Top 9 Bank 1 O2 Sensor – Automotive Replacement Oxygen Sensors

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1. ACDelco

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ACDelco AFS138 GM Original Equipment Heated Oxygen Sensor

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ACDelco #ad - Gm-recommended replacement part for your GM vehicle’s original factory component. Manufactured to gM OE specification for fit, form, and function. Detect oxygen content in the exhaust gases to optimize emissions and fuel economy. Offering the quality, reliability, and durability of GM OE.
BrandACDelco #ad
ManufacturerACDelco #ad
Height2.3 Inches
Length7.6 Inches
Weight0.27 Pounds
Width2 Inches
Part NumberAFS138
ModelAFS138
Warranty24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details.

2. KAX

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KAX 234-4668 Oxygen Sensor, Original Equipment Replacement 250-24470 Heated O2 Sensor Air Fuel Ratio Sensor 1 Sensor 2 Upstream Downstream 1Pcs

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KAX #ad - Kax oxygen sensors are easy to install on your vehicle, and come with pre-coated threads to assist installation. Please check fitment and description for accurate information! 100% exact match OE standard 234-4668 oxygen sensor.

Replacing your engine’s oxygen sensor can improve engine performance and fuel economy, reduce harmful emissions, and prevent premature catalytic converter damage. Manufactured to the highest standards, KAX oxygen sensors are durable and resistant to oxidation and high temperatures, ensuring long-term stable performance. Thorough testing by our engineers guarantees 100% accurate data transfer to the engine management system for optimal engine operation and longevity.
BrandKAX #ad
ManufacturerKAX #ad
Part Number0801004KU1

3. SCITOO

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SCITOO Compatible Oxygen Sensor Replacement fit for Downstream SG368 fit 2004-2010 Subaru fitester H4 2.5L 09-10 Exc. Turbo Models

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SCITOO #ad - Wire and lengh - 1pcs 4 wires and 31. 5 inches length. Warranty period - 6 Months Warranty. Note - front and rear oxygen sensors are different do please confirm up and down in the Description.

Turbo models, 2004-2010 subaru Legacy H4 2. 5l 04 engine id ej259, 2004-2006 subaru Baja H4 2. 5l turbo, 2005-2006 saab 9-2X H4 2. 5l. Please contact us via amazon messaging with any fitment issues or check this item description before you placing orders will help to purchase the correct product. Position and fitment - o2 02 sensor rear for 2005-2010 subaru outback h4 2. 5l, 2005-2010 subaru impreza h4 2. 5l, 2004-2010 subaru forester h4 2. 5l 09-10 exc.
BrandSCITOO #ad
ManufacturerSCITOO #ad
Height1.77 Inches
Length5.71 Inches
Width2.56 Inches
Part Number050557-5206-1114141
Model050557-5206-1114141

4. Kwiksen

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Kwiksen Heated 4Pcs Air Fuel Ratio O2 Oxygen Sensor 1 Sensor 2 Upstream Downstream 234-9023 234-9028 234-4048 Replacement For RAV4 2.0L 2001 2002 2003

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Kwiksen #ad - Contact us with any fitment issues or check this item description before you placing orders will help to purchase the correct product. Us based company, you are buying directly from the manufaCTUER!100% Satisfaction Guranteed! Service for 48 continental states, you will get them in 3-5 working days.

Improved protection tube and increased thermal resistance prevents premature sensor failure and long warranty. Guaranteed direct fit for Easy Installation and Great Performance at a Low Price. This is brand new & high quality aftermarket product service with Laser weld and Viton sealing system, Meet the professtional specification as OEM parts, for stable performance & durable.
BrandKwiksen #ad
ManufacturerKwiksen #ad
Height3.15 Inches
Length7.09 Inches
Width7.09 Inches
Part NumberGQLG-0820279290

5. Bosch Automotive

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Bosch 15733 Oxygen Sensor, Universal Fitment

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Bosch Automotive #ad - Special heat-resistant Posi-Lock connectors ensure easy installation. Revolutionary patented submersible connection system protects against water and contamination and withstands the effects of extreme temperature and engine vibration. Coated threads for easy installation. Strip 3/8" of insulation from the end of each wire with a proper wire stripping tool. User-friendly instructions eliminate the need to call a hotline for assistance. Hex size oxygen Sensor: 22 mm.
BrandBosch Automotive #ad
ManufacturerBosch #ad
Height0 Inches
Length0 Inches
Weight0.25 Pounds
Width0 Inches
Part Number15733
Model15733

6. Denso

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Denso 234-4622 Oxygen Sensor

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Denso #ad - The type of sensor is thimble and the thread diameter is 18mm. Note:kindly refer to the user manual provided as a PDF manual in the product description section. Designed to detect the amount of oxygen in the exhaust system. Material- Zirconium. Constructed from high quality material. Easy installation. The mounting type is threaded. Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing. Manufactured with precision to meet OE standards.
BrandDenso #ad
ManufacturerDenso #ad
Height0 Inches
Length0 Inches
Weight0.25 Pounds
Width0 Inches
Part Number234-4622
Model234-4622
WarrantyLIMITED WARRANTY

7. KAX

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Original Equipment Replacement 250-24012 Heated O2 Sensor Air Fuel Ratio Sensor 1 Sensor 2 Upstream Downstream 1Pcs, KAX 234-4012 Oxygen Sensor

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KAX #ad - Replacing your engine’s oxygen sensor can improve engine performance and fuel economy, reduce harmful emissions, and prevent premature catalytic converter damage.

Thorough testing by our engineers guarantees 100% accurate data transfer to the engine management system for optimal engine operation and longevity. Please check fitment and description for accurate information! 100% exact match OE standard 234-4012 oxygen sensor. Manufactured to the highest standards, KAX oxygen sensors are durable and resistant to oxidation and high temperatures, ensuring long-term stable performance. Kax oxygen sensors are easy to install on your vehicle, and come with pre-coated threads to assist installation.
BrandKAX #ad
ManufacturerKAX #ad
Part Number0801012KU1

8. A ABIGAIL

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Heated Upstream Oxygen O2 Sensor 234-4668 Sensor 1 For Avalanche Cobalt Equinox HHR Impala Malibu Silverado 1500 2500 HD 3500 HD Suburban 1500 2500 Tahoe Envoy Sierra Yukon

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A ABIGAIL #ad - Please check your part pictures with our pictures, it must be completely same. If you have any questions or the items you received with problems, contact us directly, we'll provide you with some professional suggestions within 24 hours. Function:lambda sensor can improve engine efficiency performance and fuel economy, reduce CO2 and other harmful emissions, extend expensive Catalytic.

Or it will not fit your car. It will save your time and cost. The high temperature also mskes it stands wear and tear. Please use the year & plug & model drop down bar and check the wire length & make & position to confirm the compatibility before placing orders. Because it is made of SUS310 high temperature resistant material. One year unlimited warranty.

Interchange part no. A abigail oxygen sensor is compatible with bosch 15284 Denso 234-4668. And every single item is heated at 1562℉. This sensor will meet or exceed OEM standards, it is a direct replacement though it is NOT a genuine part. Performance: the metal shroud doesnot look as shiny as other oxygen Sensors. High quality: a abigail oxygen sensor features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing.
BrandA ABIGAIL #ad
ManufacturerA ABIGAIL #ad
Part NumberA44668X

9. Kwiksen

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Kwiksen 4Pcs Air Fuel Ratio Oxygen Sensor 1 Sensor 2 Bank 1 Bank 2 Upstream Downstream Pre-Cat Post-Cat Replacement for Accord EX LX 3.0L V6 Auto Trans 2003-2007

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Kwiksen #ad - Air fuel ratio oxygen sensor 1 sensor 2 for 2005-2008 rl 3. 5l ; for 2003-2006 mdX 3. 5l. For 2006-2008 ridgeline rt - 3. 5l upstream Downstream. 4pcs afr oxygen o2 sensor pre-cat and post-cat for 2003-2007 Accord EX LX- 3. 0l auto Trans. Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchase. 4pcs front & rear air fuel ratio sensor 1, 2 for 2005-2006 Odyssey EX EX-L LX- 3. 5l upstream and Downstream.
BrandKwiksen #ad
ManufacturerKwiksen #ad
Height5.51 Inches
Length7.09 Inches
Width4.72 Inches
Part Number192240