This CV axle shaft assembly is designed for the front left or right side of select 1999-2006 Chevrolet Silverado 1500 models. Built from alloy steel and carbon steel, it is made for dependable power transfer, durability, and long service life. The precision-machined flange and spline help provide a secure fit and smooth drivetrain performance. A sealed neoprene boot helps protect the joint from dirt, moisture, and road debris. It also comes pre-greased and includes a pre-installed output shaft nut for easier installation.