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Denso 234-4926 Oxygen Sensor - Downstream or Downstream Right
| Brand | Denso 234-4926 |
|---|---|
| Position | Downstream and Downstream Right |
| Wiring Harness Length | 16.22 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Connector Gender | Male |
| Thread Diameter | 0.708 |
| Mounting Type | Threaded |
| Product line | OE Style |
| Fits | Toyota · 22 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Helps support quicker operation and consistent readings.
Threaded mounting. Installs with a secure, specific-fit connection.
Cross-references NTK 24581, Toyota 894650C300 and Toyota 894670C300 for the same application. See all 12.
Denso OE Style Oxygen Sensor 234-4926
Denso 234-4926 is an OE-style heated oxygen sensor built for exact replacement on select Toyota applications. It is engineered for a specific fit and uses a 4-wire, threaded design with a male connector for direct installation on the listed downstream positions.
Key Features
- Heated oxygen sensor for downstream exhaust monitoring
- Specific-fit design for the listed Toyota applications
- 4-wire configuration with male connector
- Threaded mounting with 0.708 in. thread diameter
- 16.22 in. wiring harness length
- OE Style replacement from Denso, part number 234-4926
OE Style Construction
Denso’s OE Style line is built to match original equipment fit and function for the application. This sensor uses precision-built components for first-time fitment and includes Denso’s aluminum oxide trap layer, which helps protect the ceramic element from silicone and lead contamination. For drivers servicing Toyota Tundra, Toyota Sequoia, or Toyota Tacoma exhaust systems, this OE-style replacement supports accurate downstream sensor operation and consistent engine management.
This part cross-references NTK 24581 for the same application.
Vehicle Fitment
- Fits 2019 Toyota Sequoia, Downstream Right, OE Style
- Fits 2015-2017 Toyota Sequoia, Downstream Right, OE Style
- Fits 2013-2019 Toyota Tundra, Downstream Right, OE Style
- Fits 2018 Toyota Sequoia, Downstream Right, To 08/2017; OE Style
- Fits 2015 Toyota Tacoma, Downstream, To 01/2015; OE Style
- Fits 2014 Toyota Sequoia, Downstream Right, From 08/2013; OE Style
- Fits 2013-2014 Toyota Tacoma, Downstream, OE Style
What It Helps Address
- Check engine light related to downstream oxygen sensor faults
- Incorrect exhaust oxygen readings affecting fuel control
- Reduced fuel economy caused by a failing sensor
- Slow sensor response or heater circuit issues
- Contamination-related sensor degradation in the exhaust stream
Installation Notes
Confirm the connector style, wire count, and threaded mounting before installation. This Denso 234-4926 sensor is a specific-fit replacement for the listed Toyota Tundra, Toyota Sequoia, and Toyota Tacoma applications, so matching the downstream right or downstream position is important. Inspect the harness routing and exhaust threads during replacement to ensure proper seating and secure connection.
Quality Assurance
Denso manufactures and tests this oxygen sensor to OE standards for fit, function, and durability. The OE-style design is intended to provide the correct replacement part for the application on the first installation.
| Year | Make | Model | Drive Type | Transmission | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | Toyota | Sequoia | — | — | — | Downstream Right | OE Style |
| 2019 | Toyota | Tundra | — | — | GAS | Downstream Right | OE Style |
| 2019 | Toyota | Tundra | — | — | — | Downstream Right | OE Style |
| 2018 | Toyota | Sequoia | — | — | — | Downstream Right | To 08/2017; OE Style |
| 2018 | Toyota | Tundra | — | — | — | Downstream Right | OE Style |
| 2017 | Toyota | Sequoia | — | — | — | Downstream Right | OE Style |
| 2017 | Toyota | Tundra | — | — | — | Downstream Right | OE Style |
| 2016 | Toyota | Sequoia | — | — | GAS | Downstream Right | OE Style |
| 2016 | Toyota | Tundra | — | — | GAS | Downstream Right | OE Style |
| 2016 | Toyota | Tundra | — | — | — | Downstream Right | OE Style |
| 2015 | Toyota | Sequoia | — | — | GAS | Downstream Right | OE Style |
| 2015 | Toyota | Tacoma | 4WD | Manual | — | Downstream | To 01/2015; OE Style |
| 2015 | Toyota | Tacoma | 4WD | Automatic | — | Downstream | To 01/2015; OE Style |
| 2015 | Toyota | Tundra | — | — | GAS | Downstream Right | OE Style |
| 2015 | Toyota | Tundra | — | — | — | Downstream Right | OE Style |
| 2014 | Toyota | Sequoia | — | — | GAS | Downstream Right | From 08/2013; OE Style |
| 2014 | Toyota | Tacoma | 4WD | — | — | Downstream | OE Style |
| 2014 | Toyota | Tundra | — | — | GAS | Downstream Right | OE Style |
| 2014 | Toyota | Tundra | — | — | — | Downstream Right | OE Style |
| 2013 | Toyota | Tacoma | 4WD | — | — | Downstream | OE Style |
| 2013 | Toyota | Tundra | — | — | GAS | Downstream Right | OE Style |
| 2013 | Toyota | Tundra | — | — | — | Downstream Right | OE Style |
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