Walker 250-24840 Oxygen Sensor - Downstream

Overview of Walker Products OE Oxygen Sensor 250-24840

The Walker Products OE Oxygen Sensor 250-24840 is designed specifically for the Lexus IS300, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Wiring harness length: 33.98 inches
• Wire gauge measurement: 20 gauge
• Heated sensor type for faster response
• Specific fit for Lexus IS300
• Four-wire configuration
• Radiused polygon male connector
• Thread diameter: 18.0 mm
• Overall length: 37.52 inches
• Threaded mounting type

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-24840) is engineered to meet the exact specifications of the Lexus IS300. The heated sensor design allows for quicker warm-up times, improving fuel efficiency and reducing emissions. With a 20-gauge wire and a four-wire setup, this sensor provides reliable signal transmission to the vehicle’s engine control unit. The radiused polygon male connector ensures a secure and precise connection, while the threaded mounting type with an 18.0 mm thread diameter facilitates straightforward installation. The wiring harness length of nearly 34 inches and an overall length of 37.52 inches accommodate the specific routing requirements of the Lexus IS300’s exhaust system.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that match or exceed factory specifications. This oxygen sensor is part of that line, providing a direct replacement solution designed to maintain the emission control system’s integrity on the Lexus IS300. Walker Products OE parts are engineered for durability and consistent performance, supporting compliance with emission standards.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for proper air-fuel mixture
• Helps resolve rough idling and engine hesitation
• Reduces increased fuel consumption caused by faulty sensors
• Prevents check engine light related to oxygen sensor faults
• Supports emission system compliance and reduces exhaust emissions

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-24840 on a Lexus IS300, ensure the engine and exhaust system are cool to avoid burns. Use a proper oxygen sensor socket to avoid damaging the sensor or connector. Verify the connector’s radiused polygon shape matches the vehicle harness for a secure fit. Thread the sensor carefully to avoid cross-threading, and torque to manufacturer specifications. Inspect wiring for any damage before installation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. This part number 250-24840 undergoes rigorous testing to comply with emission control requirements. Warranty details are provided by Walker and typically cover defects in materials and workmanship under normal use.