Walker 350-34770 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for BMW 118i and 120i Models

The Walker 350-34770 oxygen sensor is designed to provide accurate emissions monitoring for BMW 118i and 120i vehicles. This sensor helps maintain optimal engine performance and emission control by delivering precise air-fuel mixture data to the engine management system.

• Compatible with BMW 118i and 120i models
• Walker part number 350-34770 for easy identification
• Category: Emission Control > Sensors
• Type: Oxygen Sensor
• GTIN: 00724620106248 for product authenticity

Walker Products Aftermarket Line Overview

The Walker Products Aftermarket line offers a range of emission control components designed to meet or exceed OEM specifications. This product line focuses on delivering reliable and durable sensors that support vehicle emissions compliance and engine efficiency. The 350-34770 oxygen sensor is part of this line, ensuring compatibility and performance for BMW vehicles requiring precise emission monitoring.

Product Description and Application

The Walker 350-34770 oxygen sensor is engineered to monitor the oxygen levels in the exhaust gases of BMW 118i and 120i models. By providing real-time data to the engine control unit, it helps optimize fuel combustion and reduce harmful emissions. This sensor is essential for maintaining the vehicle’s emission system functionality and ensuring compliance with environmental regulations.

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor failure
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor malfunction

Installation Notes and Tips

• Ensure the vehicle is compatible: BMW 118i and 120i models only
• Disconnect the battery before installation to prevent electrical issues
• Use proper tools to avoid damaging the sensor or exhaust components
• Check for exhaust leaks that may affect sensor readings
• Follow torque specifications recommended by the vehicle manufacturer

Quality Assurance and Warranty

Walker oxygen sensors, including part number 350-34770, are manufactured to meet industry standards for durability and accuracy. While specific warranty details are not provided here, Walker Products Aftermarket components typically come with a limited warranty covering defects in materials and workmanship. Always verify warranty terms with the supplier or manufacturer documentation.