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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...
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 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.
Showing In Stock Items. Show All 42 Items.
Oxygen Sensor, Universal, Heated, Thread-In Mounting, Each
Part Number: DNP-234-4210
Estimated Ship Date: Today
Estimated Ship Date: Today
Oxygen Sensor, Universal, Heated, Thread-In Mounting, Each
Part Number: DNP-234-4209
Estimated Ship Date: Today
Estimated Ship Date: Today
Oxygen Sensor, Universal Replacement, OE SmartLink™, Each
Part Number: BCH-15733
Estimated Ship Date: Today
Estimated Ship Date: Today
Oxygen Sensor, Universal, Unheated, Thread-In Mounting, Each
Part Number: DNP-234-2000
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Mazda, Each
Part Number: DNP-234-4141
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Oxygen Sensor, 4-wire, Thread-in, Ford, Mazda, Each
Part Number: DFP-ES20040
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Oxygen Sensor, 4-wire, Thread-in, Mazda, Each
Part Number: DFP-ES20067
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Oxygen Sensor, 4-wire, Thread-in, Mazda, Each
Part Number: DFP-ES10903
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Oxygen Sensor, 4-wire, Thread-in, Mazda, Each
Part Number: DFP-ES20068
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Ford, Mazda, Each
Part Number: DNP-234-4068
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Oxygen Sensor, 4-wire, Thread-in, Ford, Mazda, Each
Part Number: DFP-ES20038
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Oxygen Sensor, 3-wire, Thread-in, Mazda, Each
Part Number: DFP-ES10681
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
OXYGEN SENSOR
Part Number: SGT-OS5366
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Oxygen Sensor, Mazda, Each
Part Number: SGT-OS6106
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Oxygen Sensor, Universal Replacement, OE SmartLink™, Each
Part Number: BCH-15730
Estimated Ship Date: Today
Estimated Ship Date: Today
Oxygen Sensor, Universal, Heated, Thread-In Mounting, Each
Part Number: DNP-234-3000
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Ford, Mazda, Each
Part Number: DNP-234-4067
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Oxygen Sensor, 4-wire, Thread-in, Ford, Mazda, Suzuki, Each
Part Number: DFP-ES20037
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Oxygen Sensor, 4-wire, Thread-in, Mazda, Each
Part Number: DFP-ES20186
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Mazda, Each
Part Number: DNP-234-4142
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Mazda, Each
Part Number: DNP-234-4147
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
OXYGEN SENSOR
Part Number: SGT-OS5180
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
OXYGEN SENSOR
Part Number: SGT-OS5382
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
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