Walker 350-34123 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Ferrari 456 GT and F355 Spider

The Walker OE Replacement Oxygen Sensor 350-34123 is designed specifically for select Ferrari models, including the 456 GT, 456 GTA, 550 Maranello, and F355 Spider. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster response times
• Specific fit for Ferrari 456 GT, 456 GTA, 550 Maranello, and F355 Spider
• 35.94-inch wiring harness length for proper installation
• 20 gauge wire measurement with 4 wires for reliable signal transmission
• Female connector gender with 18mm thread diameter
• Overall length of 39.49 inches for exact fitment

Walker OE Replacement Product Line Details

The Walker OE Replacement line focuses on delivering direct-fit components that meet original equipment specifications. The 350-34123 oxygen sensor is engineered to match factory standards, ensuring compatibility and performance for Ferrari vehicles. This product line emphasizes precision and durability, making it a suitable choice for maintaining emission control systems.

Product Description and Attributes

This oxygen sensor features a heated design, which allows it to reach operating temperature quickly, improving emission system efficiency. The sensor includes a 35.94-inch wiring harness with 20 gauge wires and four conductors, providing stable electrical connections. Its female connector and 18mm thread diameter ensure a secure and proper fit in the exhaust system. The overall length of 39.49 inches accommodates the specific routing requirements of Ferrari 456 GT, 456 GTA, 550 Maranello, and F355 Spider models.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter function
• Prevents rough idling and engine hesitation caused by faulty sensors
• Supports optimal engine performance and drivability

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. Carefully remove the old oxygen sensor and inspect the wiring harness for damage. Use the correct 18mm socket for sensor removal and installation. Verify the female connector aligns properly with the vehicle’s wiring harness. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Walker OE Replacement oxygen sensors are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. While specific warranty details for part number 350-34123 are not provided here, Walker products typically come with a limited warranty against defects in materials and workmanship. Refer to Walker’s official documentation for complete warranty information.