The New Holland 87587991 is an authentic OEM replacement knob designed for a wide range of New Holland, Case IH, and Steyr agricultural and construction equipment. This durable control knob ensures precise operation and a secure grip, maintaining the original functionality and aesthetics of your machinery's interior or exterior controls. Engineered to meet CNH Industrial's stringent quality standards, it provides reliable performance and a perfect fit for compatible models, including numerous T-series, Boomer, Workmaster, Farmall, Maxxum, Puma, Magnum, Steiger, Quadtrac, Profi, and CVT tractors.