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
Break-in oil kits for the 5.9L 1998.5–2000 Cummins Marine engine contain specialized oil formulas. These oils protect new engine parts during initial operation. They reduce wear and help seat piston rings properly. The kits may include filters and additives designed for break-in periods. Proper use ensures long-term engine performance and durability.
