This aftermarket replacement Rear Crankshaft Seal, identified by part number 15042100, is engineered to provide a dependable sealing solution for a wide range of Ford and New Holland agricultural machinery. As a non-original equipment manufacturer (non-OEM) part, it offers a cost-effective alternative without compromising on performance for its intended application. The crankshaft seal is a critical component located at the rear of the engine's crankshaft, designed to prevent the leakage of engine oil. A properly functioning seal is essential for maintaining optimal engine lubrication, preventing oil loss, and protecting internal engine components from external contaminants like dirt and moisture. Compatible with numerous Ford and New Holland tractor models and engine series, including but not limited to those utilizing 201, 256, 268, 330, 401, 461, 462, and 504 engines, this seal ensures a tight fit and durable performance. It serves as a direct replacement for original part numbers such as 83921850, 83921850R, and 83921850RC. Ideal for routine maintenance or necessary repairs, installing this aftermarket crankshaft seal helps restore engine integrity, reduce oil consumption, and extend the operational life of your valuable equipment. Always verify compatibility with your specific machine model and existing part number before purchase.