Caterpillar Fuel Injector Nozzle, 1278216

Applications 120H, 120H ES, 120H NA, 135H, 135H NA, 320B, 322B, 322B L, 322B LN, 322C, 322C FM, 325B, 325B L, 446B, 446D, 539, 561M, 613C II, 924F, 928G, 938F, 938G, 950F, 950F II, 953C, 963B, 963C, AP-1000
replaces: 1278216, 1077733

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