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Walker 250-54014 Oxygen Sensor - Upstream
Overview of Walker 250-54014 Oxygen Sensor for Acura RSX
The Walker 250-54014 oxygen sensor is designed specifically for the Acura RSX, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure and accurate installation.
- Heated oxygen sensor for improved response time
- Specific fit for Acura RSX models
- Threaded mounting with 18.0 mm thread diameter
- 15.28-inch wiring harness length with 4 wires
- 20 gauge wire measurement for durability
- Radiused polygon male connector for reliable connection
- Overall length of 18.82 inches for proper fitment
Detailed Product Description
This Walker Products OE oxygen sensor (part number 250-54014) is engineered to meet the exact specifications of the Acura RSX. The heated sensor type ensures faster warm-up times, which helps the engine control unit (ECU) maintain optimal air-fuel mixture for efficient combustion and reduced emissions. The sensor’s 4-wire design includes a heating element and signal wires, enhancing sensor responsiveness and durability.
The wiring harness length of 15.28 inches allows for proper routing within the engine bay, while the 20 gauge wire measurement supports reliable electrical conductivity. The radiused polygon male connector ensures a secure and precise connection to the vehicle’s wiring harness, minimizing the risk of signal loss or disconnection. The threaded mounting type with an 18.0 mm diameter provides a secure fit into the exhaust system, maintaining sensor stability under various operating conditions.
Walker Products OE Brand Line
Walker Products OE is a product line focused on delivering original equipment quality and fitment. This oxygen sensor is part of that line, ensuring compatibility and performance that align with factory standards. Choosing a Walker Products OE sensor like the 250-54014 helps maintain the integrity of your Acura RSX’s emission control system.
Common Applications and Issues Addressed
- Restores accurate oxygen level readings for proper fuel mixture
- Helps resolve rough idling and engine hesitation
- Reduces increased emissions and failed emissions tests
- Prevents check engine light related to oxygen sensor faults
- Improves fuel efficiency by optimizing combustion
Installation Notes and Tips
- Ensure the vehicle is cool before sensor removal to avoid burns
- Use appropriate oxygen sensor socket for threaded removal and installation
- Check connector compatibility with the radiused polygon male plug
- Do not over-tighten; torque to manufacturer specifications
- Inspect wiring harness for damage before installation
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using the 250-54014 oxygen sensor helps ensure reliable operation of your Acura RSX’s emission control system.
| Brand | Walker |
| Part Number | 250-54014 |
| Position | Walker Products OE, Upstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 18.82 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 15.28 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2004 | Acura | RSX | Automatic | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2004 | Acura | RSX | Automatic | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 2003 | Acura | RSX | Automatic | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2003 | Acura | RSX | Automatic | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 2002 | Acura | RSX | Automatic | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2002 | Acura | RSX | 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.