Caterpillar original 155-1819 Engine Fuel Injector Common Rail Injector 382-0709 for 336E C9.3 Replacement for OEM 304-3637 Cross Reference 10R-1265 original new injector

Precision-engineered as an original fuel system component for Caterpillar C9.3 series diesel engines, the 155-1819 fuel injector is manufactured in strict compliance with official OEM specifications to guarantee exact fitment and reliable operation. It is compatible with all documented C9.3 engine variants, including the C9.3B, C9.3 ACERT, industrial C9.3 and C9.3 power unit configurations, serving as a direct OEM-quality replacement for worn or failed injectors in heavy-duty diesel setups.

Equipped with high-precision internal parts, hardened wear-resistant surfaces and advanced nozzle technology, this high-pressure diesel injector delivers accurately metered, finely atomized fuel to optimize combustion efficiency. Its controlled spray pattern boosts engine power output, reduces fuel consumption and lowers exhaust emissions, while the robust construction ensures stable performance and extended service life even under extreme operating conditions in harsh industrial environments, with minimal maintenance requirements for end users.

Suitable for a wide range of heavy equipment across construction, mining, power generation, marine and industrial sectors, it fits hydraulic excavators, wheel loaders, motor graders, generator sets, mining equipment, industrial power units, marine equipment and material handling devices. Every injector comes with a 12-month warranty, and professional installation following OEM specifications plus routine maintenance recommendations such as regular fuel filter replacement and water contamination prevention are advised to maximize its service lifespan.