Cummins 3016792 Front Crankshaft Oil Seal

The Cummins 3016792 front crankshaft oil seal is designed for the timing gear cover on Cummins K19, KTA19, KTA38, KTA50, QSK19, QSK38, and QST30 series diesel engines. It provides a critical barrier to prevent lubricating oil leakage at the crankshaft front end while excluding contaminants. Manufactured to OEM specifications using high-performance Interface sealing materials, the seal features a precision-molded fluoroelastomer (Viton) lip design for high-temperature resistance and extended service life in heavy-duty applications. The seal dimensions are 111.12 mm (4.375 in) free inner diameter, 139.72 mm (5.501 in) outer diameter, and 12.70 mm (0.500 in) width. Direct OEM replacement for Cummins part numbers 3016792 and 3016787. Compatible with aftermarket cross-references including PAI 136077, Komatsu CU3016792, and Interstate-McBee DS-3016792.