The Genuine GM 3 Bar Map Sensor 12223861 is a brand new, OEM product manufactured by GM. This sensor is a direct replacement for the original equipment part, with a 1-year manufacturer warranty for added peace of mind. It is designed to fit securely into the vehicle's air intake system and accurately measure atmospheric pressure to ensure optimal engine performance. With its genuine OEM status and compatibility with part number 16040749, this map sensor is a reliable choice for car and truck owners looking to maintain their vehicle's air and fuel delivery system.