The Timken 450519 is an engine crankshaft seal for heavy-duty truck applications, sold by Pro Gear and Transmission. Cross-referenced as TrucKraft NG450519, this seal fits within the engine gaskets and sealing systems category. Timken is a well-established supplier of precision seals and bearing components used throughout the heavy-duty trucking industry. If you need help confirming this seal matches your engine application, call us before ordering.FeaturesTimken part number 450519Also cross-referenced as TrucKraft NG450519Engine crankshaft seal applicationSold individually (each)Sold by Pro Gear and Transmission