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Denso 234-5090 Air / Fuel Ratio Sensor - Downstream or Upstream
Overview of the Denso OE Style Air/Fuel Ratio Sensor
The Denso OE Style Air/Fuel Ratio Sensor 234-5090 is designed specifically for Dodge Ram 2500 and 3500 models. This heated sensor ensures accurate air and fuel mixture readings to help maintain optimal engine performance and emissions control.
- Heated sensor type for faster response times
- Specific fit for Dodge Ram 2500 and 3500 models
- 13.15-inch wiring harness length for precise installation
- Five-wire configuration with male connector
- Thread diameter of 0.711 inches for secure mounting
- Regular grade type for reliable operation
Detailed Product Description
The Denso 234-5090 air/fuel ratio sensor is engineered to meet the exact specifications of Dodge Ram 2500 and 3500 trucks. Featuring a heated sensor element, it provides quicker sensor activation and more accurate readings under various operating conditions. The 13.15-inch wiring harness length allows for proper routing and connection without excess slack. This sensor includes five wires and a male connector, ensuring compatibility with the vehicle’s existing wiring harness. The thread diameter of 0.711 inches guarantees a secure and proper fit during installation. As part of Denso's OE Style product line, this sensor is designed to match original equipment performance and fitment, providing a direct replacement solution.
About the OE Style Product Line
Denso's OE Style line focuses on delivering parts that closely replicate original equipment specifications. The OE Style air/fuel ratio sensors are manufactured to provide consistent performance and fitment, making them suitable replacements for factory-installed components. The 234-5090 sensor maintains the quality and reliability expected from Denso while offering a direct fit for Dodge Ram 2500 and 3500 models.
Common Applications and Issues Addressed
- Helps correct air/fuel mixture imbalances
- Resolves rough idling and engine hesitation
- Reduces emissions by providing accurate sensor data
- Prevents check engine light triggers related to sensor faults
- Improves fuel efficiency by optimizing combustion
Installation Notes and Tips
When installing the Denso 234-5090 air/fuel ratio sensor, ensure the vehicle is cooled down to avoid burns. Use the 0.711-inch thread diameter to properly secure the sensor in place without over-tightening. Verify the five-wire harness and male connector align with the vehicle’s wiring harness for a seamless connection. Proper routing of the 13.15-inch wiring harness is essential to avoid damage or interference with other engine components.
Quality Assurance and Warranty
Denso manufactures the 234-5090 sensor to meet strict quality standards, ensuring reliable operation and durability. This part is backed by Denso’s quality assurance processes, providing confidence in its performance as a replacement sensor for Dodge Ram 2500 and 3500 trucks. Please refer to Denso’s warranty policy for specific coverage details.
| Brand | Denso |
|---|---|
| Part Number | 234-5090 |
| Position | OE Style, Downstream |
| Connector Gender | Male |
| Grade Type | Regular |
| Sensor Type | Heated |
| Thread Diameter | 0.711 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 5 |
| Wiring Harness Length | 13.15 |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2012 | Ram | 2500 | Upstream | OE Style | |
| 2012 | Ram | 2500 | Downstream | OE Style | |
| 2012 | Ram | 3500 | Standard Cab Pickup | Upstream | OE Style |
| 2012 | Ram | 3500 | Standard Cab Pickup | Downstream | OE Style |
| 2012 | Ram | 3500 | Extended Crew Cab Pickup | Upstream | OE Style |
| 2012 | Ram | 3500 | Extended Crew Cab Pickup | Downstream | OE Style |
| 2012 | Ram | 3500 | Crew Cab Pickup | Upstream | OE Style |
| 2012 | Ram | 3500 | Crew Cab Pickup | Downstream | OE Style |
| 2011 | Ram | 2500 | Upstream | OE Style | |
| 2011 | Ram | 2500 | Downstream | OE Style | |
| 2011 | Ram | 3500 | Standard Cab Pickup | Upstream | OE Style |
| 2011 | Ram | 3500 | Standard Cab Pickup | Downstream | OE Style |
| 2011 | Ram | 3500 | Extended Crew Cab Pickup | Upstream | OE Style |
| 2011 | Ram | 3500 | Extended Crew Cab Pickup | Downstream | OE Style |
| 2011 | Ram | 3500 | Crew Cab Pickup | Upstream | OE Style |
| 2011 | Ram | 3500 | Crew Cab Pickup | Downstream | OE Style |
| 2010 | Dodge | Ram 2500 | Upstream | OE Style | |
| 2010 | Dodge | Ram 2500 | Downstream | OE Style | |
| 2010 | Dodge | Ram 3500 | Upstream | OE Style | |
| 2010 | Dodge | Ram 3500 | Downstream | OE Style | |
| 2009 | Dodge | Ram 2500 | Upstream | OE Style | |
| 2009 | Dodge | Ram 2500 | Downstream | OE Style | |
| 2009 | Dodge | Ram 3500 | Upstream | OE Style | |
| 2009 | Dodge | Ram 3500 | Downstream | OE Style | |
| 2008 | Dodge | Ram 2500 | Upstream | OE Style | |
| 2008 | Dodge | Ram 2500 | Downstream | OE Style | |
| 2008 | Dodge | Ram 3500 | Upstream | OE Style | |
| 2008 | Dodge | Ram 3500 | Downstream | OE Style | |
| 2007 | Dodge | Ram 2500 | Upstream | OE Style | |
| 2007 | Dodge | Ram 2500 | Downstream | OE Style | |
| 2007 | Dodge | Ram 3500 | Upstream | OE Style | |
| 2007 | Dodge | Ram 3500 | 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.