Walker 250-241116 Oxygen Sensor - Downstream, Upstream or Upstream Right

Overview of Walker 250-241116 Oxygen Sensor for Lexus and Toyota

The Walker Products OE 250-241116 oxygen sensor is designed specifically for select Lexus and Toyota models, including the GS300, GS430, IS300, LS430, SC300, SC430, and Supra. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Lexus and Toyota models listed
• 15.28-inch wiring harness length for proper installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Wire gauge measurement of 20 for durability and signal integrity
• Overall length of 18.82 inches for compatibility with OEM specifications

Walker Products OE Line and Part Specifications

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory standards. The 250-241116 oxygen sensor is engineered to match the exact specifications required by Lexus and Toyota vehicles, ensuring proper fit and function. This sensor’s heated design allows for faster warm-up times, improving emissions control and fuel efficiency shortly after engine start.

Detailed Product Description and Attributes

This oxygen sensor features a 4-wire heated sensor type, which includes two wires for the heating element and two for the sensor signal, enhancing responsiveness and accuracy. The wiring harness length of 15.28 inches provides sufficient reach for installation without excess slack. The connector is a radiused polygon shape with a male gender, designed to fit securely with the vehicle’s wiring harness. The sensor mounts via a threaded connection with an 18.0 mm diameter, matching OEM mounting points. The wire gauge of 20 ensures durability and consistent electrical performance. Overall, the sensor measures 18.82 inches in length, aligning with factory dimensions for seamless integration.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for Lexus GS300 and Toyota Supra models
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing precise emissions data
• Helps reduce harmful exhaust emissions in Lexus IS300 and Toyota SC430
• Prevents engine performance issues caused by faulty sensor signals

Installation Notes and Tips

When installing the Walker 250-241116 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the connector’s radiused polygon shape and male gender match the vehicle’s harness before installation. Thread the sensor carefully into the mounting hole with the specified 18.0 mm diameter to prevent cross-threading. Verify wiring connections and sensor placement to maintain proper function.

Quality Assurance and Warranty Information

Walker Products OE parts are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 250-241116 oxygen sensor 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 operation.