If your speedometer is acting up or you're experiencing transmission shifting issues, this input speed sensor might be the solution! This A-Premium sensor is compatible with numerous GM vehicles including Chevy Malibu (2006-2007 V6 3.9L), Impala, Monte Carlo, Buick LaCrosse, Regal, Century, and many more models from 1997-2011. The oval-shaped connector with 2 female terminals matches OEM specifications for easy installation. Reference numbers include 10456509, 24238955, and several others - always verify compatibility with your specific vehicle before ordering. This sensor plays a crucial role in monitoring transmission input shaft speed, helping your vehicle's computer manage shifting patterns properly. When these sensors fail, you might notice erratic speedometer readings, transmission slipping, or check engine lights. Installation is typically straightforward for those familiar with basic automotive repair. The quality construction ensures reliable performance and accurate readings. A-Premium backs this part with a one-year unlimited mileage guarantee for peace of mind. Whether you're a DIY mechanic or having a professional handle the installation, this sensor provides the quality you need at a reasonable price. Keep your GM vehicle running smoothly with this essential transmission component that restores proper shifting and speedometer function.