Cummins Injector QSK23 Fuel Injector Compatible With Diesel Engine QSK45 QSK60 4326780 4010025 4088427 4087893 3766446 4326784 Original New Injector

Product Detail Page: Cummins QSK23 Fuel Injector 3766446 Product Overview The Cummins 3766446 fuel injector is a heavy-duty diesel fuel injection component used in large-displacement Cummins engine applications, especially in the QSK23 engine family and related heavy-duty QSX/QSK platforms according to public aftermarket cross-reference listings. Public market listings commonly associate 3766446 with reference numbers such as 4088426, 4088427, 4088428, 4326639, 4326780, 4326781, 4326784, 4928346, and 4928349, but final fitment should always be checked by engine serial number, CPL, ECM code, injector code, and original removed injector number before shipment. Third-party listings connect 3766446 with QSK23 and sometimes QSK45/QSK60/QSX23/QSX45/QSX60 applications, so this page is written with an ESN verification note rather than claiming universal compatibility. The Cummins QSK23 platform is a 23-liter inline 6-cylinder, 4-cycle diesel engine used in demanding industrial applications. Cummins lists QSK23 well-servicing ratings at 760–950 hp / 567–708 kW, with 23 L displacement, 170 mm bore, 170 mm stroke, turbocharged and charge-air-cooled architecture, and heavy-duty oilfield use. Cummins also lists QSK23 generator applications with 545–725 kW prime power and 600–800 kW standby power for commercial and industrial generator sets.