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OE Quality
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DensoPart #: 234-9304
Denso 234-9304 Air / Fuel Ratio Sensor - Downstream
47 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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*Free return shipping only qualifies if our fitment verification tool is used.
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Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Air / Fuel Ratio Sensor - OE Style, Downstream
Fitment: Lexus and Toyota, Avalon, Camry, Corolla, ES300h, Grand Highlander, Highlander, NX250, NX350h, RAV4, RX350h, Sienna, and Venza
Easy Returns — Return within 60 days for a full refund
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Not what you need? See all Air / Fuel Ratio Sensor options
Denso 234-9304 Air / Fuel Ratio Sensor - Downstream
| Brand | Denso |
|---|---|
| Part Number | 234-9304 |
| Position | Air / Fuel Ratio Sensor - OE Style, Downstream |
| Wiring Harness Length | 16.34 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Grade Type | Regular |
This part fits 47 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2024 | Lexus | ES300h | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2024 | Lexus | NX250 | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2024 | Lexus | NX350h | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2024 | Lexus | RX350h | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2024 | Toyota | Grand Highlander | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2024 | Toyota | Highlander | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2024 | Toyota | RAV4 | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2024 | Toyota | Sienna | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2024 | Toyota | Venza | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2023 | Lexus | ES300h | Ultra Luxury | Downstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2023 | Lexus | NX250 | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2023 | Lexus | NX350h | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2023 | Lexus | RX350h | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2023 | Toyota | Camry | XSE | Downstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2023 | Toyota | Highlander | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2023 | Toyota | RAV4 | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2023 | Toyota | Sienna | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2023 | Toyota | Venza | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2022 | Lexus | ES300h | Ultra Luxury | Downstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2022 | Lexus | NX250 | Downstream | DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor; Air / Fuel Ratio Sensor - OE Style | |
| 2022 | Lexus | NX350h | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2022 | Toyota | Avalon | Hybrid XSE Nightshade | Downstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2022 | Toyota | Camry | XSE | Downstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2022 | Toyota | Corolla | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2022 | Toyota | Highlander | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2022 | Toyota | RAV4 | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2022 | Toyota | Sienna | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2022 | Toyota | Venza | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2021 | Lexus | ES300h | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2021 | Toyota | Avalon | Hybrid XSE | Downstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2021 | Toyota | Camry | XSE | Downstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2021 | Toyota | Corolla | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2021 | Toyota | Highlander | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2021 | Toyota | RAV4 | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2021 | Toyota | Sienna | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2021 | Toyota | Venza | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2020 | Lexus | ES300h | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2020 | Toyota | Avalon | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2020 | Toyota | Camry | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2020 | Toyota | Corolla | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2020 | Toyota | Highlander | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2020 | Toyota | RAV4 | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2019 | Lexus | ES300h | Downstream | OE Style | |
| 2019 | Toyota | Avalon | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2019 | Toyota | Camry | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2019 | Toyota | RAV4 | Downstream | OE; Air / Fuel Ratio Sensor - OE Style | |
| 2018 | Toyota | Camry | Downstream | OE Style |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
8946733210
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.