OE Quality
60-Day Returns

Denso 234-5113 Air / Fuel Ratio Sensor
Overview of the Denso OE Style Air/Fuel Ratio Sensor 234-5113
The Denso OE Style Air/Fuel Ratio Sensor 234-5113 is designed for precise emission control in select Ford, Lincoln, Mazda, and Mercury vehicles. This heated sensor ensures accurate air-to-fuel mixture readings, supporting optimal engine performance and emissions compliance.
- Heated sensor type for faster response times
- Specific fit for Ford, Lincoln, Mazda, and Mercury models
- 16.73-inch wiring harness length for proper installation
- Five-wire configuration with male connector
- Thread diameter of 0.711 inches for secure mounting
- Regular grade type for standard durability
Detailed Product Description
The Denso 234-5113 air/fuel ratio sensor is engineered to provide accurate oxygen level readings in the exhaust stream, enabling the engine control unit to adjust fuel delivery efficiently. Featuring a heated sensor element, it reaches operating temperature quickly, reducing emissions during cold starts. The 16.73-inch wiring harness length and five-wire setup with a male connector ensure compatibility and ease of connection with the vehicle’s existing wiring. This sensor is designed specifically for models such as the Ford F-150, Lincoln MKZ, Mazda Tribute, and Mercury Milan, among others, ensuring a precise fit and reliable operation.
About the OE Style Product Line
The Denso OE Style product line focuses on delivering parts that meet original equipment specifications. The 234-5113 air/fuel ratio sensor maintains the quality and fitment standards expected from factory components, making it a suitable replacement for emission control sensors in compatible vehicles. This line emphasizes direct fit and function, supporting proper engine management and emissions performance.
Common Applications and Issues Addressed
- Helps resolve rough idling caused by incorrect air/fuel mixture
- Reduces engine hesitation and stalling related to faulty sensor readings
- Supports emission system compliance by providing accurate oxygen data
- Prevents check engine light triggers related to air/fuel ratio sensor faults
- Improves fuel efficiency by enabling precise fuel delivery adjustments
Installation Notes and Tips
When installing the Denso 234-5113 sensor, ensure the vehicle is compatible by verifying make and model fitment. The 0.711-inch thread diameter requires proper torque to avoid damage. Handle the sensor carefully to prevent contamination of the sensing element. The 16.73-inch wiring harness length allows for straightforward connection to the vehicle’s harness using the male connector. It is recommended to clear any diagnostic trouble codes after installation to reset the engine control unit.
Quality Assurance and Warranty
Denso manufactures the 234-5113 air/fuel ratio sensor to meet OEM standards for durability and performance. The sensor undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s quality and longevity.
| Brand | Denso |
|---|---|
| Part Number | 234-5113 |
| Position | OE Style, Upstream Right |
| Connector Gender | Male |
| Grade Type | Regular |
| Sensor Type | Heated |
| Thread Diameter | 0.711 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 5 |
| Wiring Harness Length | 16.73 |
This part fits 144 vehicles. Search below:
| Year | Make | Model | Submodel | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Ford | Expedition | Upstream Right | OE Style | ||
| 2020 | Lincoln | Navigator | Upstream Right | OE Style | ||
| 2019 | Ford | Expedition | Upstream Right | OE Style | ||
| 2019 | Ford | Explorer | Upstream | OE Style | ||
| 2019 | Ford | Fiesta | Upstream | OE Style | ||
| 2019 | Ford | Fiesta | Upstream | 6-Pin; OE Style | ||
| 2019 | Ford | Flex | Upstream | OE Style | ||
| 2019 | Ford | Taurus | Upstream | OE Style | ||
| 2019 | Lincoln | MKT | Upstream | OE Style | ||
| 2019 | Lincoln | Navigator | Upstream Right | OE Style | ||
| 2018 | Ford | Expedition | Upstream Right | OE Style | ||
| 2018 | Ford | Explorer | Upstream | OE Style | ||
| 2018 | Ford | Fiesta | Upstream | OE Style | ||
| 2018 | Ford | Fiesta | Upstream | 6-Pin; OE Style | ||
| 2018 | Ford | Flex | Upstream | OE Style | ||
| 2018 | Ford | Taurus | Upstream | OE Style | ||
| 2018 | Lincoln | MKT | Upstream | OE Style | ||
| 2018 | Lincoln | Navigator | Upstream Right | OE Style | ||
| 2017 | Ford | Expedition | Upstream Right | OE Style | ||
| 2017 | Ford | Explorer | Upstream | OE Style | ||
| 2017 | Ford | Fiesta | Upstream | OE Style | ||
| 2017 | Ford | Fiesta | Upstream | 6-Pin; OE Style | ||
| 2017 | Ford | Flex | Upstream | OE Style | ||
| 2017 | Ford | Taurus | Upstream | OE Style | ||
| 2017 | Lincoln | MKT | Upstream | OE Style | ||
| 2017 | Lincoln | Navigator | Upstream Right | OE Style | ||
| 2016 | Ford | E-350 Super Duty | Upstream | OE Style | ||
| 2016 | Ford | Expedition | Upstream Right | OE Style | ||
| 2016 | Ford | Explorer | Upstream | OE Style | ||
| 2016 | Ford | F-150 | Upstream Right | OE Style | ||
| 2016 | Ford | Fiesta | Upstream | 6-Pin; OE Style | ||
| 2016 | Ford | Fiesta | Upstream | OE Style | ||
| 2016 | Ford | Flex | Upstream | OE Style | ||
| 2016 | Ford | Taurus | Upstream | OE Style | ||
| 2016 | Ford | Transit Connect | Upstream | OE Style | ||
| 2016 | Lincoln | MKC | Upstream | OE Style | ||
| 2016 | Lincoln | MKS | Upstream | OE Style | ||
| 2016 | Lincoln | MKT | Upstream | OE Style | ||
| 2016 | Lincoln | Navigator | Upstream Right | OE Style | ||
| 2015 | Ford | E-350 Super Duty | Upstream Left | OE Style | ||
| 2015 | Ford | E-350 Super Duty | Upstream | OE Style | ||
| 2015 | Ford | Expedition | Upstream Right | OE Style | ||
| 2015 | Ford | Explorer | Upstream Right | OE Style | ||
| 2015 | Ford | Explorer | Upstream Left | OE Style | ||
| 2015 | Ford | F-150 | Upstream Right | OE Style | ||
| 2015 | Ford | Fiesta | Upstream | OE Style | ||
| 2015 | Ford | Flex | Upstream | OE Style | ||
| 2015 | Ford | Taurus | Upstream | OE Style | ||
| 2015 | Ford | Transit Connect | Upstream | OE Style | ||
| 2015 | Lincoln | MKC | Upstream | OE Style | ||
| 2015 | Lincoln | MKS | Upstream | OE Style | ||
| 2015 | Lincoln | MKT | Upstream | OE Style | ||
| 2014 | Ford | E-150 | Upstream | OE Style | ||
| 2014 | Ford | E-250 | Upstream | OE Style | ||
| 2014 | Ford | E-350 Super Duty | Upstream Left | OE Style | ||
| 2014 | Ford | E-350 Super Duty | Upstream | OE Style | ||
| 2014 | Ford | Expedition | Upstream Right | OE Style | ||
| 2014 | Ford | Explorer | Upstream Right | OE Style | ||
| 2014 | Ford | Explorer | Upstream Left | OE Style | ||
| 2014 | Ford | F-150 | Upstream Right | OE Style | ||
| 2014 | Ford | Fiesta | Upstream | 5-Wire Sensor; OE Style | ||
| 2014 | Ford | Fiesta | Upstream | OE Style | ||
| 2014 | Ford | Flex | Upstream | OE Style | ||
| 2014 | Ford | Focus | Upstream | OE Style | ||
| 2014 | Ford | Fusion | Upstream | OE Style | ||
| 2014 | Ford | Mustang | Upstream | OE Style | ||
| 2014 | Ford | Taurus | Upstream | OE Style | ||
| 2014 | Ford | Transit Connect | Upstream | OE Style | ||
| 2014 | Lincoln | MKS | Upstream | OE Style | ||
| 2014 | Lincoln | MKT | Upstream | OE Style | ||
| 2014 | Lincoln | Navigator | Upstream Right | OE Style | ||
| 2013 | Ford | C-Max | Upstream | OE Style | ||
| 2013 | Ford | E-150 | Upstream | OE Style | ||
| 2013 | Ford | E-250 | Upstream | OE Style | ||
| 2013 | Ford | E-350 Super Duty | Upstream Left | OE Style | ||
| 2013 | Ford | E-350 Super Duty | Upstream | OE Style | ||
| 2013 | Ford | Expedition | Upstream Right | OE Style | ||
| 2013 | Ford | Explorer | Upstream Rear | OE Style | ||
| 2013 | Ford | Explorer | Upstream Front | OE Style | ||
| 2013 | Ford | F-150 | Upstream Right | OE Style | ||
| 2013 | Ford | Flex | Upstream | OE Style | ||
| 2013 | Ford | Focus | Upstream | OE Style | ||
| 2013 | Ford | Fusion | Upstream | OE Style | ||
| 2013 | Ford | Mustang | Upstream | OE Style | ||
| 2013 | Ford | Taurus | Upstream | OE Style | ||
| 2013 | Lincoln | MKS | Upstream | OE Style | ||
| 2013 | Lincoln | MKT | Upstream | OE Style | ||
| 2013 | Lincoln | Navigator | Upstream Right | OE Style | ||
| 2012 | Ford | E-150 | Upstream | OE Style | ||
| 2012 | Ford | E-250 | Upstream | OE Style | ||
| 2012 | Ford | E-350 Super Duty | Upstream | OE Style | ||
| 2012 | Ford | Escape | ELECTRIC/GAS | Upstream | OE Style | |
| 2012 | Ford | Expedition | Upstream Right | OE Style | ||
| 2012 | Ford | F-150 | Upstream Right | OE Style | ||
| 2012 | Ford | Flex | Upstream | OE Style | ||
| 2012 | Ford | Focus | Upstream | OE Style | ||
| 2012 | Ford | Fusion | ELECTRIC/GAS | Upstream | OE Style | |
| 2012 | Ford | Mustang | Upstream | OE Style | ||
| 2012 | Ford | Taurus | Upstream | OE Style | ||
| 2012 | Lincoln | MKS | Upstream | OE Style | ||
| 2012 | Lincoln | MKT | Upstream | OE Style | ||
| 2012 | Lincoln | MKZ | Upstream | OE Style | ||
| 2012 | Lincoln | Navigator | Upstream Right | OE Style | ||
| 2011 | Ford | E-150 | Upstream | OE Style | ||
| 2011 | Ford | E-250 | Upstream | OE Style | ||
| 2011 | Ford | E-350 Super Duty | Upstream | OE Style | ||
| 2011 | Ford | Escape | ELECTRIC/GAS | Upstream | OE Style | |
| 2011 | Ford | Expedition | Upstream Right | OE Style | ||
| 2011 | Ford | F-150 | Upstream Right | OE Style | ||
| 2011 | Ford | Flex | Upstream | OE Style | ||
| 2011 | Ford | Fusion | ELECTRIC/GAS | Upstream | OE Style | |
| 2011 | Ford | Taurus | Upstream | OE Style | ||
| 2011 | Lincoln | MKS | Upstream | OE Style | ||
| 2011 | Lincoln | MKT | Upstream | OE Style | ||
| 2011 | Lincoln | MKZ | Upstream | OE Style | ||
| 2011 | Lincoln | Navigator | Upstream Right | OE Style | ||
| 2011 | Mercury | Mariner | ELECTRIC/GAS | Upstream | OE Style | |
| 2011 | Mercury | Milan | ELECTRIC/GAS | Upstream | OE Style | |
| 2010 | Ford | E-150 | Upstream | OE Style | ||
| 2010 | Ford | E-250 | Upstream | OE Style | ||
| 2010 | Ford | E-350 Super Duty | Base | Upstream | OE Style | |
| 2010 | Ford | Escape | ELECTRIC/GAS | Upstream | OE Style | |
| 2010 | Ford | Expedition | Upstream Right | OE Style | ||
| 2010 | Ford | F-150 | Upstream Right | OE Style | ||
| 2010 | Ford | F-150 | Upstream | OE Style | ||
| 2010 | Ford | Flex | Upstream | OE Style | ||
| 2010 | Ford | Fusion | ELECTRIC/GAS | Upstream | OE Style | |
| 2010 | Ford | Taurus | Upstream | OE Style | ||
| 2010 | Lincoln | MKS | Upstream | OE Style | ||
| 2010 | Lincoln | MKT | Upstream | OE Style | ||
| 2010 | Lincoln | Navigator | Upstream Right | OE Style | ||
| 2010 | Mazda | Tribute | ELECTRIC/GAS | Upstream | OE Style | |
| 2010 | Mercury | Mariner | ELECTRIC/GAS | Upstream | OE Style | |
| 2010 | Mercury | Milan | ELECTRIC/GAS | Upstream | OE Style | |
| 2009 | Ford | E-150 | Upstream | OE Style | ||
| 2009 | Ford | E-250 | Upstream | OE Style | ||
| 2009 | Ford | E-350 Super Duty | Base | Upstream | OE Style | |
| 2009 | Ford | Escape | ELECTRIC/GAS | Upstream | OE Style | |
| 2009 | Ford | Expedition | Upstream Right | OE Style | ||
| 2009 | Ford | F-150 | Upstream Right | OE Style | ||
| 2009 | Ford | F-150 | Upstream | OE Style | ||
| 2009 | Lincoln | Navigator | Upstream Right | OE Style | ||
| 2009 | Mazda | Tribute | ELECTRIC/GAS | Upstream | OE Style | |
| 2009 | Mercury | Mariner | ELECTRIC/GAS | Upstream | 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.