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Denso 234-9306 Air / Fuel Ratio Sensor - Downstream, Downstream Left or Downstream Right
| Brand | Denso 234-9306 |
|---|---|
| Position | Downstream Right, Downstream Left, and Downstream |
| Wiring Harness Length | 23.62 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Grade Type | Regular |
| Product line | Air / Fuel Ratio Sensor - OE Style |
| Fits | Lexus · 6 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Built to reach operating temperature quickly for reliable readings.
4-wire design. A regular-grade air/fuel ratio sensor for emission control systems.
Cross-references Toyota 8946750150 and Toyota 8946750160 for the same application. See all 2.
Denso OE Style Air/Fuel Ratio Sensor
Denso Part Number 234-9306 is an OE Style heated air/fuel ratio sensor built for specific-fit replacement on select Lexus LS500 applications. It is engineered for direct replacement and first-time fit, with the wiring harness length and 4-wire configuration matched to the application.
- Heated air/fuel ratio sensor for precise exhaust feedback
- Specific fit design for direct replacement on listed vehicles
- 4-wire construction for the correct OE-style electrical connection
- 23.62 in. wiring harness length
- Regular grade type for standard replacement service
OE Style Product Line Details
Denso’s OE Style line focuses on replacement parts built to match original equipment fit and function. For this sensor, that means the part is precision-built and tested to OE standards so it installs in the intended location without modification. Denso 234-9306 is also cross-referenced to Toyota 8946750150 and 8946750160 for the same application.
Vehicle Fitment
- Fits 2023-2024 Lexus LS500, downstream.
- Fits 2019-2020 Lexus LS500, downstream.
- Fits 2018 Lexus LS500, downstream right, AWD.
- Fits 2018 Lexus LS500, downstream left, AWD.
Common Replacement Reasons
- Check engine light related to air/fuel ratio sensor performance
- Rough idle or inconsistent fuel trim readings
- Delayed or inaccurate exhaust oxygen feedback
- Emissions test failure tied to sensor response
- Replacement of a worn downstream sensor on Lexus LS500 models
Installation Notes
Confirm the downstream sensor location before ordering, since 2018 Lexus LS500 AWD applications use left and right positions. Match the connector style, wire count, and harness length to the original sensor before installation. Verify the part number 234-9306 against the vehicle’s original equipment reference when servicing a Lexus LS500.
Quality Assurance
Denso manufactures and tests this sensor to OE standards for accurate replacement fit and consistent performance. The OE Style design supports direct installation on the listed Lexus LS500 applications and follows the original equipment replacement format.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2024 | Lexus | LS500 | AWD | Downstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2023 | Lexus | LS500 | AWD | Downstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2020 | Lexus | LS500 | AWD | Downstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2019 | Lexus | LS500 | AWD | Downstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2018 | Lexus | LS500 | — | Downstream Right | AWD; OE Style |
| 2018 | Lexus | LS500 | — | Downstream Left | AWD; OE Style |
| No rows match your filter. | |||||