Seller notes

NPR PISTON RING FOR KOMATSU ENGINE S4D120 CODE SDK04007 (UNIT/1SET)NPR PistonRingsA piston ring must have both spring-like tension and the properties to become a true circle when closed. In the combustion chamber of engine, NPR?s piston rings serve to seal combustion gas, control lubricating oil, dissipate heat, and prevent wear and seizure under the severe conditions of operation. Now that engines are required to be more compact, lighter, and more sophisticated in performance, the choice of pis...

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