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Walker 250-241042 Oxygen Sensor - Downstream, Downstream Front or Upstream
Overview of Walker 250-241042 Oxygen Sensor for Acura and Honda
The Walker 250-241042 oxygen sensor is designed specifically for select Acura and Honda models, including the Civic, Civic del Sol, NSX, and TL. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.
- Heated oxygen sensor with 4-wire design for precise readings
- Specific fit for Acura and Honda vehicles, including Civic and NSX
- 18.5-inch wiring harness length with 20-gauge wire for durability
- Threaded mounting type with 18.0 mm thread diameter for secure installation
- Radiused polygon male connector for reliable electrical connection
- Overall length of 19.61 inches for proper fitment
Detailed Product Description and Attributes
This Walker Products OE oxygen sensor (part number 250-241042) features a heated sensor type that allows for faster warm-up times and improved fuel efficiency. The sensor includes a 4-wire configuration with 20-gauge wiring, providing stable signal transmission and durability under high-temperature conditions. The wiring harness length of 18.5 inches offers flexibility during installation, while the radiused polygon male connector ensures a secure and corrosion-resistant connection. The sensor mounts via a threaded design with an 18.0 mm thread diameter, compatible with the exhaust system of specific Acura and Honda models such as the Civic, Civic del Sol, NSX, and TL. The overall length of 19.61 inches supports proper positioning within the exhaust stream for accurate oxygen level detection.
Walker Products OE Brand Line Information
The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with the original sensor installed on Acura and Honda vehicles. Using a Walker Products OE sensor helps maintain emissions compliance and engine efficiency by providing reliable sensor data to the vehicle’s engine control unit.
Common Applications and Issues Addressed
- Restores accurate air-fuel ratio readings for improved engine performance
- Helps resolve check engine light triggers related to oxygen sensor faults
- Reduces emissions by ensuring proper catalytic converter function
- Prevents rough idling and poor fuel economy caused by faulty sensors
- Supports smooth acceleration and engine responsiveness
Installation Notes and Tips
Installation requires removal of the old oxygen sensor and threading the Walker 250-241042 sensor into the exhaust manifold or pipe. Ensure the connector matches the vehicle’s wiring harness and that the sensor is tightened to manufacturer torque specifications. The 18.5-inch wiring harness length provides adequate reach for most installation scenarios on compatible Acura and Honda models. It is recommended to use anti-seize compound on the threads to facilitate future removal.
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 this sensor helps maintain emissions system integrity and supports compliance with environmental regulations.
| Brand | Walker |
|---|---|
| Part Number | 250-241042 |
| Position | Walker Products OE, Downstream Front |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 19.61 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 18.5 |
This part fits 41 vehicles. Search below:
| Year | Make | Model | Submodel | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2005 | Acura | NSX | Manual | 3.2L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 2005 | Acura | NSX | Automatic | 3.0L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 2004 | Acura | NSX | Manual | 3.2L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 2004 | Acura | NSX | Automatic | 3.0L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 2003 | Acura | NSX | Manual | 3.2L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 2003 | Acura | NSX | Automatic | 3.0L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 2002 | Acura | NSX | Manual | 3.2L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 2002 | Acura | NSX | Automatic | 3.0L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 2001 | Acura | NSX | Manual | 3.2L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 2001 | Acura | NSX | Automatic | 3.0L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 2000 | Acura | NSX | Manual | 3.2L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 2000 | Acura | NSX | Automatic | 3.0L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 2000 | Honda | Civic | LX | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 2000 | Honda | Civic | HX | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1999 | Acura | TL | 3.2L | V6 | GAS | Upstream | Non Calif-ESV; No Calif-ESV; Upstream; Walker Products OE | ||
| 1999 | Acura | TL | 3.2L | V6 | GAS | Upstream | Oxygen sensor compatible with California emissions vehicles.; Walker Products OE | ||
| 1999 | Acura | TL | 3.2L | V6 | GAS | Upstream | Upstream oxygen sensor for non-California ESV vehicles.; Walker Products OE | ||
| 1999 | Honda | Civic | LX | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1999 | Honda | Civic | DX | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1999 | Honda | Civic | CX | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1999 | Honda | Civic | HX | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1998 | Honda | Civic | LX | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1998 | Honda | Civic | DX | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1998 | Honda | Civic | CX | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1998 | Honda | Civic | HX | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1997 | Honda | Civic | EX | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1997 | Honda | Civic | DX | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1997 | Honda | Civic | CX | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1997 | Honda | Civic | HX | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1997 | Honda | Civic del Sol | Si | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1997 | Honda | Civic del Sol | S | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1997 | Honda | Civic del Sol | VTEC | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 1996 | Honda | Civic | LX | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 1996 | Honda | Civic | EX | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 1996 | Honda | Civic | DX | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 1996 | Honda | Civic | CX | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 1996 | Honda | Civic | HX | Manual | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1996 | Honda | Civic | HX | Automatic CVT | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1996 | Honda | Civic del Sol | Si | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 1996 | Honda | Civic del Sol | S | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 1996 | Honda | Civic del Sol | VTEC | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific 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.