The New Holland 51553774 Spline Coupling Bushing is a genuine OEM component designed for various New Holland agricultural and construction machinery. This critical part facilitates power transmission within the driveline, ensuring smooth and efficient operation. It is engineered to precise specifications, with an outer diameter of 45.0 mm, an inner diameter of 30.0 mm, a length of 95.0 mm, and a height of 51.0 mm. Weighing approximately 0.12 kg, this durable bushing is vital for maintaining the integrity and performance of your New Holland equipment, including numerous tractor, telehandler, combine, baler, windrower, and skid steer models. Replaces part number 87693621.