Walker 250-241200 Oxygen Sensor - Downstream Left

Overview of Walker OE Oxygen Sensor 250-241200

The Walker Products OE Oxygen Sensor 250-241200 is designed specifically for select Lexus models, including the GS350, IS300, IS350, RC300, and RC350. 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 Lexus GS350, IS300, IS350, RC300, and RC350
• Wiring harness length: 39.88 inches for flexible installation
• Wire gauge measurement: 22 gauge for reliable signal transmission
• Male connector with 18mm thread diameter
• Overall sensor length: 43.43 inches

Walker Products OE Line Details

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor from the Walker Products OE series is engineered to provide consistent performance and durability, ensuring compatibility and reliable operation within the specified Lexus models. The OE line emphasizes precise fitment and robust construction to support emission control systems effectively.

Technical Description and Attributes

This oxygen sensor features a heated design with a 4-wire setup, which includes two wires for the heating element and two for the sensor signal. The 22-gauge wiring ensures stable electrical conductivity, while the 39.88-inch wiring harness length allows for convenient routing during installation. The sensor’s male connector and 18mm thread diameter are designed to match factory specifications, ensuring a secure and proper fit. With an overall length of 43.43 inches, this sensor is tailored for the specific Lexus models listed, providing accurate oxygen level readings to optimize fuel efficiency and reduce emissions.

Common Applications and Problem Resolution

• Restores accurate air-fuel ratio readings for Lexus GS350, IS300, IS350, RC300, and RC350
• Resolves check engine light issues related to oxygen sensor faults
• Improves fuel economy by ensuring proper combustion control
• Reduces harmful emissions by maintaining correct sensor feedback
• Prevents engine performance problems caused by faulty oxygen sensors

Installation Notes and Tips

When installing the Walker 250-241200 oxygen sensor, ensure the vehicle is cool to avoid burns. Disconnect the battery before removal to prevent electrical shorts. Use a proper oxygen sensor socket to avoid damage to the sensor or wiring. Verify the connector gender and thread diameter match the factory specifications for a secure fit. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. This part number 250-241200 undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s long-term functionality.