OTTO Excavator Spare Parts Trw 6Bg1T Ignition Switch 8944025000 894402-5000 8-94402500-0 For Isuzu Engineered as a critical control component for heavy-duty excavator electrical systems, this OTTO ignition switch is precision-manufactured to seamlessly integrate with OTTO TRW excavators powered by the robust Isuzu 6BG1T turbocharged engine. Featuring triple cross-reference part numbers—8944025000, 894402-5000, and 8-94402500-0—it guarantees OEM-level compatibility, ensuring a direct, plug-and-play fit that eliminates installation delays and modifications for maintenance teams, fleet operators, and construction professionals.