This aftermarket PIN, part number 42N7011681NO, is designed as a replacement for various Komatsu excavators, including models PC300-7, PC350-7, PC400-7, PC450-7, PC400LC-7, and PC450LC-7. It serves as a direct equivalent to the OEM Komatsu part 42N-70-11681, ensuring compatibility and reliable performance for heavy-duty applications. With a length of 350 mm, a diameter of 90 mm, and a weight of 17.5 kg, this pin provides a robust solution for linkage and attachment points in demanding operational environments.