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Piston body assembly 368-7816 for the Caterpillar C18 engine. The piston converts combustion pressure into linear motion within the engine cylinder.
Piston body assembly for the Caterpillar C18 engine as fitted in the 385C excavator.
Piston body assembly 372-4970 for the Caterpillar C18 engine in the 395, MH3295, 390F, and 390F L excavators.
Engine piston for the Caterpillar C13 engine used in large excavators and other heavy equipment.