Cummins original 4307776 Diesel Fuel Injector Assembly for N14 QSN14 Engines Excavator Attachment Fuel Injector Cross Reference 3081315 3411381 4307516 original new injector

Engineered to meet the demanding requirements of the Cummins N14 diesel engine platform, the 4307776 fuel injector delivers dependable performance across heavy duty applications. Manufactured to OEM-quality standards, this injector serves as a reliable replacement for the N14, N14 Celect, and N14 Celect Plus electronic control engines, ensuring precise fuel delivery and consistent combustion under continuous heavy load operation.

This injector provides stable fuel injection performance that supports improved fuel economy, reduced engine vibration, and lower emissions. Built for high durability, it offers a long service life in demanding environments. The unit cross-references to a wide range of authorized numbers, including 4307776RX, 3077760, 3411754, 3411756, 3411757, 3411760, 3411761, 3411762, 3803528, 3803938, 3803939, 3803940, 3803941, and 3803942, simplifying part identification and fleet inventory management.

Suitable for Cummins N14-powered Freightliner, Peterbilt, Kenworth, International, Volvo, and Mack trucks, as well as construction, mining, agricultural, marine, and power generation equipment, this component is a versatile solution for diverse operations. To maximize service life, use high-quality diesel fuel, replace fuel filters regularly, drain water separators frequently, and conduct routine injector balance testing. Diagnostic procedures such as injector return flow tests, fuel pressure tests, ECM fault code scans, and cylinder balance tests help maintain optimal engine reliability.