STANDARD TIMING SIDE main bushing for LOMBARDINI two-wheel tractor agricultural engine for models: LDA91 - LDA 91 LDA96 - LDA 96 LDA97 - LDA 97 LDA100 - LDA 100 LDA820 - LDA 820 4LD640 - 4LD 640 4LD705 - 4LD 705 4LD820 - 4LD 820 Code: 4E.10.1610.09 Original code: 1610.009 SM