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 - 10 of 10

Delphi Oxygen Sensors ES20008

Oxygen Sensor, 4-wire, Thread-in, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: DFP-ES20008

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 ES20000

Oxygen Sensor, 4-wire, Thread-in, 0-1 V, Cadillac, Chevy, GMC, Each

Part Number: DFP-ES20000

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Delphi Oxygen Sensors ES20007

Oxygen Sensor, 4-wire, Thread-in, Buick, Cadillac, Chevy, GMC, Pontiac, Saturn, Each

Part Number: DFP-ES20007

5.0 out of 5 stars ( 1 )

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 ES20001

Oxygen Sensor, 4-wire, Thread-in, 0-1 V, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: DFP-ES20001

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 ES20003

Oxygen Sensor, 4-wire, Thread-in, Chevy, Oldsmobile, Pontiac, Each

Part Number: DFP-ES20003

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 ES20004

Oxygen Sensor, 4-wire, Thread-in, Saturn, Each

Part Number: DFP-ES20004

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 ES20005

Oxygen Sensor, 4-wire, Thread-in, Pontiac, Toyota, Each

Part Number: DFP-ES20005

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 ES20006

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

Part Number: DFP-ES20006

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 ES20009

Oxygen Sensor, 4-wire, Thread-in, Buick, Cadillac, Chevy, GMC, Each

Part Number: DFP-ES20009

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 ES20002

Oxygen Sensor, 4-wire, Thread-in, 0-1 V, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: DFP-ES20002

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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