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Denso 234-9136 Air / Fuel Ratio Sensor - Upstream
| Brand | Denso 234-9136 |
|---|---|
| Position | Upstream |
| Grade Type | Regular |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 16.34 |
| Product line | OE Style |
| Fits | Toyota, Subaru, and Scion · 16 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Delivers fast, consistent air/fuel ratio monitoring.
Manufactured and tested to strict OE standards.
Cross-references Bosch 18082, NTK 24851 and Subaru 22641AA640 for the same application. See all 6.
Denso OE Style Air/Fuel Ratio Sensor
The Denso 234-9136 air/fuel ratio sensor is an OE Style replacement built for direct-fit service on select Subaru, Toyota, and Scion applications. It is a heated, specific-fit sensor with a 4-wire design and a 16.34-inch wiring harness length for a precise replacement on upstream locations.
Denso’s OE Style line focuses on exact replacement parts that match factory fit and function, helping simplify service on vehicles such as the Subaru BRZ and Toyota 86. The 234-9136 is built to the same strict standards Denso uses for OE-level testing and dimensional accuracy.
- Heated air/fuel ratio sensor for upstream placement
- Specific fit for direct replacement service
- 4-wire configuration
- 16.34-inch wiring harness length
- OE Style design for factory-style fitment
- Cross-reference: Bosch 18082
Fitment Details
- Fits 2019-2020 Subaru BRZ, Upstream
- Fits 2013-2018 Subaru BRZ, Upstream
- Fits 2020 Toyota 86, Upstream
- Fits 2017-2019 Toyota 86, Upstream
- Fits 2013-2016 Scion FR-S, Upstream
What This Sensor Helps Address
- Check engine light related to air/fuel ratio sensor performance
- Incorrect upstream sensor readings
- Rough idle or drivability issues tied to mixture control
- Fuel trim faults caused by a worn sensor
- Emissions test failures linked to sensor response problems
Installation Notes and Tips
Confirm upstream sensor location before ordering and match the connector and harness length to the original part. This Denso 234-9136 is a specific-fit replacement, so it should be installed on the listed applications without modification when the vehicle configuration matches the catalog data.
Quality Assurance
Denso manufactures and tests OE Style sensors to strict original-equipment standards, with precision-built components intended to deliver accurate replacement fitment and consistent service performance.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Subaru | BRZ | Upstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2020 | Toyota | 86 | Upstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2019 | Subaru | BRZ | Upstream | OE; Air / Fuel Ratio Sensor - OE Style |
| 2019 | Toyota | 86 | Upstream | OE Style |
| 2018 | Subaru | BRZ | Upstream | OE Style |
| 2018 | Toyota | 86 | Upstream | OE Style |
| 2017 | Subaru | BRZ | Upstream | OE Style |
| 2017 | Toyota | 86 | Upstream | OE Style |
| 2016 | Scion | FR-S | Upstream | OE Style |
| 2016 | Subaru | BRZ | Upstream | OE Style |
| 2015 | Scion | FR-S | Upstream | OE Style |
| 2015 | Subaru | BRZ | Upstream | OE Style |
| 2014 | Scion | FR-S | Upstream | OE Style |
| 2014 | Subaru | BRZ | Upstream | OE Style |
| 2013 | Scion | FR-S | Upstream | OE Style |
| 2013 | Subaru | BRZ | Upstream | OE Style |
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