Home » Cummins » 5.9L 1989-1993 Cummins » Parts » Rotating Assembly » Pistons
Our pistons for the 1989–1993 5.9L Cummins deliver durability, performance, and reliability. Made from high-quality materials, they handle the extreme pressure and heat of diesel engines. Whether rebuilding or upgrading, our pistons strengthen compression and boost combustion. They fit first-gen 12-valve Cummins engines perfectly, providing lasting performance and power.
Building engines the way the OEM factory should have in the first place.
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