Walker 250-241213 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker Products OE Oxygen Sensor 250-241213

The Walker Products OE Oxygen Sensor 250-241213 is designed specifically for select BMW and Toyota models, including the 230i, 330i, 430i, and GR Supra. 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 sensor type for faster warm-up and improved efficiency
• Specific fit for BMW and Toyota models, including 230i, 330i, 430i, and GR Supra
• 31.02-inch wiring harness length with 4 wires and 20 gauge measurement
• Female connector gender with an 18mm thread diameter
• Overall length of 34.57 inches for proper installation

Walker Products OE Brand Line Details

The Walker Products OE line focuses on delivering original equipment quality emission control components. This oxygen sensor is engineered to meet or exceed OEM specifications, ensuring compatibility and reliable performance for the specified BMW and Toyota vehicles. The OE line emphasizes precise fitment and durability, making it suitable for professional repairs and maintenance.

Technical Description and Attributes

This oxygen sensor features a heated element that allows it to reach operating temperature quickly, reducing emissions during cold starts. The 4-wire design supports both the sensor signal and heater circuit, enhancing responsiveness and accuracy. With a wiring harness length of 31.02 inches and an overall length of 34.57 inches, the sensor is designed for direct replacement without modification. The 18mm thread diameter and female connector ensure secure and proper installation in the designated exhaust ports of compatible BMW and Toyota models.

Common Applications and Problem Resolution

• Restores accurate air-fuel ratio readings for improved engine efficiency
• Resolves check engine light issues related to oxygen sensor faults
• Helps reduce harmful emissions by maintaining proper combustion
• Addresses rough idling or poor fuel economy caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

Before installation, verify compatibility with your specific BMW or Toyota model using the part number 250-241213. Ensure the engine and exhaust system are cool to avoid injury. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. Apply anti-seize compound to the threads if recommended by the vehicle manufacturer. Confirm the female connector securely mates with the vehicle harness to prevent electrical issues.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent 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 the product documentation or manufacturer for exact warranty terms related to part number 250-241213.