Home » Marine » 5.9L 2003-2004 Cummins Marine » Engines » Long Block
Choate Engineering Performance builds high-performance 5.9 Cummins Long Block Diesel Marine Engines for strength, reliability, and maximum power. Each long block uses precision-machined parts to handle tough conditions and deliver consistent performance. These engines work great in motorsports, off-road builds, and heavy-duty applications where durability matters most.
Boost your vehicle’s performance with a Choate long block diesel engine—built to push power and endurance to the limit!
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Select options This product has multiple variants. The options may be chosen on the product page-
Select options This product has multiple variants. The options may be chosen on the product page-
Select options This product has multiple variants. The options may be chosen on the product page