Ensure the reliability and efficiency of your vehicle's fuel system with the GM 13502903 Replacement Fuel Tank Pressure Sensor. Engineered to meet or exceed OEM specifications, this high-quality sensor is designed to accurately measure the pressure within your fuel tank, providing precise data to your vehicle's ECU. This crucial information helps maintain optimal engine performance and fuel efficiency, preventing potential issues such as fuel leaks or vapor buildup. Easy to install and built to last, this fuel tank pressure sensor comes with a 12-month warranty for added peace of mind.