The GM Original Equipment 10456075 Vehicle Speed Sensor (VSS) is a crucial component designed to accurately measure the rotational speed of the transmission or transaxle output shaft. This genuine OEM sensor provides precise data to the vehicle's engine control unit (ECU) for proper transmission shifting, speedometer operation, and cruise control function. Engineered to GM's stringent specifications, it ensures reliable performance and direct fitment for various Chevrolet Blazer, S10, GMC Jimmy, Sonoma, Oldsmobile Bravada, and Isuzu Hombre models.