Cummins 4088427 Fuel Injector Assembly

The Cummins 4088427 is a common rail diesel fuel injector designed for QSK series heavy-duty engines including QSK60, QSK45, and QSK23. It features precision-engineered nozzle geometry for optimal fuel atomization and combustion efficiency. This injector serves as a direct OEM replacement for part numbers 4326780, 4087893, 4001813, and 4010025. Built to withstand extreme injection pressures and thermal cycles in mining trucks, excavators, and power generation applications. Cross-reference interchange includes 4088428, 4326781, 4326781NX, 4326781PX, 4088428PX, 4087894, and 4002145. Manufactured to Cummins original specifications for durability and emissions compliance.