The New Holland 9966144 Left Armrest is a genuine OEM replacement part designed for a wide range of New Holland T-series tractors. This essential component provides ergonomic support and enhances operator comfort during long hours of operation. Measuring approximately 406.4 mm in length, 127 mm in width, and 76.2 mm in height, and weighing about 0.36 kg, it is built to the manufacturer's specifications for a perfect fit and durable performance. Compatible with models including T4.75, T5.115, T6.175, T7.270, T8.390, and T9.700, among others.