The New Holland 5178396 is a genuine OEM lighting switch designed for a wide range of New Holland, Case IH, and Steyr agricultural tractors. This essential component provides reliable control over the vehicle's lighting system, ensuring proper functionality and safety during operation. Manufactured to original equipment specifications, it guarantees a precise fit and long-lasting performance. Key applications include New Holland T4000, T5000, TD5000, TL-A, TN-D, TN-S, TN-A, and TS-A series tractors, as well as Case IH JX and MXM series, and Steyr Profi models.