Caterpillar Fuel Injector Nozzle, 1677489

replaces: 1677489

Models: D250E, D250E II, D300E, D300E II, 65C, 65D, 3306, 3306B, 970F and more.

Diesel fuel injection systems components are critical to the performance and emissions of diesel engines. The most crucial component of the fuel system is the fuel injectors/nozzles. Injectors and nozzles need to meet the performance, emissions, reliability, and durability requirements of the engine. Our fuel system components are engineered for exact precision and durability for long service life.

Key Features:

Case hardened needle seat for maximum durability
Ultra precise needle-to-body gap for proper hydraulic performance
Hydraulic grinding for exact fuel delivery and atomization