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Denso 234-5018 Air / Fuel Ratio Sensor - Upstream Front or Upstream Rear
| Brand | Denso 234-5018 |
|---|---|
| Position | Upstream Rear and Upstream Front |
| Wiring Harness Length | 10.79 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 5 |
| Grade Type | Regular |
| Connector Gender | Male |
| Thread Diameter | 0.711 |
| Product line | OE Style |
| Fits | Acura · 4 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Delivers fast, accurate air/fuel ratio monitoring.
5-wire design. Built with a male connector for straightforward installation.
Cross-references Honda 36531RKGA01, Honda 36541RKGA01 and NTK 24359 for the same application. See all 5.
Denso OE Style Air/Fuel Ratio Sensor
Denso 234-5018 is an OE Style heated air/fuel ratio sensor built for direct replacement on specific applications. It is engineered for exact fit and consistent signal performance, making it a practical choice for 2009-2010 Acura RL upstream sensor service.
For Acura RL owners searching for a direct-fit upstream rear or upstream front air/fuel ratio sensor, this Denso part number 234-5018 follows OE-style dimensions and connector layout for a first-time fit.
Key Features
- Heated air/fuel ratio sensor for faster operating response
- Specific fit design for direct replacement applications
- 5-wire configuration with male connector
- 10.79 wiring harness length
- Thread diameter: 0.711
- OE Style line focused on factory-style replacement fitment
Product Details
Denso manufactures this sensor to OE standards and tests it for replacement accuracy and fit consistency. The OE Style product line is aimed at direct-fit service parts that match the original sensor configuration, helping maintain proper air-fuel feedback in the exhaust system. Part number 234-5018 is listed for 2009-2010 Acura RL upstream rear and upstream front positions.
This part cross-references Honda 36531RKGA01 and NTK 24359 for the same application.
What It Helps Address
- Check engine light related to air/fuel ratio sensor performance
- Rough idle caused by inaccurate exhaust feedback
- Fuel trim issues from a failing upstream sensor
- Slow sensor response during closed-loop operation
- Direct-fit replacement needs on 2009-2010 Acura RL models
Installation Notes
Verify the sensor position before ordering, since this listing covers upstream rear and upstream front applications on the 2009-2010 Acura RL. Match the connector style, wire count, and thread diameter to the original unit before installation. Use proper sensor removal tools and follow factory service procedures for routing and tightening.
Quality Assurance
Denso states that its air/fuel ratio sensors are manufactured and tested to strict OE standards, with precision-built components intended to match the original part for accurate replacement fitment.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Acura | RL | Upstream Rear | OE Style |
| 2010 | Acura | RL | Upstream Front | OE Style |
| 2009 | Acura | RL | Upstream Rear | OE Style |
| 2009 | Acura | RL | Upstream Front | OE Style |
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