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 
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5.9L 1998.5-2000 Cummins Marine

The 1998.5–2000 5.9L Cummins marine engine combines advanced technology with reliable power for demanding marine environments. Featuring a 24-valve design and the Bosch P7100 injection pump, it delivers smooth fuel control, impressive torque, and consistent performance. The engine’s cast-iron block and durable components handle long hours under load, making it ideal for both recreational and commercial use.

This engine excels in fuel efficiency and low-end torque, providing solid performance for boats in tough conditions. It’s easy to maintain and built to withstand the rigors of marine life.

Power your boat with a 5.9L Cummins from Choate Engineering—designed for strength, endurance, and reliability on the water.

5.9L Cummins marine engine

The 1998.5–2000 5.9L Cummins marine engine combines advanced technology with reliable power for demanding marine environments. Featuring a 24-valve design and the Bosch P7100 injection pump, it delivers smooth fuel control, impressive torque, and consistent performance. The engine’s cast-iron block and durable components handle long hours under load, making it ideal for both recreational and commercial use. This engine excels in fuel efficiency and low-end torque, providing solid performance for boats in tough conditions. It’s easy to maintain and built to withstand the rigors of marine life. Power your boat with a 5.9L Cummins from Choate Engineering—designed for strength, endurance, and reliability on the water.