Brand new Caterpillar 2-piece piston with piston rings installed, includes skirt: 155-5271 and crown: 172-0919. Piston rings installed: Top: 229-1632, Mid: 144-5695 Mid, Oil: 1656668
New, unused, disassembled from cylinder pack 10R-4029
Old part nrs.: 0R-9962, 153-6516
for use with Caterpillar 3500B HD (high displacement) engines