OTTO Excavator Parts Sh4503B 6Uz1 Connecting Rod Bolt 1122350466 112235-0466 1-12235046-6 For Isuzu This OTTO Excavator part, the connecting rod bolt for the SH4503B 6UZ1 engine (1122350466), plays a crucial role in securing the connecting rod in place. Designed for Isuzu engines to maintain structural integrity and ensure optimal performance.