Cummins 4BTA3.9-G2 Engine Parts, DCEC 4BTA3.9-G2 Engine Parts Catalogue, Cummins 4BTA3.9-G2 Parts Catalogue Part No. Part Name Part No. Part Name BLOCK,ENGINE CLEANER,AIR 3927772 BEARING,CRANKSHAFT THRUS C3903210 NUT,HEXAGON FLANGE 3937214 NOZZLE,PISTON COOLING C3913372 SCREW,HEX FLANGE HEAD C3901306 BUSHING C3913372 SCREW,HEX FLANGE HEAD C3903920 BLOCK，CYLINDER C3978436 CLAMP,T BOLT C3007635 PLUG,EXPANSION C4928974 CLAMP,T BOLT C3900965 …