The Cat 3345876 Nozzle Assembly is a genuine OEM component designed for optimal fuel delivery in Caterpillar C7.1 industrial and machine engines. This critical part ensures precise fuel atomization for efficient engine performance and is compatible with various Cat excavators including the 320, 320 GC, 323, and M320 wheel excavators, as well as 538 forest products machines. Weighing approximately 0.1 kg, this nozzle assembly measures 101.6 mm in length, 25.4 mm in width, and 25.4 mm in height.