Walker 350-33078 Oxygen Sensor - Upstream

Overview of Walker 350-33078 Oxygen Sensor for Porsche Models

The Walker 350-33078 oxygen sensor is designed specifically for Porsche 911, 928, and 944 models. This heated oxygen sensor ensures accurate emission control by monitoring exhaust gases and providing essential data to the engine management system.

• Heated sensor type for faster response times
• Specific fit for Porsche 911, 928, and 944
• Threaded mounting with 18.0 mm thread diameter
• 25.12-inch wiring harness length with 3 wires
• Radiused polygon male connector for secure connection
• Overall length of 28.66 inches for proper installation
• 20 gauge wire for reliable signal transmission

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-33078) is engineered to meet the precise specifications required by Porsche 911, 928, and 944 vehicles. Featuring a heated sensor element, it provides quicker warm-up times compared to unheated sensors, improving emission control efficiency shortly after engine start. The sensor’s 18.0 mm threaded mounting ensures a secure fit in the exhaust system, while the 25.12-inch wiring harness with 3 wires and 20 gauge measurement supports consistent electrical performance. The radiused polygon male connector is designed for a reliable and exact fit, minimizing installation issues. With an overall length of 28.66 inches, this oxygen sensor fits seamlessly within the designated sensor port on compatible Porsche models.

Walker Products Aftermarket Line Information

The Walker Products Aftermarket line focuses on providing replacement emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct-fit solution tailored for Porsche vehicles. The product line emphasizes quality construction and precise fitment, ensuring compatibility and durability in demanding automotive environments.

Common Applications and Issues Addressed

• Helps maintain optimal air-fuel mixture for Porsche 911, 928, and 944 engines
• Reduces emissions by accurately monitoring exhaust gases
• Prevents engine performance problems related to faulty oxygen sensors
• Addresses check engine light triggers caused by sensor failure
• Improves fuel efficiency by providing accurate sensor data

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Walker 350-33078 sensor into the exhaust port. Ensure the connector’s radiused polygon male end aligns properly with the vehicle’s wiring harness. Use appropriate tools to avoid damaging the 18.0 mm threaded section. Verify wiring connections and sensor placement before completing installation to ensure proper function.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards. While specific warranty details for part number 350-33078 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship. This oxygen sensor is designed to provide reliable performance consistent with OEM expectations for Porsche 911, 928, and 944 models.