Piston ring kit 4 piston rings + 1.00 mm diameter 86 mm for LOMBARDINI compatible DIESEL agricultural engine for models LDA450 - LDA 450 LDA451 - LDA 451 LDA510 - LDA 510 3LD450 - 3LD 450 3LD450/S - 3LD 450/S 3LD510 - 3LD 510 3LD510/S - 3LD 510/S 3LD510/L - 3LD 510/L 3LD511 - 3LD 511 Band sizes: 1 - 2 mm 2- 2 mm 3- 2 mm 4- 4 mm Code: 3B. 11 .8210.57 Original part number: 8210.057 SM