OTTO Zx800 6Wg1 Fuel Injection Pump Parts Repair Kit Delivery Valve 02P 1156194920 115619-4920 1-15619492-0 For Isuzu OTTO Zx800 6Wg1 Fuel Injection Pump Parts Repair Kit is a precision-engineered, OEM-grade solution exclusively designed for Isuzu excavators—not for automotive, passenger, or commercial vehicles. This specialized kit is tailored to service and restore the functionality of the 6Wg1 series fuel injection pumps, a critical component in Isuzu-powered excavators where reliable fuel delivery directly impacts operational efficiency and performance.