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Oxygen Sensor – Downstream

PART#: 234-4678
Denso
Interchanges
BrandPart #
BMW11781406621
NTK25618
Walker Products250-24478 / 25024478
ACDelco213-2954 / 2132954
Walker Products350-34272 / 35034272
Bosch15138
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2008BMWZ4M Roadster3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
2008BMWZ4M Coupe3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
2007BMWZ4M Roadster3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
2007BMWZ4M Coupe3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
2006BMWM3Base3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
2006BMWZ4M Coupe3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
2006BMWZ4M Roadster3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
2005BMWM3Base3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
2004BMWM3Base3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
2003BMWM3Base3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
2002BMWM3Base3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
2002BMWZ3M Roadster3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
2002BMWZ3M Coupe3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
2001BMWM3Base3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
2001BMWZ3M Coupe3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
2001BMWZ3M Roadster3.2L6GASDownstreamCylinder 1,2,3; O.E. Quality Replacement Sensor
Product info

The Denso Oxygen Sensor part number 234-4678 for BMW is a high-quality replacement part designed to ensure efficient and reliable performance of your vehicle.

This oxygen sensor has been engineered to meet or exceed OEM specifications, ensuring a precise fit and optimal functionality. Its advanced sensor technology accurately measures the oxygen level in your engine’s exhaust, allowing the engine control module to adjust the air-fuel ratio for optimal fuel efficiency and reduced emissions.

With a durable construction and corrosion-resistant design, this oxygen sensor is built to withstand harsh environmental conditions and provide long-lasting performance. Its plug-and-play design makes installation quick and easy, saving you time and money on repairs.

By replacing your old or worn-out oxygen sensor with the Denso Oxygen Sensor part number 234-4678, you can restore your BMW’s performance and fuel efficiency, as well as reduce harmful emissions. This oxygen sensor is compatible with part number 11781406621, making it a reliable and cost-effective replacement option for your BMW.

In summary, the Denso Oxygen Sensor part number 234-4678 offers reliable and efficient performance, durability, and easy installation for your BMW. Upgrade your vehicle’s oxygen sensor with this high-quality replacement part to improve its performance and reduce emissions.

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 GenderFemale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length41.34
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

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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.

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