OTTO Excavator Spare Parts Zx330 6Hk1 Generator Regulator Connecting Seat 1812600170 181260-0170 1-81260017-0 For Isuzu A precision-engineered, OEM-compatible component designed for heavy-duty construction machinery, this OTTO Generator Regulator Connecting Seat is exclusively tailored to fit Isuzu 6HK1 engines and seamlessly integrate with Hitachi ZX330 excavators. Featuring three interchangeable part numbers—1812600170, 181260-0170, and 1-81260017-0—it adheres to strict industrial quality standards, ensuring reliable performance and structural integrity in the most demanding operating environments.