This pair of ball joints is designed for the 2004-2010 Toyota Sienna. They are made of durable steel and are built to last. The bolt-on mounting style makes them easy to install and the 100% accuracy of fit ensures that they will work perfectly. The package includes a nut and the ball joints are compatible with both the left and right front lower ball joints. They are OE/OEM part numbers K90347 K90346 and are made in China. These ball joints are a great choice for anyone looking to replace their old or damaged ones.