Perkins original  Diesel Fuel Injector 386-1753 20R-1265 379-0509 For C3500 C3508B Excavator Replacement for OEM new injector original new injector

The Perkins 386-1753 fuel injector is a direct OEM replacement unit engineered for the Perkins 3512B V12 four-stroke diesel engine, with confirmed cross-compatibility for Perkins 3516B engine applications. Manufactured from high strength alloy steel and built to OEM dimensional and performance specifications, this injector delivers high precision fuel metering, superior atomization, and consistent fuel delivery under varying engine loads. Authorized OE numbers include 386-1753, CAT3861753, CA3861753, and 20R-1265, providing reliable cross-reference coverage for procurement teams sourcing replacement fuel injection components.

Designed for heavy-duty continuous-duty operation, the 3861753 injector is suitable for power generation engines, marine propulsion systems, mining equipment, oilfield machinery, and heavy-duty construction equipment. Its heavy-duty construction and corrosion-resistant design allow dependable performance in harsh industrial and offshore environments, including marine and mining applications. The 20R1265 unit is supplied to Perkins dealers, diesel engine rebuilders, generator service companies, marine repair facilities, mining contractors, oil and gas operators, and industrial maintenance providers worldwide.

Installation requires cleaning the injector bore before fitting, replacing all sealing components, using calibrated torque tools, performing fuel leak testing after installation, and verifying injector performance with diagnostic equipment. The CA3861753 assembly supports improved fuel efficiency, increased combustion efficiency, lower emissions, higher engine power output, reduced fuel consumption, and improved cold-start performance, ensuring long service life and reliable operation across demanding industrial duty cycles.