Piston

Surplus B: Surplus B MACK MP8 / VOLVO D13 MONOTHERM-STYLE ENGINE PISTON 21170742, THE PISTON COMPRESSES AIR INSIDE THE CYLINDER DURING THE COMPRESSION STROKE, RECEIVES FORCE FROM COMBUSTION WHEN FUEL IGNITES, TRANSFERS THAT FORCE THROUGH THE CONNECTING ROD TO THE CRANKSHAFT TO TURN COMBUSTION ENERGY INTO ROTATIONAL POWER, AND HELPS CONTROL OIL CONSUMPTION & SEAL COMBUSTION PRESSURE THROUGH THE PISTON RINGS.