Walker 350-35121 Oxygen Sensor - Upstream Right

Overview of Walker 350-35121 Oxygen Sensor for Porsche 718

The Walker 350-35121 oxygen sensor is designed specifically for Porsche 718 Boxster and 718 Cayman 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 sensor type for faster response times
• Specific fit for Porsche 718 Boxster and 718 Cayman
• 41.53-inch wiring harness length for proper installation
• 20 gauge wire measurement with 5 wires for reliable signal transmission
• Radiused polygon male connector for secure connection
• 18.0 mm threaded mounting type for direct replacement
• Overall length of 46.25 inches for compatibility with factory specifications

Detailed Product Description

This Walker oxygen sensor, part number 350-35121, is engineered to meet the exact specifications required by Porsche 718 Boxster and 718 Cayman vehicles. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings, which are critical for maintaining efficient combustion and reducing emissions. The sensor includes a 41.53-inch wiring harness with 20 gauge wires and a 5-wire configuration, ensuring stable electrical signals and compatibility with the vehicle’s wiring system. The radiused polygon male connector and 18.0 mm threaded mounting type allow for a secure and precise fit, matching OEM standards.

Walker Products Aftermarket offers a comprehensive line of emission control components designed to meet or exceed OEM requirements. This product line focuses on delivering reliable, vehicle-specific sensors that support emission compliance and engine efficiency. The 350-35121 oxygen sensor is part of this line, providing a direct-fit solution for Porsche 718 models that require precise sensor performance.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel economy
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces harmful emissions by ensuring proper catalytic converter function
• Prevents engine performance issues such as rough idling or hesitation
• Supports compliance with emissions testing standards

Installation Notes and Tips

• Ensure vehicle compatibility with Porsche 718 Boxster or 718 Cayman before installation
• Use appropriate tools to remove the old sensor and install the threaded sensor securely
• Verify the connector shape and gender match the vehicle harness for proper connection
• Handle wiring harness carefully to avoid damage during installation
• Follow manufacturer torque specifications for mounting to prevent sensor damage

Quality Assurance and Warranty

Walker Products Aftermarket maintains strict quality control standards to ensure each oxygen sensor meets performance and durability requirements. The 350-35121 sensor is manufactured to provide consistent operation under normal driving conditions. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.