The NOS 1987-91 GM 2.5L Crank Position Sensor 213-154 is a high-quality sensor made by ACDelco, a trusted brand in the industry. This OE (Original Equipment) sensor is designed for GM vehicles, specifically the 2.5L engine. The manufacturer part number 10496122 ensures compatibility and reliability for the specified vehicle model years. With this sensor, you can trust in the accurate detection of your engine's crank position for optimal performance and efficiency.