Current Lead Times: In Stock Engines Ship Same or Next Day - Out of Stock: 1-3 Weeks on Most Long Block Engines; 3-5 Days on Heads – *call us for more exact lead times for your specific build
The rotating assembly for the 1994–1998 5.9L Cummins is a critical component that includes the crankshaft, connecting rods, pistons, and bearings—each designed to work together for smooth and reliable engine operation. The crankshaft transfers power from the engine’s combustion to the transmission, while the pistons and connecting rods convert that power into rotational force. These components are made from high-strength, precision-engineered materials to withstand the extreme stress and pressures typical of diesel engines. Whether you’re rebuilding your engine or upgrading for better performance, the rotating assembly ensures balanced, smooth operation, enhancing the efficiency, durability, and power output of your second-gen 12-valve Cummins.
Building engines the way the OEM factory should have in the first place.
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