Walker 250-24454 Oxygen Sensor - Upstream Left

Overview of Walker 250-24454 Oxygen Sensor for Nissan Sentra

The Walker Products OE 250-24454 oxygen sensor is designed specifically for Nissan Sentra models, 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 installation.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Nissan Sentra vehicles
• 12.72-inch wiring harness length for optimal routing
• 20 gauge wire for reliable signal transmission
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 16.26 inches for proper fitment

Detailed Features and Specifications

This Walker 250-24454 oxygen sensor is engineered with a heated sensor element to ensure faster response times and improved accuracy in measuring oxygen levels in the exhaust gases. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, enhancing durability and performance. The wiring harness length of 12.72 inches allows for flexible installation within the engine bay, while the 20 gauge wire ensures consistent electrical conductivity. The sensor’s threaded mounting type with an 18.0 mm diameter thread provides a secure and leak-free fit. Additionally, the radiused polygon male connector is designed to match the factory wiring harness, ensuring compatibility and ease of replacement.

Walker Products OE Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor is part of that line, ensuring it matches the fit, form, and function required for Nissan Sentra vehicles. Using a Walker Products OE sensor helps maintain factory-level emission control and engine management system performance.

Common Applications and Problem Resolution

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Resolves check engine light issues related to oxygen sensor faults
• Helps reduce harmful emissions by providing precise exhaust gas data
• Prevents engine performance problems caused by faulty sensor signals
• Supports proper catalytic converter operation by monitoring oxygen levels

Installation Notes and Tips

When installing the Walker 250-24454 oxygen sensor on a Nissan Sentra, ensure the engine is cool to avoid burns. Use anti-seize compound on the sensor threads if not pre-applied to facilitate future removal. Verify the connector matches the factory harness and secure the wiring harness to prevent damage from heat or moving parts. Torque the sensor to manufacturer specifications to avoid leaks or damage.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Refer to product documentation for exact warranty terms.