CATERPILLAR PISTON AS 1653847/1653847

1653847/1653847 CATERPILLAR PISTON AS 311C, 311D LRR, 312C, 312C L, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 313D, 313D2, 313D2 LGP, 314C, 314D CR, 314D LCR, 315C, 315D L, 318D L, 318D2 L