Perkins original Perkins original Perkins 174-7528 Diesel Engine Fuel Injector for 3412 3412E Construction Machinery Excavator Replacement for OEM new injector original new original new injector

The Perkins 3412 Series Fuel Injector 174-7528 is an OEM replacement component engineered for Perkins 3412B, 3412C, 3412D, and 3412E diesel engines. Featuring hardened alloy steel construction and a CNC-machined nozzle, this injector delivers a precise fuel spray pattern that supports optimal combustion efficiency and reduced emissions across demanding industrial environments. It is fully compatible with standard Perkins maintenance and diagnostic tools, ensuring straightforward integration into existing service workflows.

Designed for heavy-duty machinery such as excavators, wheel loaders, and backhoe loaders, as well as industrial marine propulsion and Perkins 3412 diesel generator sets, the 174-7528 injector meets or exceeds OEM performance specifications. The electronically controlled high-pressure direct injection system ensures reliable engine operation under harsh conditions, providing consistent fuel atomization and dependable power delivery for commercial and industrial applications.

For proper maintenance, operators are advised to clean injector nozzles every 250 operating hours and use only Perkins-approved fuel filters to prevent clogging. Periodic performance diagnostics using Perkins Electronic Technician (ET) are recommended. The injector installs via a threaded, plug-in style connection following standard Perkins torque settings, and each unit is OEM specification calibrated prior to shipment.