Perkins original Perkins 173-9268 Diesel Fuel Injector Nozzle for 3126B 3126E C7 3406E C15 C18 Engine Replacement for OEM original new injector

Built around the Perkins HEUI architecture, this 173-9268 fuel injector is engineered for 3126, 3126B, and 3126E diesel platforms, delivering precise fuel metering, fine spray atomization, and consistent hydraulic intensification under heavy-duty load. Its electronic solenoid design ensures responsive control and stable injection timing, while the heavy-duty construction supports long service life in demanding commercial and industrial environments.

The injector is supplied as a direct-fit replacement with full cross-reference coverage, including 0R9348, 0R9349, EX639348, EX639349, 145-9360, 155-1819, and many additional part numbers listed in the authorized reference list. Available in new aftermarket, remanufactured, rebuilt, original-type replacement, and exchange unit conditions, the product also ships as a complete six-piece engine set to simplify fleet overhauls and distributor inventory management.

Widely applied in medium-duty trucks, buses, construction equipment such as excavators and loaders, agricultural machines, generator sets, and marine auxiliary engines, the injector supports B2B buyers, engine rebuild shops, and parts distribution businesses. Routine maintenance using clean diesel, regular fuel filter replacement, water separator draining, clean engine oil service, and diagnostic scanning helps prevent common HEUI injector failures including hard starting, rough idle, power loss, and excessive smoke.