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Walker 250-54023 Oxygen Sensor - Upstream
Overview of Walker 250-54023 Oxygen Sensor for Acura RSX
The Walker 250-54023 oxygen sensor is designed specifically for the Acura RSX, providing precise emission control and engine performance monitoring. This heated oxygen sensor ensures accurate readings for optimal fuel efficiency and reduced emissions.
- Heated oxygen sensor with 4 wires for reliable operation
- Specific fit for Acura RSX models
- Threaded mounting type with 18.0 mm thread diameter
- Radiused polygon male connector for secure electrical connection
- Wiring harness length of 18.23 inches and overall length of 21.77 inches
- 20 gauge wire for durability and signal integrity
Detailed Features and Specifications
This Walker Products OE oxygen sensor (part number 250-54023) is engineered to meet the exact specifications required by Acura RSX vehicles. The sensor features a heated design, which allows it to reach operating temperature quickly, improving emission control during cold starts. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The radiused polygon male connector provides a secure and precise fit, minimizing the risk of electrical issues. With an 18.0 mm threaded mounting type, installation aligns with factory standards. The wiring harness length of 18.23 inches and overall length of 21.77 inches accommodate the vehicle’s engine bay layout for proper routing and connection.
Walker Products OE Brand Line Information
The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM standards. This oxygen sensor is part of that line, ensuring compatibility and reliability for Acura RSX owners who require a direct replacement part. Walker Products OE parts are designed to integrate seamlessly with vehicle systems, supporting emission control and engine management functions.
Common Applications and Issues Addressed
- Restores accurate oxygen sensing for proper air-fuel mixture control
- Helps resolve engine performance problems such as rough idling or hesitation
- Reduces emissions by ensuring correct catalytic converter operation
- Prevents check engine light triggers related to oxygen sensor faults
- Improves fuel economy by maintaining optimal combustion efficiency
Installation Notes and Tips
When installing the Walker 250-54023 oxygen sensor on an Acura RSX, ensure the engine is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Confirm the connector matches the radiused polygon male design for a secure fit. Properly route the wiring harness to prevent contact with hot or moving engine parts. Torque the sensor to manufacturer specifications to ensure a proper seal and function.
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. This part is backed by Walker’s quality assurance processes, providing confidence in its fitment and function for Acura RSX vehicles. Warranty details are available through Walker and typically cover defects in materials and workmanship.
| Brand | Walker |
|---|---|
| Part Number | 250-54023 |
| Position | Walker Products OE, Upstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 21.77 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 18.23 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Submodel | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2006 | Acura | RSX | Base | Automatic | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2006 | Acura | RSX | Base | Automatic | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 2005 | Acura | RSX | Base | Automatic | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2005 | Acura | RSX | Base | Automatic | 2.0L | 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.