The CNH 83990024 is a genuine 12-volt, 20-amp, 4-pin electrical relay designed for a wide range of New Holland, Case IH, Steyr, Ford, and Fiat agricultural and construction equipment. This OEM component ensures reliable electrical circuit control and is a direct replacement for various models, including New Holland T7, T8, T9, TD5, TL, TM, TS series tractors, Case IH Magnum, Puma, Steiger, Farmall, JX, Maxxum, Optum series, Steyr Multi, Profi, Terrus, Kompakt, CVT, Impuls series, and select Ford and Fiat models. With precise dimensions of 28mm length, 28mm width, and 25mm height, and weighing 0.03 kg, this relay provides essential functionality for critical systems.