The New Holland 500343161 is a genuine OEM electrical relay, designed for reliable performance in a wide range of New Holland agricultural and construction equipment. This 12-volt, 40-amp relay features 5 pins, ensuring precise control of electrical circuits. It is a critical component for various systems, including starting, lighting, and auxiliary functions. This relay is compatible with numerous New Holland tractor series such as T4, T5, T6, T7, T8, T9, TD5, TK, TL, TM, TS, and TV models, as well as balers and combines. This relay replaces part numbers 84407954 and 87410064, ensuring a direct fit and optimal functionality.