Need expert help? Reach out to us via live chat MON-SAT, 9AM to 5PM ET, for support. Our specialists are ready to assist you!

Please, add your first item to the wishlist

Need expert help? Reach out to us via live chat MON-SAT, 9AM to 5PM ET, for support. Our specialists are ready to assist you!

Please, add your first item to the wishlist

Select vehicle to confirm fitment

Oxygen Sensor – Downstream

PART#: 234-4971
Denso

$118.95

In stock

Interchanges
BrandPart #
BMW11787645875
BMW11788604889
Walker Products250-241192 / 250241192
NTK25744
Walker Products350-34888 / 35034888
Bosch16046
NTK25711
Walker Products350-341018 / 350341018
Walker Products250-241161 / 250241161
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2020BMWX2sDrive28i2.0L4GASDownstreamO.E. Quality Replacement Sensor | Engine Code: B46A20B;
2020BMWX2M35i2.0L4GASDownstreamO.E. Quality Replacement Sensor | Engine Code: B46A20B;
2020BMWX2xDrive28i2.0L4GASDownstreamO.E. Quality Replacement Sensor | Engine Code: B46A20B;
2019BMWX2sDrive28i2.0L4GASDownstreamO.E. Quality Replacement Sensor | Engine Code: B46A20B;
2019BMWX2M35i2.0L4GASDownstreamO.E. Quality Replacement Sensor | Engine Code: B46A20B;
2019BMWX2xDrive28i2.0L4GASDownstreamO.E. Quality Replacement Sensor | Engine Code: B46A20B;
2019BMW640i xDrive Gran CoupeBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2019BMWX1sDrive28i2.0L4GASDownstreamO.E. Quality Replacement Sensor
2019BMWX1xDrive28i2.0L4GASDownstreamO.E. Quality Replacement Sensor
2019MiniCooper ClubmanBase1.5L3GASDownstreamO.E. Quality Replacement Sensor
2019MiniCooper ClubmanALL41.5L3GASDownstreamO.E. Quality Replacement Sensor
2019MiniCooper ClubmanS ALL42.0L4GASDownstreamO.E. Quality Replacement Sensor
2019MiniCooper ClubmanS2.0L4GASDownstreamO.E. Quality Replacement Sensor
2019MiniCooper ClubmanJohn Cooper Works ALL42.0L4GASDownstreamO.E. Quality Replacement Sensor
2019MiniCooperS2.0L4GASDownstreamO.E. Quality Replacement Sensor
2019MiniCooperBase1.5L3GASDownstreamO.E. Quality Replacement Sensor
2019MiniCooperJohn Cooper Works2.0L4GASDownstreamO.E. Quality Replacement Sensor
2019MiniCooper CountrymanS ALL42.0L4GASDownstreamO.E. Quality Replacement Sensor
2019MiniCooper CountrymanS2.0L4GASDownstreamO.E. Quality Replacement Sensor
2019MiniCooper CountrymanBase1.5L3GASDownstreamO.E. Quality Replacement Sensor
2019MiniCooper CountrymanS E ALL41.5L3PLUG-IN HYBRID EV-GAS (PHEV)DownstreamO.E. Quality Replacement Sensor
2019MiniCooper CountrymanJohn Cooper Works ALL42.0L4GASDownstreamO.E. Quality Replacement Sensor
2019MiniCooper CountrymanALL41.5L3GASDownstreamO.E. Quality Replacement Sensor
2018BMWX1xDrive28i2.0L4GASDownstreamO.E. Quality Replacement Sensor
2018BMWX1sDrive28i2.0L4GASDownstreamO.E. Quality Replacement Sensor
2018BMWM2Base3.0L6GASDownstreamO.E. Quality Replacement Sensor
2018BMWX4M40i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2018BMW640iBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2018BMW640i xDriveBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2018BMW640i Gran CoupeBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2018BMW640i xDrive Gran CoupeBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2018BMWX5xDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2018BMWX5sDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2018BMWX6sDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2018BMWX6xDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2018BMWX2xDrive28i2.0L4GASDownstreamO.E. Quality Replacement Sensor
2018BMWX2sDrive28i2.0L4GASDownstreamO.E. Quality Replacement Sensor
2018MiniCooper CountrymanBase1.5L3GASDownstreamO.E. Quality Replacement Sensor
2018MiniCooper CountrymanJohn Cooper Works ALL42.0L4GASDownstreamO.E. Quality Replacement Sensor
2018MiniCooper CountrymanALL41.5L3GASDownstreamO.E. Quality Replacement Sensor
2018MiniCooper CountrymanS2.0L4GASDownstreamO.E. Quality Replacement Sensor
2018MiniCooper CountrymanS ALL42.0L4GASDownstreamO.E. Quality Replacement Sensor
2018MiniCooper CountrymanS E ALL41.5L3PLUG-IN HYBRID EV-GAS (PHEV)DownstreamO.E. Quality Replacement Sensor
2018MiniCooper ClubmanS ALL42.0L4GASDownstreamO.E. Quality Replacement Sensor
2018MiniCooper ClubmanALL41.5L3GASDownstreamO.E. Quality Replacement Sensor
2018MiniCooper ClubmanS2.0L4GASDownstreamO.E. Quality Replacement Sensor
2018MiniCooper ClubmanBase1.5L3GASDownstreamO.E. Quality Replacement Sensor
2018MiniCooper ClubmanJohn Cooper Works ALL42.0L4GASDownstreamO.E. Quality Replacement Sensor
2018MiniCooperS2.0L4GASDownstreamO.E. Quality Replacement Sensor
2018MiniCooperBase1.5L3GASDownstreamO.E. Quality Replacement Sensor
2018MiniCooperJohn Cooper Works2.0L4GASDownstreamO.E. Quality Replacement Sensor
2017BMW640iBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2017BMW640i Gran CoupeBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2017BMW640i xDriveBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2017BMW640i xDrive Gran CoupeBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2017BMWX1sDrive28i2.0L4GASDownstreamO.E. Quality Replacement Sensor
2017BMWX1xDrive28i2.0L4GASDownstreamO.E. Quality Replacement Sensor
2017BMWX4M40i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2017BMWX5sDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2017BMWX5xDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2017BMWX6sDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2017BMWX6xDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2017BMWM2Base3.0L6GASDownstreamO.E. Quality Replacement Sensor
2017MiniCooper ClubmanBase1.5L3GASDownstreamO.E. Quality Replacement Sensor
2017MiniCooper ClubmanALL41.5L3GASDownstreamO.E. Quality Replacement Sensor
2017MiniCooper ClubmanS ALL42.0L4GASDownstreamO.E. Quality Replacement Sensor
2017MiniCooper ClubmanS2.0L4GASDownstreamO.E. Quality Replacement Sensor
2017MiniCooper ClubmanJohn Cooper Works ALL42.0L4GASDownstreamO.E. Quality Replacement Sensor
2017MiniCooperBase1.5L3GASDownstreamO.E. Quality Replacement Sensor
2017MiniCooperJohn Cooper Works2.0L4GASDownstreamO.E. Quality Replacement Sensor
2017MiniCooperS2.0L4GASDownstreamO.E. Quality Replacement Sensor
2017MiniCooper CountrymanS2.0L4GASDownstreamO.E. Quality Replacement Sensor
2017MiniCooper CountrymanBase1.5L3GASDownstreamO.E. Quality Replacement Sensor
2017MiniCooper CountrymanS ALL42.0L4GASDownstreamO.E. Quality Replacement Sensor
2017MiniCooper CountrymanALL41.5L3GASDownstreamO.E. Quality Replacement Sensor
2016BMW640iBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMW640i Gran CoupeBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMW640i xDriveBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMW640i xDrive Gran CoupeBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMW435iBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMW435i Gran CoupeBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMW435i xDriveBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMW435i xDrive Gran CoupeBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMWX4M40i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMWX6xDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMWX6sDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMWX5sDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMWX5xDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMWM235iBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMWM235i xDriveBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMW335i GT xDriveBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016BMWActiveHybrid 5Base3.0L6FULL HYBRID EV-GAS (FHEV)DownstreamO.E. Quality Replacement Sensor
2016BMWX1xDrive28i2.0L4GASDownstreamO.E. Quality Replacement Sensor
2016BMWM2Base3.0L6GASDownstreamO.E. Quality Replacement Sensor
2016MiniCooperJohn Cooper Works2.0L4GASDownstreamO.E. Quality Replacement Sensor
2016MiniCooperS2.0L4GASDownstreamO.E. Quality Replacement Sensor
2016MiniCooperBase1.5L3GASDownstreamO.E. Quality Replacement Sensor
2016MiniCooper ClubmanS2.0L4GASDownstreamO.E. Quality Replacement Sensor
2016MiniCooper ClubmanBase1.5L3GASDownstreamO.E. Quality Replacement Sensor
2015BMW640i Gran CoupeBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMW640i xDrive Gran CoupeBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMW640iBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMW640i xDriveBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMW435iBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMW435i xDriveBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMW435i Gran CoupeBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMW435i xDrive Gran CoupeBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMWActiveHybrid 3Base3.0L6FULL HYBRID EV-GAS (FHEV)DownstreamO.E. Quality Replacement Sensor
2015BMWActiveHybrid 5Base3.0L6FULL HYBRID EV-GAS (FHEV)DownstreamO.E. Quality Replacement Sensor
2015BMWM235iBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMWM235i xDriveBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMW335iBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMW335i GT xDriveBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMW335i xDriveBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMWX5xDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMWX5sDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMWX6xDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015BMWX6sDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2015MiniCooperRoadster John Cooper Works1.6L4GASDownstreamO.E. Quality Replacement Sensor | Engine Code: N18B16C;
2015MiniCooperS1.6L4GASDownstreamO.E. Quality Replacement Sensor | Engine Code: N18B16C;
2015MiniCooperBase1.6L4GASDownstreamO.E. Quality Replacement Sensor | Engine Code: N18B16C;
2015MiniCooperRoadster S1.6L4GASDownstreamO.E. Quality Replacement Sensor | Engine Code: N18B16C;
2015MiniCooperCoupe1.6L4GASDownstreamO.E. Quality Replacement Sensor | Engine Code: N18B16C;
2015MiniCooperJohn Cooper Works1.6L4GASDownstreamO.E. Quality Replacement Sensor | Engine Code: N18B16C;
2015MiniCooperCoupe S1.6L4GASDownstreamO.E. Quality Replacement Sensor | Engine Code: N18B16C;
2015MiniCooperS2.0L4GASDownstreamO.E. Quality Replacement Sensor
2015MiniCooperBase1.5L3GASDownstreamO.E. Quality Replacement Sensor
2015MiniCooperRoadster1.6L4GASDownstreamO.E. Quality Replacement Sensor | Engine Code: N18B16C;
2015MiniCooperCoupe John Cooper Works1.6L4GASDownstreamO.E. Quality Replacement Sensor | Engine Code: N18B16C;
2014BMW435iBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2014BMW435i xDriveBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2014BMW335iBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2014BMWActiveHybrid 5Base3.0L6FULL HYBRID EV-GAS (FHEV)DownstreamO.E. Quality Replacement Sensor
2014BMWActiveHybrid 3Base3.0L6FULL HYBRID EV-GAS (FHEV)DownstreamO.E. Quality Replacement Sensor
2014BMW335i xDriveBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2014BMWX5sDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2014BMWX5xDrive35i3.0L6GASDownstreamO.E. Quality Replacement Sensor
2014BMWM235iBase3.0L6GASDownstreamO.E. Quality Replacement Sensor
2014MiniCooperS2.0L4GASDownstreamO.E. Quality Replacement Sensor
2014MiniCooperBase1.5L3GASDownstreamO.E. Quality Replacement Sensor
Product info

The Denso Oxygen Sensor part number 234-4971 is a high-quality replacement part designed for BMW and Mini vehicles. It is compatible with other part numbers 1,178,764,587, making it a versatile replacement option.

This oxygen sensor features a durable construction that ensures reliable performance for a long time. The sensor is built to withstand extreme temperatures and harsh environments, ensuring accurate readings in all conditions. It also has a fast response time, allowing it to quickly detect changes in oxygen levels in the exhaust system.

The Denso Oxygen Sensor 234-4971 plays a crucial role in regulating the air-fuel ratio in your vehicle, ensuring optimal engine performance and fuel efficiency. It measures the amount of oxygen in the exhaust gas and sends a signal to your car’s engine control unit (ECU) to adjust the fuel injection. This helps to reduce harmful emissions and prolong the life of your vehicle’s engine.

With its easy installation process, the Denso Oxygen Sensor 234-4971 is a cost-effective solution for replacing a faulty sensor. It is designed to meet or exceed OEM specifications, ensuring a perfect fit and reliable performance.

If you’re experiencing poor gas mileage, rough idling, or a check engine light, it may be time to replace your oxygen sensor. The Denso Oxygen Sensor 234-4971 is a high-quality replacement part that will help restore your vehicle’s performance and efficiency.

About Denso

Denso has always been on the cutting edge of car technology, giving drivers better products that are more durable and efficient than anything else on the market.

Alternators are one of Denso's best-known products. Denso alternators are precision-engineered and built to last so that your car's electrical system stays in good shape. If you're going in the city or on rough terrain, you can count on Denso alternators to always give you power and dependability.

In addition to alternators, we also offer Denso radiators. The cooling system in your car is very important for keeping the engine at the right temperature. Denso radiators are carefully designed to make sure they get rid of heat quickly. With Denso radiators, you can drive with trust, knowing that even in the worst conditions, your engine won't get too hot.

Denso starter motors are the best when it comes to getting your car going. Denso starter motors are made to provide reliable ignition in all kinds of weather, and they always make starting easy and smooth. Denso starting motors will get you where you need to go, whether you're taking a cross-country road trip or just running errands in town.

We're happy to offer a huge range of Denso products at prices that can't be beat at Newparts.com. It's easier than ever to find the right Denso generator, radiator, or starter motor for your car thanks to our large selection and simple-to-use website. Also, we offer fast shipping choices so you can get back on the road quickly.

Denso parts are known for being of high quality and dependability. Shop at Newparts.com today to see why drivers trust Denso for all their automotive needs. You can also place your order via phone by calling us at 855-505-2886.

Specifications
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length24.25
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

Delivery Info

Newparts.com is your go to store for all parts and accessories at the best price and delivered quickly. Every order we ship receives a tracking number so that you can watch it all the way until it reaches your door. We only ship using the major shipping carriers like FedEx, UPS and USPS to ensure quick and safe delivery of your new car parts order.

Returns Info

Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.

Free shipping Icon

FREE SHIPPING

Available on all kits, sets & Bison performance products