Perkins original Perkins 370-7286 Common Rail Fuel Injector Assembly for C4.4 Engine 316EL 318EL Excavator Replacement for OEM new injector original new injector

The Perkins C4.4 Fuel Injector 370-7286 is an original equipment replacement component engineered for the Perkins C4.4 diesel engine platform. Built to OEM specification, this high pressure common rail injector delivers precise fuel metering and superior atomization, supporting stable combustion across Tier 3 and Tier 4 emission configurations. The injector body is manufactured from hardened alloy steel, paired with a precision tool steel nozzle, heat treated valve, fluorocarbon seals, and industrial grade spring steel spring, ensuring long service life and resistance to wear and corrosion in demanding operating environments.

This injector assembly is designed for seamless integration with Perkins 305E2, 306E2, 307E2, and 308E2 engine models used in excavators, wheel loaders, telehandlers, and generator sets. It supports enhanced fuel economy, lower exhaust emissions, and consistent injection response under variable load conditions. Multiple cross reference numbers including 326-4700, 320-0680, 2645A751, 2645A747, 2645A746, and 2645A734 provide flexible interchangeability for fleet maintenance, replacement, and overhaul operations across construction, mining, power generation, and agricultural equipment.

Installation requires verification of the OEM part number, engine serial number, and injector seat condition prior to fitting. Recommended steps include replacing the copper washer and O-rings, cleaning the fuel rail, applying the specified torque, and performing a fuel bleeding procedure. Routine inspection of spray pattern, rail pressure, and injector correction values helps sustain stable performance and extended service intervals.