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Denso 234-4985 Oxygen Sensor - Downstream, Downstream Left or Downstream Right
| Brand | Denso 234-4985 |
|---|---|
| Position | Downstream Left |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 11.18 |
| Product line | OE Style |
| Fits | INFINITI and Nissan · 49 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Helps support quicker operation and consistent performance.
Threaded mounting. Installs with a secure, specific-fit connection.
Cross-references Bosch 16161, Datsun/Nissan 226A0BV80A and Datsun/Nissan 226A0BV81A for the same application. See all 7.
Denso OE Style Oxygen Sensor 234-4985
Denso 234-4985 is an OE-style heated oxygen sensor built for direct replacement on select Nissan and INFINITI applications. It is engineered for a specific fit, threaded mounting, and accurate signal delivery to support proper air-fuel control in downstream sensor locations.
Key Features
- Heated oxygen sensor with a specific-fit design
- Threaded mounting type for OE-style installation
- 4-wire configuration with male connector
- Wiring harness length: 11.18
- Thread diameter: 0.708
- Built to strict OE standards for replacement use
- Uses an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination
OE Style Construction
The Denso OE Style line is designed as a direct replacement for factory oxygen sensors, with precision-built components for first-time fitment. This Denso oxygen sensor 234-4985 is made to match the original application requirements and help maintain consistent engine performance and fuel efficiency in downstream monitoring positions.
This part cross-references Bosch 16161 for the same application.
Vehicle Fitment
- Fits 2020 Nissan Maxima, Downstream Left.
- Fits 2020 Nissan Murano, Downstream Left.
- Fits 2015-2019 INFINITI QX60, Downstream Left.
- Fits 2016-2019 Nissan Maxima, Downstream Left.
- Fits 2015-2019 Nissan Murano, Downstream Left.
- Fits 2015-2019 Nissan Pathfinder, Downstream Left.
- Fits 2017-2019 Nissan Rogue, Downstream.
- Fits 2017-2018 Nissan Altima, Downstream Right.
- Fits 2015-2017 Nissan Juke, Downstream.
- Fits 2015-2017 Nissan Quest, Downstream Right.
- Fits 2015-2016 Nissan Altima, Downstream Left.
Common Replacement Reasons
- Check engine light related to oxygen sensor performance
- Incorrect air-fuel ratio readings from a worn downstream sensor
- Reduced fuel economy caused by degraded sensor response
- Slow or inconsistent sensor output during emissions monitoring
- Direct replacement need for Nissan Maxima, Murano, Pathfinder, Rogue, Altima, Juke, Quest, or INFINITI QX60 applications
Installation Notes
Verify the downstream left, downstream, or downstream right position before ordering. Confirm connector style, wire count, thread diameter, and harness length against the original sensor on the vehicle. For best results, compare the existing part number and connector layout before installation. Denso 234-4985 is intended for specific-fit applications only.
Quality Assurance
Denso manufactures and tests this oxygen sensor to OE-level standards for replacement accuracy and durability. The sensor design includes protection against silicone and lead contamination to help preserve the ceramic element over time.
| Year | Make | Model | Submodel | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Nissan | Maxima | — | — | Downstream Left | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2020 | Nissan | Murano | — | — | Downstream Left | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2019 | INFINITI | QX60 | — | — | Downstream Left | OE Style |
| 2019 | Nissan | Maxima | — | — | Downstream Left | OE Style |
| 2019 | Nissan | Murano | — | — | Downstream Left | OE Style |
| 2019 | Nissan | Pathfinder | — | — | Downstream Left | OE Style |
| 2019 | Nissan | Rogue | — | — | Downstream | OE Style |
| 2018 | INFINITI | QX60 | Base | — | Downstream Left | OE Style |
| 2018 | Nissan | Altima | — | — | Downstream Right | OE Style |
| 2018 | Nissan | Maxima | SV | — | Downstream Left | OE Style |
| 2018 | Nissan | Maxima | SR | — | Downstream Left | OE Style |
| 2018 | Nissan | Maxima | SL | — | Downstream Left | OE Style |
| 2018 | Nissan | Maxima | S | — | Downstream Left | OE Style |
| 2018 | Nissan | Maxima | Platinum | — | Downstream Left | OE Style |
| 2018 | Nissan | Murano | — | — | Downstream Left | OE Style |
| 2018 | Nissan | Pathfinder | SV | — | Downstream Left | OE Style |
| 2018 | Nissan | Pathfinder | SL | — | Downstream Left | OE Style |
| 2018 | Nissan | Pathfinder | S | — | Downstream Left | OE Style |
| 2018 | Nissan | Rogue | — | — | Downstream | OE Style |
| 2017 | INFINITI | QX60 | — | — | Downstream Left | OE Style |
| 2017 | Nissan | Altima | — | — | Downstream Right | OE Style |
| 2017 | Nissan | Juke | SV | AWD | Downstream | OE Style |
| 2017 | Nissan | Juke | SL | AWD | Downstream | OE Style |
| 2017 | Nissan | Juke | S | AWD | Downstream | OE Style |
| 2017 | Nissan | Juke | Nismo | AWD | Downstream | OE Style |
| 2017 | Nissan | Maxima | — | — | Downstream Left | OE Style |
| 2017 | Nissan | Murano | — | — | Downstream Left | OE Style |
| 2017 | Nissan | Pathfinder | — | — | Downstream Left | OE Style |
| 2017 | Nissan | Quest | — | — | Downstream Right | OE Style |
| 2017 | Nissan | Rogue | — | — | Downstream | OE Style |
| 2016 | INFINITI | QX60 | — | — | Downstream Left | OE Style |
| 2016 | Nissan | Altima | — | — | Downstream Left | OE Style |
| 2016 | Nissan | Juke | SV | AWD | Downstream | OE Style |
| 2016 | Nissan | Juke | SL | AWD | Downstream | OE Style |
| 2016 | Nissan | Juke | S | AWD | Downstream | OE Style |
| 2016 | Nissan | Juke | Nismo | AWD | Downstream | OE Style |
| 2016 | Nissan | Maxima | — | — | Downstream Left | OE Style |
| 2016 | Nissan | Murano | — | — | Downstream Left | OE Style |
| 2016 | Nissan | Pathfinder | — | — | Downstream Left | OE Style |
| 2016 | Nissan | Quest | — | — | Downstream Right | OE Style |
| 2015 | INFINITI | QX60 | — | — | Downstream Left | OE Style |
| 2015 | Nissan | Altima | — | — | Downstream Left | OE Style |
| 2015 | Nissan | Juke | SV | AWD | Downstream | OE Style |
| 2015 | Nissan | Juke | SL | AWD | Downstream | OE Style |
| 2015 | Nissan | Juke | S | AWD | Downstream | OE Style |
| 2015 | Nissan | Juke | Nismo | AWD | Downstream | OE Style |
| 2015 | Nissan | Murano | — | — | Downstream Left | OE Style |
| 2015 | Nissan | Pathfinder | — | — | Downstream Left | OE Style |
| 2015 | Nissan | Quest | — | — | Downstream Right | OE Style |
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