The Cat 326-4740 is a genuine Caterpillar Common Rail Fuel Injector designed for precision and durability. Engineered specifically for Cat C7 and C7.1 engines, this component plays a critical role in the fuel system by delivering a precise amount of atomized fuel directly into the combustion chamber. Its robust construction ensures reliable performance under the demanding conditions of heavy-duty applications, leading to optimized engine performance, improved fuel efficiency, and reduced emissions. This injector is a direct OEM replacement, guaranteeing a perfect fit and restoring your equipment to factory specifications.