OTTO Excavator Spare Parts Ex100Wd 4Bd1T A Pump Rod Bearing 1191770076 119177-0076 1-19177007-6 For Isuzu Engineered as a critical friction-reducing component for heavy-duty excavators, this OTTO A Pump Rod Bearing is precision-manufactured to seamlessly fit OTTO EX100WD models powered by the rugged Isuzu 4BD1T turbocharged engine. Featuring triple cross-reference part numbers—1191770076, 119177-0076, and 1-19177007-6—it guarantees OEM-level compatibility, ensuring a direct drop-in installation that eliminates modifications and minimizes downtime for maintenance teams and fleet operators.