بوش بوش كومينز 4921431 مضخة حقن الوقود/مضخة حقن كومينز4921431/مضخة حقن هيتاشي 300-8

This page introduces the Cummins original fuel injection pump (Part No. 4921431), suitable for Cummins ISC8.3, ISL8.9, QSC8.3, QSL8.9 engines, as well as Hitachi PC300-8, PC350-8 excavators and WA430 loaders. The pump is a high-pressure common rail CCR1600 type, compatible with replacement numbers 3973228, 5594766, 4902731, 4954200, etc. Made by Bosch, it meets Tier 3 emission standards and is a key component of the fuel system for construction machinery and heavy trucks.