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Please, add your first item to the wishlist

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Oxygen Sensor – Downstream

PART#: 234-4391
Denso

$79.89

In stock

Interchanges
BrandPart #
MazdaL34B18861A
MazdaL34B18861B
NTK24442
Bosch18073
Walker Products250-24795 / 25024795
Walker Products350-34507 / 35034507
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2013Mazda3Mazdaspeed2.3L4GASDownstreamO.E. Quality Replacement Sensor
2012Mazda3Mazdaspeed2.3L4GASDownstreamO.E. Quality Replacement Sensor
2011Mazda3Mazdaspeed2.3L4GASDownstreamO.E. Quality Replacement Sensor
2010Mazda3Mazdaspeed2.3L4GASDownstreamO.E. Quality Replacement Sensor
2009Mazda3Mazdaspeed2.3L4GASDownstreamO.E. Quality Replacement Sensor | Turbocharged;
2008Mazda3Mazdaspeed2.3L4GASDownstreamO.E. Quality Replacement Sensor | Turbocharged;
2007Mazda3Mazdaspeed2.3L4GASDownstreamO.E. Quality Replacement Sensor | Turbocharged;
Product info

The Denso Oxygen Sensor part number 234-4391 is an essential component for your Mazda’s engine performance. This sensor helps to ensure that your vehicle is running at optimal levels and meets emissions requirements.

One of the key benefits of this particular oxygen sensor is its compatibility with other Mazda part numbers including L34B18861A and L34B18861B, which means you can easily replace your old or damaged sensor with this Denso part.

The 234-4391 oxygen sensor is designed with high-quality materials that provide long-lasting durability and reliability. It features a ceramic element that is resistant to both heat and extreme temperature changes, ensuring accurate readings in all driving conditions.

This oxygen sensor is easy to install and requires no special tools or equipment, making it a convenient option for anyone looking to replace their sensor quickly. Once installed, it will provide accurate readings that help to improve fuel economy, reduce emissions, and keep your engine running smoothly.

Overall, the Denso Oxygen Sensor 234-4391 is a cost-effective solution for maintaining your Mazda’s engine performance and meeting emissions standards. With its compatibility with other Mazda part numbers and high-quality construction, this sensor is a reliable choice for any car enthusiast.

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 Length14.17
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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