Caterpillar original 382-0709 Diesel Fuel Injector, Replacement for OEM C9.3 C9 Engine, fits Excavator 336E 336EL D6T D7E, Engine Assembly original new injector

The CAT C9.3 fuel injector 382-0709 / 3820709 / CA3820709 is engineered as an original-type replacement for Caterpillar C9.3 diesel engines. It delivers precision fuel metering and high-pressure atomization, supporting stable engine performance and cleaner combustion across demanding working conditions. The heavy-duty construction and accurate injector geometry help protect the engine from fuel-related stress while maintaining efficient combustion characteristics.

This injector GP is widely applied in motor graders 12M 3, 140M 3, and 160M 3, the 336F L excavator, the 725C articulated truck, D6T LGP and D6T LGPPAT track-type tractors, 966M, 966M XE, 972M, and 972M XE wheel loaders, the 627K wheel tractor-scraper, and D7E equipment. Database-friendly identification through part numbers 382-0709, 3820709, and CA3820709 enables fast lookup for global distributors, fleet operators, and rebuilders, while listed dimensions of 12.3 inches in length and 4.8 inches in height confirm proper installation. Authorized cross references include 456-3509, 20R-5075, 386-1809, 456-3493, 392-9046, and 417-3013, supporting both aftermarket and service repair channels.

For reliable operation, clean diesel fuel, regular fuel filter replacement, water separator draining, and clean fuel tanks are recommended. Electrical connectors, return flow, cylinder cut-out results, exhaust smoke, and possible fuel dilution in engine oil should be inspected on a scheduled basis. Final fitment must always be verified by engine serial number, arrangement number, and original injector number before installation.