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Walker 250-54046 Oxygen Sensor - Upstream
Overview of Walker 250-54046 Oxygen Sensor for Acura and Honda
The Walker 250-54046 oxygen sensor is designed specifically for select Acura and Honda models, including the CR-V, Element, and RSX. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.
- Heated oxygen sensor with 4-wire configuration
- Wiring harness length: 12.32 inches for flexible installation
- Wire gauge measurement: 20 gauge for reliable signal transmission
- Thread diameter: 18.0 mm with threaded mounting type
- Connector features a radiused polygon shape with male gender
- Overall length of 15.87 inches for proper fitment
- Specific fit designed for Acura CR-V, Honda Element, and RSX
Walker Products OE Brand Line Details
The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. The 250-54046 oxygen sensor is part of this line, ensuring compatibility and performance consistent with factory-installed components. This product line emphasizes precise fitment and durability, making it suitable for emission control systems in Acura and Honda vehicles.
Product Features and Technical Specifications
This oxygen sensor features a heated sensor type with a 4-wire design, which allows for faster sensor warm-up and improved accuracy in measuring exhaust oxygen levels. The wiring harness length of 12.32 inches provides sufficient reach for installation without excess slack. The 20 gauge wire ensures stable electrical conductivity, while the radiused polygon male connector guarantees a secure and proper connection to the vehicle’s wiring harness. The sensor’s threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation in the exhaust system. With an overall length of 15.87 inches, this sensor fits precisely in the designated mounting location on compatible Acura and Honda models.
Common Applications and Issues Addressed
- Restores accurate air-fuel ratio readings for improved engine efficiency
- Helps resolve check engine light triggers related to oxygen sensor faults
- Reduces emissions by ensuring proper catalytic converter function
- Improves fuel economy by providing correct sensor data to the ECU
- Prevents rough idling and engine performance issues caused by faulty sensors
Installation Notes and Tips
When installing the Walker 250-54046 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector shape and gender match the vehicle’s wiring harness before installation. Tighten the sensor to the manufacturer’s torque specifications to prevent exhaust leaks. It is recommended to inspect the wiring harness for any damage or corrosion during replacement.
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet strict quality standards and OEM specifications. This ensures reliable performance and durability in emission control applications. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Always refer to the product packaging or manufacturer documentation for exact warranty terms.
| Brand | Walker |
|---|---|
| Part Number | 250-54046 |
| Position | Walker Products OE, Upstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 15.87 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 12.32 |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Submodel | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2010 | Honda | Element | 2.4L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 2010 | Honda | Element | 2.4L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | ||
| 2009 | Honda | Element | 2.4L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 2009 | Honda | Element | 2.4L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | ||
| 2008 | Honda | Element | 2.4L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 2008 | Honda | Element | 2.4L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | ||
| 2007 | Honda | Element | 2.4L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 2007 | Honda | Element | 2.4L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | ||
| 2006 | Acura | RSX | Type-S | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | |
| 2006 | Acura | RSX | Base | Manual | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2006 | Acura | RSX | Type-S | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | |
| 2006 | Acura | RSX | Base | Manual | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 2006 | Honda | CR-V | 2.4L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 2006 | Honda | CR-V | 2.4L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | ||
| 2006 | Honda | Element | 2.4L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 2006 | Honda | Element | 2.4L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | ||
| 2005 | Acura | RSX | Type-S | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | |
| 2005 | Acura | RSX | Base | Manual | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2005 | Acura | RSX | Type-S | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | |
| 2005 | Acura | RSX | Base | Manual | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 2005 | Honda | CR-V | 2.4L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 2005 | Honda | CR-V | 2.4L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | ||
| 2005 | Honda | Element | 2.4L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 2005 | Honda | Element | 2.4L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | ||
| 2004 | Honda | Element | 2.4L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 2004 | Honda | Element | 2.4L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | ||
| 2003 | Honda | Element | 2.4L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 2003 | Honda | Element | 2.4L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
* 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.