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Walker 250-24435 Oxygen Sensor - Downstream Left
Overview of Walker 250-24435 Oxygen Sensor for Nissan and Infiniti
The Walker Products OE 250-24435 oxygen sensor is designed specifically for select Nissan and Infiniti vehicles, including the Pathfinder and QX4 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 oxygen sensor with 4-wire configuration
- Specific fit for Nissan Pathfinder and Infiniti QX4
- Wiring harness length of 45.59 inches for proper routing
- Threaded mounting type with 18.0 mm thread diameter
- Radiused polygon male connector for secure connection
- Wire gauge measurement of 20 for reliable signal transmission
- Overall length of 49.13 inches for installation compatibility
Walker Products OE Line Details
The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-24435 oxygen sensor is part of this line, ensuring compatibility and performance tailored to the exact requirements of Nissan and Infiniti vehicles. This product line emphasizes precise fitment and durability, supporting emission control systems effectively.
Technical Description and Attributes
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 gases. The wiring harness length of 45.59 inches provides sufficient length for proper installation without excess slack. The sensor’s connector is a radiused polygon male type, designed to fit securely with the vehicle’s wiring harness. The threaded mounting type with an 18.0 mm diameter ensures a tight and reliable fit in the exhaust system. The wire gauge of 20 supports stable electrical signals, contributing to consistent sensor performance.
Common Applications and Problem Solving
- Restores accurate oxygen sensing for proper air-fuel mixture control
- Helps resolve engine performance issues related to faulty sensors
- Reduces emissions by ensuring correct exhaust gas readings
- Prevents check engine light triggers caused by sensor failure
- Supports fuel efficiency by maintaining optimal combustion
Installation Notes and Tips
When installing the Walker 250-24435 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 type matches the vehicle harness before installation. Properly route the wiring harness to prevent contact with hot or moving parts. Torque the sensor to manufacturer specifications to ensure a secure fit.
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number 250-24435 undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Walker |
|---|---|
| Part Number | 250-24435 |
| Position | Walker Products OE, Downstream Left |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 49.13 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 45.59 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2001 | INFINITI | QX4 | 3.5L | V6 | GAS | Downstream Left | To 9/2001; Al 9/2001; Downstream; Left; Walker Products OE |
| 2001 | INFINITI | QX4 | 3.5L | V6 | GAS | Downstream Left | Up to September 2001, downstream left position.; Walker Products OE |
| 2001 | Nissan | Pathfinder | 3.5L | V6 | GAS | Downstream Left | Al 08/2000; Downstream; Left; To 08/2000; Walker Products OE |
| 2001 | Nissan | Pathfinder | 3.5L | V6 | GAS | Downstream Left | Downstream left oxygen sensor compatible with vehicles made up to August 2000.; 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.