This 4940194 Hexagon Flange Head Cap Screw is a high-quality replacement component designed for Cummins ISF3.8 cylinder head systems. Precision-engineered to meet OEM specifications, it ensures reliable sealing, stable assembly, and long service life under heavy-duty operating conditions. Ideal for engine maintenance, repair, and overhaul projects, this part delivers consistent performance, reduces wear, and supports efficient power delivery for commercial and industrial Cummins engines.