The Stihl 42014051000 is a genuine OEM fuel tank cap designed for a wide range of Stihl outdoor power equipment, including popular blower, trimmer, and cut-off saw models. This cap ensures a tight and secure seal for the fuel tank, preventing leaks and maintaining optimal engine performance. Crafted to Stihl's rigorous standards, it provides reliable fitment and durability for demanding applications. With a height of 24.13 mm, length of 54.61 mm, and width of 54.61 mm, this cap is a direct replacement for the original part.