Delivery valve A20

OTTO Zx70 4Jg1 Fuel Injection Pump Parts Repair Kit Delivery Valve A20 5156410030 515641-0030 5-15641003-0 For Isuzu The OTTO Zx70 4Jg1 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 4Jg1 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 small-scale construction, landscaping, and light earthmoving.