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 - 17 of 17

Delphi Oxygen Sensors ES20073

Oxygen Sensor, 4-wire, Thread-in, Chevy, Geo, Suzuki, Each

Part Number: DFP-ES20073

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Delphi Oxygen Sensors ES10289

Oxygen Sensor, 3-wire, Thread-in, Audi, Saab, Volvo, Each

Part Number: DFP-ES10289

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Delphi Oxygen Sensors ES20191

Oxygen Sensor, 4-wire, Thread-in, Chevy, Geo, Suzuki, Each

Part Number: DFP-ES20191

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 ES10240

Oxygen Sensor, 3-wire, Thread-in, Audi, Jaguar, Volvo, Each

Part Number: DFP-ES10240

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 ES10242

Oxygen Sensor, 3-wire, Thread-in, Alfa Romeo, Audi, for Hyundai, Jaguar, Saab, Volkswagen, Each

Part Number: DFP-ES10242

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 ES10348

Oxygen Sensor, 2-wire, Thread-in, Dodge, Plymouth, Eagle, for Hyundai, Mitsubishi, Each

Part Number: DFP-ES10348

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Delphi Oxygen Sensors ES10677

Oxygen Sensor, 2-wire, Thread-in, Dodge, Plymouth, Eagle, Mitsubishi, Each

Part Number: DFP-ES10677

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 ES20029

Oxygen Sensor, 4-wire, Thread-in, Dodge, Plymouth, Eagle, Mitsubishi, Each

Part Number: DFP-ES20029

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 ES10849

Oxygen Sensor, 1-wire, Thread-in, Dodge, Plymouth, Eagle, for Hyundai, Mitsubishi, Each

Part Number: DFP-ES10849

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 ES10227

Oxygen Sensor, 1-wire, Thread-in, Chrysler, Dodge, Plymouth, for Hyundai, Mitsubishi, Subaru, Each

Part Number: DFP-ES10227

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 ES20133

Oxygen Sensor, 4-wire, Thread-in, Dodge, Plymouth, Eagle, Mitsubishi, Each

Part Number: DFP-ES20133

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 ES20203

Oxygen Sensor, 4-wire, Thread-in, for Hyundai, Mitsubishi, Each

Part Number: DFP-ES20203

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 ES20204

Oxygen Sensor, 4-wire, Thread-in, for Hyundai, Mitsubishi, Each

Part Number: DFP-ES20204

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 ES20148

Oxygen Sensor, 4-wire, Thread-in, Chrysler, Dodge, Eagle, Mitsubishi, Each

Part Number: DFP-ES20148

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 ES20146

Oxygen Sensor, 4-wire, Thread-in, Dodge, Mitsubishi, Each

Part Number: DFP-ES20146

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 ES20079

Oxygen Sensor, 4-wire, Thread-in, Dodge, Plymouth, Eagle, Mitsubishi, Each

Part Number: DFP-ES20079

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 ES20364

Oxygen Sensor, 4-wire, Thread-in, Land Rover, Each

Part Number: DFP-ES20364

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

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