This Cummins NT855 piston ring set is a critical sealing component for NT855 heavy-duty diesel engines, compatible OEM numbers 3801056, 4089810, 3803471 and 3801755.
Made of high-strength alloy steel with chrome plating treatment, it delivers excellent compression sealing, reduces oil consumption and extends engine service life.
Widely used on mining equipment, construction machinery, marine engines and diesel generator sets.
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