Walker 250-241045 Oxygen Sensor - Downstream

Overview of Walker 250-241045 Oxygen Sensor for Fiat 500

The Walker Products OE 250-241045 oxygen sensor is designed specifically for the Fiat 500, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure installation.

• Heated oxygen sensor with 4 wires for accurate readings
• Specific fit for Fiat 500 models
• Threaded mounting with 18.0 mm thread diameter
• Connector features a radiused polygon shape and female gender
• Wiring harness length of 25.12 inches and overall length of 28.66 inches
• Wire gauge measurement of 20 for durability and signal integrity

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-241045) is engineered to meet the exact specifications of the Fiat 500. The heated sensor type allows for faster warm-up times, improving fuel efficiency and reducing emissions. With a 4-wire configuration and a 20-gauge wire measurement, this sensor provides reliable signal transmission to the vehicle’s engine control unit. The radiused polygon female connector ensures a secure and precise connection, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation. The wiring harness length of 25.12 inches and overall length of 28.66 inches provide ample reach for proper placement within the exhaust system.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory standards. This oxygen sensor is part of that line, offering a direct replacement solution designed to maintain the emission control system’s integrity on the Fiat 500. Walker Products OE parts are engineered for durability and performance, ensuring compatibility and reliable operation within the vehicle’s emission system.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for proper air-fuel mixture
• Helps resolve rough idling and engine hesitation
• Reduces increased emissions and failed emissions tests
• Prevents poor fuel economy caused by faulty sensors
• Eliminates check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure the vehicle is cool before installation to avoid burns
• Use appropriate tools for the 18.0 mm threaded sensor
• Verify connector orientation matches the radiused polygon female plug
• Check wiring harness length to confirm fit within the Fiat 500 exhaust system
• Follow vehicle manufacturer torque specifications when mounting

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number 250-241045 undergoes rigorous testing to comply with emission control requirements for the Fiat 500. Warranty coverage details are provided by Walker and typically cover defects in materials and workmanship under normal use.