The New Holland 89501006 is a genuine OEM electrical switch designed for a wide range of New Holland agricultural and construction equipment. This essential component ensures proper electrical circuit control and functionality across numerous tractor, combine, loader, and excavator models, maintaining optimal machine operation and safety. Confirmed fitment across T4, T5, T6, T7, T8, T9 series tractors, CR and CX series combines, FR series forage harvesters, L and C series loaders, W and D series dozers, E series excavators, B series backhoe loaders, and LM series telehandlers.