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Select vehicle to confirm fitment

Air / Fuel Ratio Sensor – Upstream

PART#: 234-9143
Denso

$125.49

In stock

Interchanges
BrandPart #
Toyota8946778010
Toyota8946730080
Toyota8946735130
Toyota8946724020
Toyota8946735120
Toyota8946753070
Toyota8946750080
Toyota8946711050
Walker Products250-54050 / 25054050
NTK24833
Walker Products350-64073 / 35064073
Walker Products250-54066 / 25054066
NTK24828
Walker Products350-64064 / 35064064
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2019LexusNX300F Sport2.0L4GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019LexusNX300Base2.0L4GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019LexusLC500Base5.0V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019LexusRC350F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019LexusRC350Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019LexusGS350Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019LexusGS350F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019LexusRC300Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019LexusRC300F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019LexusGS FBase5.0V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019LexusRC FBase5.0V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019Toyota4RunnerTRD Off-Road4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019Toyota4RunnerLimited4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019Toyota4RunnerTRD Off-Road Premium4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019Toyota4RunnerSR54.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019Toyota4RunnerSR5 Premium4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2019Toyota4RunnerTRD Pro4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018LexusLC500Base5.0V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018LexusRC300Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018LexusRC300F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018LexusRC FBase5.0V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018LexusNX300F Sport2.0L4GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018LexusNX300Base2.0L4GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018LexusRC350F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2018LexusRC350Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2018LexusGS350Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018LexusGS350F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018LexusGS450hBase3.5V6FULL HYBRID EV-GAS (FHEV)Upstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018LexusGS450hF Sport3.5V6FULL HYBRID EV-GAS (FHEV)Upstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018LexusGS FBase5.0V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018Toyota4RunnerTRD Off-Road4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018Toyota4RunnerLimited4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018Toyota4RunnerSR54.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018Toyota4RunnerTRD Pro4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018Toyota4RunnerSR5 Premium4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2018Toyota4RunnerTRD Off-Road Premium4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017LexusNX200tF Sport2.0L4GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017LexusNX200tBase2.0L4GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017LexusRC FBase5.0V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017LexusRC300Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017LexusRC300F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017LexusRC350Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2017LexusRC350F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2017LexusIS300Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017LexusIS300F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017LexusGS FBase5.0V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017LexusLS460F Sport4.6V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | RWD;
2017LexusLS460Base4.6V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | RWD;
2017LexusLS460L4.6V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | RWD;
2017LexusGS350Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017LexusGS350F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017LexusGS450hF Sport3.5V6FULL HYBRID EV-GAS (FHEV)Upstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017LexusGS450hBase3.5V6FULL HYBRID EV-GAS (FHEV)Upstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017LexusIS350F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2017LexusIS350Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2017Toyota4RunnerSR54.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017Toyota4RunnerTRD Pro4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017Toyota4RunnerLimited4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2017Toyota4RunnerTRD Off-Road4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016LexusNX200tF Sport2.0L4GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016LexusNX200tBase2.0L4GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016LexusRC FBase5.0V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016LexusRC350Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2016LexusRC350F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2016LexusIS300Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016LexusIS300F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016LexusIS350Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2016LexusIS350F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2016LexusLS460Base4.6V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | RWD;
2016LexusLS460F Sport4.6V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | RWD;
2016LexusLS460L4.6V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | RWD;
2016LexusGS450hF Sport3.5V6FULL HYBRID EV-GAS (FHEV)Upstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016LexusGS450hBase3.5V6FULL HYBRID EV-GAS (FHEV)Upstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016LexusGS350F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016LexusGS350Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016LexusRC300Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016LexusRC300F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016LexusGS FBase5.0V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016Toyota4RunnerSR54.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016Toyota4RunnerTrail4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016Toyota4RunnerTRD Pro4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2016Toyota4RunnerLimited4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2015LexusIS250Base2.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2015LexusIS250C F Sport2.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2015LexusIS250C2.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2015LexusIS250F Sport2.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2015LexusIS350Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2015LexusIS350C F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2015LexusIS350F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2015LexusIS350C3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2015LexusNX200tBase2.0L4GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2015LexusNX200tF Sport2.0L4GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2015LexusGS350Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2015LexusGS350F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2015LexusGS450hBase3.5V6FULL HYBRID EV-GAS (FHEV)Upstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2015LexusGS450hF Sport3.5V6FULL HYBRID EV-GAS (FHEV)Upstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2015LexusRC350F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2015LexusRC350Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2015LexusRC FBase5.0V8GASUpstream RightDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2015LexusLS460F Sport4.6V8GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | RWD;
2015LexusLS460L4.6V8GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | RWD;
2015LexusLS460Base4.6V8GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | RWD;
2015Toyota4RunnerLimited4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2015Toyota4RunnerTRD Pro4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2015Toyota4RunnerSR54.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2015Toyota4RunnerTrail4.0V6GASUpstreamDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor
2014LexusIS250Base2.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2014LexusIS250F Sport2.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2014LexusIS250C F Sport2.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2014LexusIS250C2.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2014LexusIS350F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2014LexusIS350Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2014LexusIS350C F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2014LexusIS350C3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2014LexusLS460F Sport4.6V8GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | RWD;
2014LexusLS460L4.6V8GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | RWD;
2014LexusLS460Base4.6V8GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | RWD;
2014LexusGS350Base3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
2014LexusGS350F Sport3.5V6GASUpstream LeftDENSO is the O.E. Manufacturer / Air Fuel Ratio Sensor | AWD;
Product info

The Denso Air / Fuel Ratio Sensor part number 234-9143 is a high-quality replacement part specifically designed for Lexus and Toyota vehicles. It is compatible with other part numbers 8946711050, 8946724020, 8946730080, and 8946735120, making it a versatile option for various models.

One of the key benefits of the Denso Air / Fuel Ratio Sensor is its accurate measurement of the air-fuel ratio in the engine. This helps to improve fuel efficiency and reduce harmful emissions, ensuring your vehicle runs smoothly and cleanly. The sensor is made with top-quality materials and is built to last, ensuring a long lifespan and reliable performance.

Installation of the Denso Air / Fuel Ratio Sensor is quick and easy, with no special tools or expertise required. Simply replace your old, worn out sensor with this brand new one and enjoy the benefits of improved engine performance and efficiency. Whether you are a professional mechanic or a DIY enthusiast, this replacement part is an excellent choice for anyone looking to improve their vehicle’s performance.

Overall, the Denso Air / Fuel Ratio Sensor part number 234-9143 is a high-quality, reliable replacement part that offers excellent value for money. With its accurate measurement capabilities, durable construction, and easy installation, it is the perfect choice for anyone looking to improve their Lexus or Toyota vehicle’s engine performance and fuel 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
Grade TypeRegular
Sensor TypeHeated
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length9.92
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

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