2 sensor only informs the computer if your engine is running rich or lean. A wideband sensor measures how rich or...

Narrowband vs. Wideband

A narrowband O2 sensor only informs the computer if your engine is running rich or lean. A wideband sensor measures how rich or how lean the ratio is.

Upstream vs. Downstream

Upstream O2 sensors are positioned before the catalytic converter; downstream sensors are after it.

Top Brands

Oxygen (O2) sensors are crucial to your fuel-injected car, so Summit only carries reliable brands, including, Bosch, NTK, ACDelco, Denso, Holley, and E3 Spark Plugs.

Individual Parts

Part Groups

Results 1 - 25 of 56

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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Denso Air/Fuel Ratio Sensors for 2002-2004 RSX, CR-V, 2001-2005 CIVIC - 234-9005

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

Part Number: DNP-234-9005

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Bosch Premium Original Equipment-Type Oxygen Sensors 15741

Oxygen Sensors, Premium Original Equipment-Type, for Hyundai, for Nissan, Chevy, Chrysler, Fiat, Ford, Jeep, Saab, Subaru, Suzuki, Toyota, Volvo, Each

Part Number: BCH-15741

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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: Today

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Bosch Premium Universal Type Oxygen Sensors 15733

Oxygen Sensor, Universal Replacement, OE SmartLink™, Each

Part Number: BCH-15733

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Bosch Premium Universal Type Oxygen Sensors 15730

Oxygen Sensor, Universal Replacement, OE SmartLink™, Each

Part Number: BCH-15730

2.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Denso Oxygen Sensors 234-4621

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

Part Number: DNP-234-4621

Not Yet Reviewed

Estimated Ship Date: Today

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Denso Oxygen Sensors for 1998-2003 CIVIC - 234-4074

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

Part Number: DNP-234-4074

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Denso Oxygen Sensors 234-4092

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

Part Number: DNP-234-4092

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Denso Oxygen Sensors for 2001-2005 CIVIC - 234-4123

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

Part Number: DNP-234-4123

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Delphi Oxygen Sensors for 2002-2004 RSX, CR-V, 2001-2005 CIVIC - ES10937

Oxygen Sensor, 4-wire, Thread-in, for use on Acura®, Honda®, Each

Part Number: DFP-ES10937

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

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Estimated Ship Date: Aug 19, 2025 if ordered today

Standard Motor Oxygen Sensors SG2128T

Oxygen Sensors, Replacement, 4-wire, 0-1 V, for use on Acura®, for use on Honda®, Each

Part Number: SMP-SG2128T

Not Yet Reviewed

Estimated Ship Date: Today

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Denso Air/Fuel Ratio Sensors for 2004-2005 CIVIC - 234-9017

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

Part Number: DNP-234-9017

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Denso Oxygen Sensors for 2000-2002 ACCORD, 2001-2005 CIVIC, 2002-2004 RSX - 234-4122

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

Part Number: DNP-234-4122

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Denso Oxygen Sensors for 2004-2005 CIVIC - 234-4220

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

Part Number: DNP-234-4220

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Denso Oxygen Sensors for 2001-2005 CIVIC - 234-4613

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

Part Number: DNP-234-4613

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Delphi Oxygen Sensors ES10936

Oxygen Sensor, 4-wire, Thread-in, for use on Honda®, Subaru, Each

Part Number: DFP-ES10936

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 19, 2025 if ordered today

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Estimated Ship Date: Aug 19, 2025 if ordered today

Delphi Oxygen Sensors for 2001-2003 CIVIC, 2000-2005 NSX, 1998-2001 PRELUDE - ES20209

Oxygen Sensor, 4-wire, Thread-in, for use on Acura®, Honda®, Each

Part Number: DFP-ES20209

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 19, 2025 if ordered today

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Estimated Ship Date: Aug 19, 2025 if ordered today

Delphi Oxygen Sensors for 2001-2005 CIVIC - ES10888

Oxygen Sensor, 4-wire, Thread-in, for use on Honda®, Each

Part Number: DFP-ES10888

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

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Estimated Ship Date: Aug 19, 2025 if ordered today

Delphi Oxygen Sensors ES20142

Oxygen Sensor, 4-wire, Thread-in, for use on Acura®, Honda®, Each

Part Number: DFP-ES20142

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

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Estimated Ship Date: Aug 19, 2025 if ordered today

Delphi Oxygen Sensors ES20063

Oxygen Sensor, 4-wire, Thread-in, for use on Acura®, Honda®, Isuzu, Each

Part Number: DFP-ES20063

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

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Estimated Ship Date: Aug 19, 2025 if ordered today

Delphi Oxygen Sensors for 2002 ACCORD, 2001-2005 CIVIC, 2002-2006 RSX - ES20215

Oxygen Sensor, 4-wire, Thread-in, for use on Acura®, Honda®, Each

Part Number: DFP-ES20215

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

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Estimated Ship Date: Aug 19, 2025 if ordered today

Bosch Premium Original Equipment-Type Oxygen Sensors for 2000-2002 ACCORD, 2001-2005 CIVIC, 2001-2004 ODYSSEY - 13377

Oxygen Sensors, Premium Original Equipment-Type, Upstream, for use on Honda®, Each

Part Number: BCH-13377

Not Yet Reviewed

Estimated Ship Date: Aug 11, 2025 if ordered today

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Estimated Ship Date: Aug 11, 2025 if ordered today

Bosch Premium Original Equipment-Type Oxygen Sensors for 2001-2005 CIVIC - 13707

Oxygen Sensors, Premium Original Equipment-Type, Downstream, for use on Honda®, 1.7L, Each

Part Number: BCH-13707

Not Yet Reviewed

Estimated Ship Date: Aug 11, 2025 if ordered today

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Estimated Ship Date: Aug 11, 2025 if ordered today

Bosch Premium Original Equipment-Type Oxygen Sensors for 2001-2005 CIVIC, 2002-2004 RSX - 13680

Oxygen Sensor, OE Replacement, Each

Part Number: BCH-13680

Not Yet Reviewed

Estimated Ship Date: Aug 11, 2025 if ordered today

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Estimated Ship Date: Aug 11, 2025 if ordered today

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