If your Chevy or GMC truck's stability control or power steering is acting up, this sensor might be the culprit. It's a direct replacement for part numbers 20910871 and 19418403. Fits a bunch of vehicles from 2010 to 2014: Silverado, Sierra, Tahoe, Suburban, Yukon, Avalanche, and Escalade. This sensor tells the computer how far and which direction you're turning the steering wheel, which affects stability control, traction control, and even electric power steering assist. When it fails, you might see warning lights or weird steering feel. Installation usually involves removing the steering wheel and clockspring. Make sure your model matches exactly. A quality aftermarket part that can get your truck's steering systems back to normal.
