CATERPILLAR SHIM (2G-6793) - 2G6793 is a high-quality OEM spare part for various models including 3116, 3126, 3304, C7, 120G, 120H, 120K, and 135H. This Caterpillar aftermarket part is also available with the alternative interchange/cross code 2G6793. It is specifically designed to fit Caterpillar engines and machines, as well as Caterpillar motor graders.