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Walker 250-24433 Oxygen Sensor - Downstream
Overview of Walker 250-24433 Oxygen Sensor
The Walker 250-24433 oxygen sensor is designed specifically for Mercury Quest and Nissan Villager models. 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 sensor type for faster response times
- Specific fit for Mercury Quest and Nissan Villager
- 30.24-inch wiring harness length for convenient installation
- 20 gauge wire measurement with 4 wires for reliable signal transmission
- Radiused polygon female connector for secure connection
- Threaded mounting type with 18.0 mm thread diameter
- Overall length of 33.78 inches for proper fitment
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 250-24433 oxygen sensor from this line is engineered to provide consistent performance and durability, ensuring compatibility and reliability for Mercury Quest and Nissan Villager vehicles.
Product Description and Attributes
This oxygen sensor features a heated design, which allows it to reach operating temperature quickly, improving emissions control efficiency. The 4-wire configuration supports both the sensor signal and the heating element, enhancing sensor responsiveness. The wiring harness length of 30.24 inches and overall length of 33.78 inches provide ample reach for installation in the specified vehicles. The radiused polygon female connector ensures a secure and precise fit, while the threaded mounting type with an 18.0 mm diameter allows for straightforward replacement without modifications.
Common Applications and Issues Addressed
- Helps maintain proper air-fuel ratio for Mercury Quest and Nissan Villager
- Reduces emissions by providing accurate oxygen level readings
- Prevents engine performance issues related to faulty sensors
- Addresses check engine light triggers caused by sensor failure
- Improves fuel efficiency by ensuring correct sensor operation
Installation Notes and Tips
- Ensure vehicle compatibility with Mercury Quest or Nissan Villager before installation
- Use appropriate tools for threaded mounting to avoid damage
- Verify connector type matches the vehicle harness (radiused polygon female)
- Handle wiring harness carefully to prevent damage during installation
- Follow vehicle manufacturer torque specifications for sensor mounting
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 250-24433 part number undergoes rigorous testing to comply with emissions regulations and OEM requirements. Warranty details are provided by the manufacturer and typically cover defects in materials and workmanship.
| Brand | Walker |
|---|---|
| Part Number | 250-24433 |
| Position | Walker Products OE, Downstream |
| Connector Gender | Female |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 33.78 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 30.24 |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2000 | Nissan | Quest | 3.3L | V6 | GAS | Downstream | Downstream placement for vehicles without California emissions certification.; Walker Products OE |
| 2000 | Nissan | Quest | 3.3L | V6 | GAS | Downstream | Downstream Oxygen Sensor compatible with Non-California ESV vehicles.; Walker Products OE |
| 1999 | Mercury | Villager | 3.3L | V6 | GAS | Downstream | Downstream placement for vehicles without California emissions certification.; Walker Products OE |
| 1999 | Mercury | Villager | 3.3L | V6 | GAS | Downstream | Downstream Oxygen Sensor compatible with Non-California ESV vehicles.; Walker Products OE |
| 1999 | Nissan | Quest | 3.3L | V6 | GAS | Downstream | Downstream placement for vehicles without California emissions certification.; Walker Products OE |
| 1999 | Nissan | Quest | 3.3L | V6 | GAS | Downstream | Downstream Oxygen Sensor compatible with Non-California ESV vehicles.; Walker Products OE |
| 1998 | Nissan | Quest | 3.0L | V6 | GAS | Downstream | Downstream oxygen sensor for vehicle installation.; 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.