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Denso 234-9154 Air / Fuel Ratio Sensor
| Brand | Denso 234-9154 |
|---|---|
| Position | Upstream Left, Upstream Front, Upstream, and Upstream Right |
| Wiring Harness Length | 16.54 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Grade Type | Regular |
| Connector Gender | Male |
| Thread Diameter | 0.708 |
| Product line | Air / Fuel Ratio Sensor - OE Style |
| Fits | Lexus and Toyota · 30 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Helps the sensor reach operating temperature quickly and consistently.
Specific fit. Made for a direct, exact replacement application.
Cross-references NTK 24662, NTK 24827 and NTK 24851 for the same application. See all 13.
Denso OE Style Air/Fuel Ratio Sensor 234-9154
Denso 234-9154 is an OE Style heated air/fuel ratio sensor built for direct replacement in select Toyota and Lexus applications. It is engineered for specific fitment, accurate connector alignment, and a first-time fit on the vehicles listed below.
Key Features
- OE Style replacement air/fuel ratio sensor for emission control systems
- Heated sensor design for faster operating temperature
- Specific fit application with a male connector and 4-wire configuration
- Wiring harness length: 16.54
- Thread diameter: 0.708
- Built to Denso OE standards for precise replacement fitment
Product Details
Denso’s OE Style line focuses on direct-fit replacement parts that match original equipment requirements for form, function, and connector layout. This air/fuel ratio sensor is manufactured and tested to OE-level standards, with attention to sensor response, harness length, and thread specification for proper installation in the intended Toyota and Lexus platforms. The Denso 234-9154 is a practical choice when replacing a worn upstream sensor on vehicles such as the Toyota Camry, Toyota RAV4, and Lexus NX300h.
This part cross-references Toyota 894670E190 and NTK 24662 for the same application.
Vehicle Fitment
- Fits 2020-2021 Lexus NX300h, Upstream
- Fits 2015-2019 Lexus NX300h, Upstream
- Fits 2015-2018 Lexus ES350, Upstream Left
- Fits 2017-2018 Toyota Avalon, Upstream Left
- Fits 2016-2018 Toyota RAV4, Upstream
- Fits 2015-2017 Toyota Camry, Upstream Left
- Fits 2017 Toyota Highlander, Upstream Right
- Fits 2015-2016 Toyota Avalon, Upstream Left
- Fits 2014-2016 Toyota Highlander, Upstream Left
- Fits 2016 Toyota Sienna, Upstream Left
- Fits 2015-2016 Toyota Venza, Upstream Left
- Fits 2015 Lexus RX350, Upstream Front
- Fits 2015 Toyota Sienna, Upstream Left
What It Helps Address
- Faulty upstream air/fuel ratio sensor readings
- Check engine light concerns related to sensor performance
- Rough idle or drivability issues tied to mixture control
- Incorrect fuel trim feedback to the engine control module
- Emission control system faults on Toyota and Lexus models
Installation Notes
Verify the connector style, wire count, thread diameter, and sensor position before installation. This is a specific-fit sensor for upstream locations, including upstream left, upstream right, and upstream front applications shown in the fitment list. Confirm the vehicle year, make, model, and sensor location against the listing before replacing the original part.
Quality Assurance
Denso manufactures and tests this sensor to strict OE standards for consistent replacement quality and accurate fit. The OE Style product line is intended to match original equipment requirements for direct replacement service on the listed Toyota and Lexus vehicles.
| Year | Make | Model | Submodel | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2021 | Lexus | NX300h | — | — | Upstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2020 | Lexus | NX300h | — | — | Upstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2019 | Lexus | NX300h | — | — | Upstream | OE Style |
| 2018 | Lexus | ES350 | — | — | Upstream Left | OE Style |
| 2018 | Lexus | NX300h | — | — | Upstream | OE Style |
| 2018 | Toyota | Avalon | — | — | Upstream Left | OE; Air / Fuel Ratio Sensor - OE Style |
| 2018 | Toyota | RAV4 | — | ELECTRIC/GAS | Upstream | OE Style |
| 2017 | Lexus | ES350 | — | — | Upstream Left | OE Style |
| 2017 | Lexus | NX300h | — | — | Upstream | OE Style |
| 2017 | Toyota | Avalon | XLE | — | Upstream Left | OE; Air / Fuel Ratio Sensor - OE Style |
| 2017 | Toyota | Camry | — | — | Upstream Left | OE Style |
| 2017 | Toyota | Highlander | XLE | GAS | Upstream Right | OE; Air / Fuel Ratio Sensor - OE Style |
| 2017 | Toyota | RAV4 | — | ELECTRIC/GAS | Upstream | OE Style |
| 2016 | Lexus | ES350 | — | — | Upstream Left | OE Style |
| 2016 | Lexus | NX300h | — | — | Upstream | OE Style |
| 2016 | Toyota | Avalon | — | — | Upstream Left | OE Style |
| 2016 | Toyota | Camry | — | — | Upstream Left | OE Style |
| 2016 | Toyota | Highlander | — | GAS | Upstream Left | OE Style |
| 2016 | Toyota | RAV4 | — | ELECTRIC/GAS | Upstream | OE Style |
| 2016 | Toyota | Sienna | — | — | Upstream Left | OE Style |
| 2016 | Toyota | Venza | — | — | Upstream Left | OE Style |
| 2015 | Lexus | ES350 | — | — | Upstream Left | OE Style |
| 2015 | Lexus | NX300h | — | — | Upstream | OE Style |
| 2015 | Lexus | RX350 | — | — | Upstream Front | OE Style |
| 2015 | Toyota | Avalon | — | — | Upstream Left | OE Style |
| 2015 | Toyota | Camry | — | — | Upstream Left | OE Style |
| 2015 | Toyota | Highlander | — | GAS | Upstream Left | OE Style |
| 2015 | Toyota | Sienna | — | — | Upstream Left | From 09/2014; OE Style |
| 2015 | Toyota | Venza | — | — | Upstream Left | OE Style |
| 2014 | Toyota | Highlander | — | GAS | Upstream Left | OE Style |
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