Walker 350-34221 Oxygen Sensor - Downstream

Overview of Walker 350-34221 Oxygen Sensor for Suzuki Vehicles

The Walker 350-34221 oxygen sensor is designed specifically for Suzuki Grand Vitara and SX4 models. 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 design for reliable operation
• Specific fit for Suzuki Grand Vitara and SX4 models
• Threaded mounting type with 18.0 mm thread diameter
• 21.57-inch wiring harness length with 20 gauge wire
• Female connector with radiused polygon shape for secure connection
• Overall length of 25.12 inches for proper installation

Detailed Product Features and Specifications

This Walker oxygen sensor (part number 350-34221) features a heated sensor element that allows for faster warm-up times and improved emissions monitoring. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance under various operating conditions. The sensor is designed with a threaded mounting type and an 18.0 mm thread diameter, making it compatible with the exhaust system of Suzuki Grand Vitara and SX4 vehicles. The wiring harness length of 21.57 inches and 20 gauge wire provide durability and ease of installation, while the female connector with a radiused polygon shape ensures a secure and precise fit.

Walker Products Aftermarket Line Information

The Walker Products Aftermarket line offers a range of emission control components engineered to meet or exceed OEM specifications. This oxygen sensor is part of that line, providing a direct replacement solution tailored for specific vehicle applications. The focus on exact fitment and reliable sensor technology supports proper emissions function and engine efficiency for Suzuki models.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel economy
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by maintaining proper sensor function
• Prevents engine performance issues caused by faulty sensor signals
• Supports smooth engine idling and acceleration response

Installation Notes and Tips

When installing the Walker 350-34221 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the exhaust threads. Verify the connector type matches the vehicle harness before installation. The 21.57-inch wiring harness length allows for flexible routing, but avoid sharp bends or contact with hot surfaces. Torque the sensor to manufacturer specifications to ensure a proper seal and sensor function.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports long-term vehicle reliability.