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Denso 234-8004 Oxygen Sensor
Reliable Oxygen Sensor for Lexus and Toyota Vehicles
The Denso OE Style 234-8004 oxygen sensor is designed to provide accurate emissions monitoring for select Lexus and Toyota models. This heated oxygen sensor ensures optimal engine performance and emission control by delivering precise air-fuel mixture data to the vehicle’s engine management system.
- Heated sensor type for faster response times
- Specific fit for Lexus and Toyota models including Corolla, Highlander, Prius, RX350, and Sienna
- 16.73-inch wiring harness length for proper installation
- Four-wire design with male connector for secure connection
- Threaded mounting type with 0.709-inch thread diameter
About the Denso OE Style Product Line
The OE Style line from Denso offers oxygen sensors engineered to meet original equipment specifications. The 234-8004 sensor maintains factory-level fit, form, and function, ensuring compatibility and reliable performance in emission control systems. This product line focuses on delivering components that align closely with the original parts installed by vehicle manufacturers.
Product Details and Specifications
This oxygen sensor features a heated element to reduce warm-up time, improving sensor accuracy shortly after engine start. The 16.73-inch wiring harness length allows for proper routing and connection within the engine bay. With four wires and a male connector, the sensor integrates seamlessly with the vehicle’s existing wiring harness. The threaded mounting type with a 0.709-inch diameter ensures a secure and leak-free installation.
Compatible Vehicles and Common Applications
- Compatible with Lexus RX350, RX350L, RX450h, RX450hL
- Fits Toyota Corolla, Highlander, Sienna
- Suitable for Toyota Prius, Prius AWD-e, Prius Prime, Prius V
- Used in emission control systems to monitor oxygen levels in exhaust gases
- Helps address issues such as poor fuel economy, rough idling, and failed emissions tests
Installation Notes and Tips
Ensure the vehicle is cool before beginning installation to avoid burns. The threaded mounting type requires proper torque to prevent exhaust leaks. Verify the connector gender matches the vehicle harness for a secure fit. Follow manufacturer torque specifications and safety guidelines during installation.
Quality Assurance and Warranty
Denso OE Style oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed warranties to ensure reliability and customer confidence.
| Brand | Denso |
|---|---|
| Part Number | 234-8004 |
| Position | Oxygen Sensor - OE Style, Downstream Left, Downstream, Downstream Right, and Downstream Front |
| Wiring Harness Length | 16.73 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Connector Gender | Male |
| Thread Diameter | 0.709 |
| Mounting Type | Threaded |
This part fits 58 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2024 | Toyota | Corolla | Downstream | OE; Oxygen Sensor - OE Style | |||
| 2023 | Toyota | Corolla | Downstream | OE; Oxygen Sensor - OE Style | |||
| 2022 | Lexus | RX350 | F Sport | Downstream Left | OE; Oxygen Sensor - OE Style | ||
| 2022 | Lexus | RX350L | Downstream Right | OE; Oxygen Sensor - OE Style | |||
| 2022 | Lexus | RX450h | F Sport | Downstream Right | OE; Oxygen Sensor - OE Style | ||
| 2022 | Lexus | RX450hL | Downstream Left | OE; Oxygen Sensor - OE Style | |||
| 2022 | Toyota | Corolla | Downstream | OE; Oxygen Sensor - OE Style | |||
| 2022 | Toyota | Highlander | XSE | Downstream Right | OE; Oxygen Sensor - OE Style | ||
| 2022 | Toyota | Prius | Downstream | OE; Oxygen Sensor - OE Style | |||
| 2022 | Toyota | Prius AWD-e | Downstream | OE; Oxygen Sensor - OE Style | |||
| 2022 | Toyota | Prius Prime | Downstream | OE; Oxygen Sensor - OE Style | |||
| 2021 | Lexus | RX350 | F Sport | Downstream Left | OE; Oxygen Sensor - OE Style | ||
| 2021 | Lexus | RX350L | Downstream Right | OE; Oxygen Sensor - OE Style | |||
| 2021 | Lexus | RX450h | F Sport | Downstream Right | OE; Oxygen Sensor - OE Style | ||
| 2021 | Lexus | RX450hL | Downstream Left | OE; Oxygen Sensor - OE Style | |||
| 2021 | Toyota | Corolla | Downstream | OE; Oxygen Sensor - OE Style | |||
| 2021 | Toyota | Highlander | XSE | Downstream Right | OE; Oxygen Sensor - OE Style | ||
| 2021 | Toyota | Prius | Downstream | OE; Oxygen Sensor - OE Style | |||
| 2021 | Toyota | Prius AWD-e | Downstream | OE; Oxygen Sensor - OE Style | |||
| 2021 | Toyota | Prius Prime | Downstream | OE; Oxygen Sensor - OE Style | |||
| 2020 | Lexus | RX350 | F Sport | Downstream Front | OE; Oxygen Sensor - OE Style | ||
| 2020 | Lexus | RX350L | Downstream Front | OE; Oxygen Sensor - OE Style | |||
| 2020 | Lexus | RX450h | F Sport | AWD | Downstream Left | OE; Oxygen Sensor - OE Style | |
| 2020 | Lexus | RX450hL | Downstream Left | Fits Japan built vehicles; OE Style | |||
| 2020 | Toyota | Corolla | Downstream | OE; Oxygen Sensor - OE Style | |||
| 2020 | Toyota | Highlander | XLE | Downstream Right | OE; Oxygen Sensor - OE Style | ||
| 2020 | Toyota | Prius | Downstream | OE; Oxygen Sensor - OE Style | |||
| 2020 | Toyota | Prius AWD-e | Downstream | OE; Oxygen Sensor - OE Style | |||
| 2020 | Toyota | Prius Prime | Downstream | OE; Oxygen Sensor - OE Style | |||
| 2020 | Toyota | Sienna | Downstream Left | OE; Oxygen Sensor - OE Style | |||
| 2019 | Lexus | RX350 | Downstream Left | OE Style | |||
| 2019 | Lexus | RX350L | Downstream Left | Fits Japan built vehicles; OE Style | |||
| 2019 | Lexus | RX450h | F Sport | Downstream Left | OE; Oxygen Sensor - OE Style | ||
| 2019 | Lexus | RX450hL | Downstream Left | Fits Japan built vehicles; OE Style | |||
| 2019 | Toyota | Highlander | GAS | Downstream Left | OE Style | ||
| 2019 | Toyota | Prius | Downstream | OE Style | |||
| 2019 | Toyota | Prius AWD-e | Downstream | OE; Oxygen Sensor - OE Style | |||
| 2019 | Toyota | Prius Prime | Downstream | OE Style | |||
| 2019 | Toyota | Sienna | Downstream Left | OE Style | |||
| 2018 | Lexus | RX350 | Downstream Left | Fits Japan built vehicles; OE Style | |||
| 2018 | Lexus | RX350L | Downstream Left | OE Style | |||
| 2018 | Lexus | RX450h | Downstream Left | OE Style | |||
| 2018 | Lexus | RX450hL | Downstream Left | Fits Japan built vehicles; OE Style | |||
| 2018 | Toyota | Highlander | Downstream Left | OE Style | |||
| 2018 | Toyota | Prius | Downstream | OE Style | |||
| 2018 | Toyota | Prius Prime | Downstream | OE Style | |||
| 2018 | Toyota | Sienna | Downstream Left | OE Style | |||
| 2017 | Lexus | RX350 | Downstream Left | OE Style | |||
| 2017 | Lexus | RX450h | Downstream Left | OE Style | |||
| 2017 | Toyota | Highlander | Downstream Left | OE Style | |||
| 2017 | Toyota | Prius | Downstream | OE Style | |||
| 2017 | Toyota | Prius Prime | Downstream | OE Style | |||
| 2017 | Toyota | Prius V | Downstream | OE Style | |||
| 2017 | Toyota | Sienna | Downstream Left | OE Style | |||
| 2016 | Lexus | RX350 | Downstream Left | OE Style | |||
| 2016 | Lexus | RX450h | Downstream Left | OE Style | |||
| 2016 | Toyota | Prius | Downstream | OE Style | |||
| 2016 | Toyota | Sienna | FWD | Downstream Right | OE; Oxygen Sensor - 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.