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
Pistons in the 5.9L Cummins Marine engine (1989–1993) turn combustion energy into power. They move up and down inside the cylinders. This movement drives the crankshaft and helps the engine run efficiently.
