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

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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.

Individual Parts

Results 1 - 25 of 298

AutoMeter Wideband Oxygen Sensors 2243

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 4/30/2026

Get up to $150 back after rebate when you buy products from AutoMeter Brands! Go to: http://summitracing.com/go/atm

Get up to $150 back after rebate when you buy AutoMeter Products! Also includes Auto Gage, Dedenbear, Marine, Spek-Pro and Stack Brands. Spend $100-$199 and get $10 back. Spend $200-$449 and get $25 back. Spend $450-$699 and get $50 back. Spend $700-$999 and get $75 back. Spend $1,000-$1,499 and get $100 back. Spend $1,500 or more and get $150 back. Go to http://summitracing.com/go/atm for complete offer information. Valid on purchases made between 3/15/26 and 4/30/26. Rebate submission must be postmarked by 5/31/26. Limit one rebate per household. Allow up to 12 weeks for processing. Purchase amount is the subtotal before taxes and shipping.

Gauge Sending Unit, Oxygen Sensor, Wideband, Electrical, M18 x 1.5, Universal, Each

Part Number: ATM-2243

4.59 out of 5 stars ( 17 )

Estimated Ship Date: Today

  • Mail - In Rebate

    Rebate amount based on part(s) total.

    Rebate Expires: 4/30/2026

    Get up to $150 back after rebate when you buy products from AutoMeter Brands! Go to: http://summitracing.com/go/atm

    Get up to $150 back after rebate when you buy AutoMeter Products! Also includes Auto Gage, Dedenbear, Marine, Spek-Pro and Stack Brands. Spend $100-$199 and get $10 back. Spend $200-$449 and get $25 back. Spend $450-$699 and get $50 back. Spend $700-$999 and get $75 back. Spend $1,000-$1,499 and get $100 back. Spend $1,500 or more and get $150 back. Go to http://summitracing.com/go/atm for complete offer information. Valid on purchases made between 3/15/26 and 4/30/26. Rebate submission must be postmarked by 5/31/26. Limit one rebate per household. Allow up to 12 weeks for processing. Purchase amount is the subtotal before taxes and shipping.

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AutoMeter Narrowband Oxygen Sensors 2244

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 4/30/2026

Get up to $150 back after rebate when you buy products from AutoMeter Brands! Go to: http://summitracing.com/go/atm

Get up to $150 back after rebate when you buy AutoMeter Products! Also includes Auto Gage, Dedenbear, Marine, Spek-Pro and Stack Brands. Spend $100-$199 and get $10 back. Spend $200-$449 and get $25 back. Spend $450-$699 and get $50 back. Spend $700-$999 and get $75 back. Spend $1,000-$1,499 and get $100 back. Spend $1,500 or more and get $150 back. Go to http://summitracing.com/go/atm for complete offer information. Valid on purchases made between 3/15/26 and 4/30/26. Rebate submission must be postmarked by 5/31/26. Limit one rebate per household. Allow up to 12 weeks for processing. Purchase amount is the subtotal before taxes and shipping.

Sending Unit, Oxygen Sensor, Air/Fuel Ratio, Each

Part Number: ATM-2244

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

  • Mail - In Rebate

    Rebate amount based on part(s) total.

    Rebate Expires: 4/30/2026

    Get up to $150 back after rebate when you buy products from AutoMeter Brands! Go to: http://summitracing.com/go/atm

    Get up to $150 back after rebate when you buy AutoMeter Products! Also includes Auto Gage, Dedenbear, Marine, Spek-Pro and Stack Brands. Spend $100-$199 and get $10 back. Spend $200-$449 and get $25 back. Spend $450-$699 and get $50 back. Spend $700-$999 and get $75 back. Spend $1,000-$1,499 and get $100 back. Spend $1,500 or more and get $150 back. Go to http://summitracing.com/go/atm for complete offer information. Valid on purchases made between 3/15/26 and 4/30/26. Rebate submission must be postmarked by 5/31/26. Limit one rebate per household. Allow up to 12 weeks for processing. Purchase amount is the subtotal before taxes and shipping.

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AutoMeter Wideband Oxygen Sensors 5316

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 4/30/2026

Get up to $150 back after rebate when you buy products from AutoMeter Brands! Go to: http://summitracing.com/go/atm

Get up to $150 back after rebate when you buy AutoMeter Products! Also includes Auto Gage, Dedenbear, Marine, Spek-Pro and Stack Brands. Spend $100-$199 and get $10 back. Spend $200-$449 and get $25 back. Spend $450-$699 and get $50 back. Spend $700-$999 and get $75 back. Spend $1,000-$1,499 and get $100 back. Spend $1,500 or more and get $150 back. Go to http://summitracing.com/go/atm for complete offer information. Valid on purchases made between 3/15/26 and 4/30/26. Rebate submission must be postmarked by 5/31/26. Limit one rebate per household. Allow up to 12 weeks for processing. Purchase amount is the subtotal before taxes and shipping.

Gauge Sending Units, Replacement, Air/Fuel Ratio - Wideband Gauge Type, Electrical, M18 x 1.5 Thread, Fits Wide Band Pro Plus Oxygen Sensor Gauges,Kit

Part Number: ATM-5316

Not Yet Reviewed

Estimated Ship Date: Today

  • Mail - In Rebate

    Rebate amount based on part(s) total.

    Rebate Expires: 4/30/2026

    Get up to $150 back after rebate when you buy products from AutoMeter Brands! Go to: http://summitracing.com/go/atm

    Get up to $150 back after rebate when you buy AutoMeter Products! Also includes Auto Gage, Dedenbear, Marine, Spek-Pro and Stack Brands. Spend $100-$199 and get $10 back. Spend $200-$449 and get $25 back. Spend $450-$699 and get $50 back. Spend $700-$999 and get $75 back. Spend $1,000-$1,499 and get $100 back. Spend $1,500 or more and get $150 back. Go to http://summitracing.com/go/atm for complete offer information. Valid on purchases made between 3/15/26 and 4/30/26. Rebate submission must be postmarked by 5/31/26. Limit one rebate per household. Allow up to 12 weeks for processing. Purchase amount is the subtotal before taxes and shipping.

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Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Lexus, Toyota, Each

Part Number: DNP-234-9051

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Oxygen Sensor, OE Style, Heated, Flange Mount, Toyota, Each

Part Number: DNP-234-9001

5.0 out of 5 stars ( 7 )

Estimated Ship Date: May 12, 2026 if ordered today

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

Part Number: DNP-234-9040

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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

Part Number: DNP-234-9038

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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

Part Number: DNP-234-5010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: DNP-234-5098

Not Yet Reviewed

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Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Mercedes-Benz, Each

Part Number: DNP-234-5065

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Lexus, Toyota, Each

Part Number: DNP-234-9042

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

Part Number: DNP-234-5059

Not Yet Reviewed

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Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Saab, Subaru, Each

Part Number: DNP-234-9123

Not Yet Reviewed

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

Part Number: DNP-234-9091

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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

Part Number: DNP-234-9064

Not Yet Reviewed

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

Part Number: DNP-234-5060

Not Yet Reviewed

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Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Lexus, Toyota, Each

Part Number: DNP-234-9009

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 12, 2026 if ordered today

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Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Lexus, Toyota, Each

Part Number: DNP-234-9026

Not Yet Reviewed

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Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Lexus, Toyota, Each

Part Number: DNP-234-9007

Not Yet Reviewed

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

Part Number: DNP-234-9131

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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

Part Number: DNP-234-9062

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Subaru, Volkswagen, Each

Part Number: DNP-234-9138

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Lexus, Toyota, Each

Part Number: DNP-234-9021

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 12, 2026 if ordered today

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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: May 12, 2026 if ordered today

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

Part Number: DNP-234-5176

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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