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Denso 234-4351 Oxygen Sensor
Reliable Oxygen Sensor for Acura, Honda, and Hyundai Vehicles
The Denso OE Style Oxygen Sensor 234-4351 is designed to provide precise emissions control for specific Acura, Honda, and Hyundai models. Engineered with a heated sensor and a threaded mounting type, this oxygen sensor ensures accurate air-fuel mixture readings to help maintain optimal engine performance.
- Heated oxygen sensor for faster response times
- Specific fit for Acura, Honda, and Hyundai models
- Threaded mounting type with 0.708-inch thread diameter
- 21.50-inch wiring harness length with 4 wires
- Male connector for secure electrical connection
Detailed Features and Specifications
This Denso oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 21.50-inch wiring harness length provides adequate reach for installation in the engine bay, while the 4-wire configuration supports both sensor heating and signal transmission. The male connector ensures a reliable electrical connection, and the threaded mounting type with a 0.708-inch diameter allows for secure installation in the exhaust system.
OE Style Product Line Overview
The Denso OE Style product line is designed to meet original equipment specifications, offering a direct replacement for factory-installed parts. This ensures compatibility and performance consistent with the original sensor, making it suitable for vehicles requiring precise emissions control components. The OE Style line focuses on quality and fitment accuracy, which is critical for maintaining vehicle emissions compliance.
Compatible Vehicles and Common Applications
- Acura MDX, RDX, RL, RLX, TL, TLX
- Honda Accord, Accord Crosstour, Crosstour, Pilot, Ridgeline
- Hyundai Accent
- Helps resolve issues such as poor fuel economy, rough idling, and failed emissions tests
- Addresses check engine light triggers related to oxygen sensor faults
Installation Notes and Tips
When installing the Denso 234-4351 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use appropriate tools to avoid damaging the sensor or wiring harness. Verify the male connector is securely attached to the vehicle’s wiring harness to prevent electrical issues. It is recommended to follow vehicle-specific service manuals for torque specifications and installation procedures.
Quality Assurance and Warranty
Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship. Using a sensor from the OE Style line helps maintain vehicle emissions compliance and engine performance.
| Brand | Denso |
| Part Number | 234-4351 |
| Position | OE Style, Downstream, Downstream Rear, Downstream Front, and Downstream Right |
| Wiring Harness Length | 21.50 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Connector Gender | Male |
| Thread Diameter | 0.708 |
| Mounting Type | Threaded |
This part fits 57 vehicles. Search below:
| Year | Make | Model | Submodel | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Acura | RLX | ELECTRIC/GAS | Downstream Right | OE Style | |
| 2020 | Acura | TLX | Downstream Right | OE Style | ||
| 2020 | Honda | Pilot | Downstream Rear | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style | ||
| 2019 | Acura | MDX | Downstream Right | OE Style | ||
| 2019 | Acura | RLX | ELECTRIC/GAS | Downstream Right | OE Style | |
| 2019 | Acura | TLX | Downstream Right | OE Style | ||
| 2019 | Honda | Pilot | Downstream Right | OE Style | ||
| 2019 | Honda | Ridgeline | Downstream Right | OE Style | ||
| 2019 | Hyundai | Accent | Essential | Downstream Right | OE Style | |
| 2018 | Acura | MDX | Downstream Rear | OE Style | ||
| 2018 | Acura | RDX | Downstream Rear | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style | ||
| 2018 | Acura | RLX | Downstream Rear | OE Style | ||
| 2018 | Acura | TLX | Downstream Rear | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style | ||
| 2018 | Honda | Pilot | Downstream Rear | OE Style | ||
| 2018 | Honda | Ridgeline | Downstream Rear | OE Style | ||
| 2017 | Acura | MDX | Downstream Rear | OE Style | ||
| 2017 | Acura | RDX | Downstream Rear | OE Style | ||
| 2017 | Acura | RLX | Downstream Rear | OE Style | ||
| 2017 | Acura | TLX | Downstream Rear | OE Style | ||
| 2017 | Honda | Accord | Downstream Rear | OE Style | ||
| 2017 | Honda | Pilot | Downstream Rear | OE Style | ||
| 2017 | Honda | Ridgeline | Downstream Rear | OE Style | ||
| 2016 | Acura | MDX | Downstream Rear | OE Style | ||
| 2016 | Acura | RDX | Downstream Rear | OE Style | ||
| 2016 | Acura | RLX | Downstream Rear | OE Style | ||
| 2016 | Acura | TLX | Downstream Rear | OE Style | ||
| 2016 | Honda | Accord | Downstream Rear | OE Style | ||
| 2016 | Honda | Pilot | Downstream Rear | OE Style | ||
| 2015 | Acura | MDX | Downstream Rear | OE Style | ||
| 2015 | Acura | RLX | Downstream Rear | OE Style | ||
| 2015 | Acura | TLX | Downstream Rear | OE Style | ||
| 2015 | Honda | Accord | Downstream Rear | OE Style | ||
| 2015 | Honda | Crosstour | Downstream Rear | OE Style | ||
| 2014 | Acura | MDX | Downstream Rear | OE Style | ||
| 2014 | Acura | RLX | Downstream Rear | OE Style | ||
| 2014 | Honda | Accord | Downstream Rear | OE Style | ||
| 2014 | Honda | Crosstour | Downstream Rear | OE Style | ||
| 2013 | Honda | Accord | Downstream Rear | OE Style | ||
| 2013 | Honda | Crosstour | Downstream Rear | OE Style | ||
| 2012 | Acura | RDX | Downstream | OE Style | ||
| 2012 | Acura | RL | Downstream Rear | OE Style | ||
| 2012 | Honda | Crosstour | Downstream Front | OE Style | ||
| 2011 | Acura | RDX | Downstream | OE Style | ||
| 2011 | Acura | RL | Downstream Rear | OE Style | ||
| 2011 | Honda | Accord Crosstour | Downstream Front | OE Style | ||
| 2010 | Acura | RDX | Downstream | OE Style | ||
| 2010 | Acura | RL | Downstream Rear | OE Style | ||
| 2010 | Honda | Accord Crosstour | Downstream Front | OE Style | ||
| 2009 | Acura | MDX | Downstream | OE Style | ||
| 2009 | Acura | RDX | Downstream | OE Style | ||
| 2009 | Acura | RL | Downstream Rear | OE Style | ||
| 2008 | Acura | MDX | Downstream | OE Style | ||
| 2008 | Acura | RDX | Downstream | OE Style | ||
| 2008 | Acura | TL | Downstream | OE Style | ||
| 2007 | Acura | MDX | Downstream | OE Style | ||
| 2007 | Acura | RDX | Downstream | OE Style | ||
| 2007 | Acura | TL | 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.