8971236050

OTTO Zx120 4Bg1 Fuel Injection Pump Parts Repair Kit Delivery Valve 57A 8971236050 897123-6050 8-97123605-0 For Isuzu The OTTO Zx120 4Bg1 Fuel Injection Pump Parts Repair Kit is a precision-engineered, OEM-grade solution explicitly designed for Isuzu-powered excavators—not for automotive, passenger, or commercial vehicles. This specialized repair kit is tailored to service, restore, and optimize the performance of Isuzu’s 4Bg1 series fuel injection pumps, a critical component in excavator powertrains where reliable, high-pressure fuel delivery directly impacts operational efficiency, digging precision, and machinery uptime in heavy-duty environments such as construction, landscaping, and earthmoving.