The Komatsu 3EB5515511 is a genuine OEM electrical switch designed for reliable operation across various Komatsu construction and heavy machinery models. This essential component ensures proper functionality in applications including PC-series excavators, WA-series wheel loaders, D-series dozers, GD-series motor graders, HM-series articulated dump trucks, and WB-series backhoe loaders. It directly replaces the Komatsu part number 3EB5515510, ensuring compatibility and seamless integration into your existing Komatsu equipment.