Camshaft 3923478 of Cummins 6CTA8.3-M188(SO21992) Marine Engine NO. PART NUMBER PART NAME 1 3923478 Camshaft 2 3902332 Key, Plain Woodruff 3 3415430 Gear, Camshaft 4 3900227 Screw, Hexagon Head Cap 5 3927155 Support, Camshaft Thrust Remarks: (1) We can provide Camshaft 3923478 engine parts, as well as 6CTA8.3-M188 genuine Cummins engine. (2) Above we have listed engine parts Camshaft 3923478 …