Cummins 3073343 Camshaft Gear

The Cummins 3073343 camshaft gear is a critical valvetrain component designed for Cummins N14 and NT855 (340 HP) series heavy-duty diesel engines. It transmits rotational force from the crankshaft to the camshaft, ensuring accurate valve timing for optimal combustion efficiency. Constructed from heat-treated forged steel with high wear resistance, this gear meets OEM specifications for dimensional accuracy and material hardness. It serves as a direct replacement for OEM part numbers 3073343 and 3084986. Suitable for engine overhaul and rebuild applications in commercial trucking, construction machinery, and power generation equipment utilizing the N14 platform.