The rotating assembly for 1994–1998 5.9L Cummins Marine engines includes the crankshaft, pistons, rods, and bearings. These parts convert combustion force into mechanical power. Forged components endure extreme stress, load, and heat. Precision balancing reduces vibration and enhances efficiency. Wear or imbalance leads to performance loss and engine damage. Marine-grade materials resist corrosion and fatigue. Inspect regularly for wear or cracks. Strengthen your foundation—upgrade your rotating assembly today.