This is a genuine GM gray multi-purpose pigtail with part number 88987993. It is a reliable replacement for parts with numbers 12101899, 12126469, 15306195, 22687946, 88987183, and 88987978. It is compatible with Pontiac, Chevrolet, GMC, Buick, and Oldsmobile vehicles. The pigtail is made of high-quality materials and is a genuine OEM product. It is a multi-purpose part that can be used in various engine cooling components. With this pigtail, you can be sure of the quality and reliability of your vehicle's engine cooling system.