Cummins L340-20  Engine Parts, DCEC L340-20  Engine Parts Catalogue, Cummins L340-20  Parts Catalogue Part No. Part Name Part No. Part Name BLOCK,CYLINDER PLUMBING,CYL BLK LBC 3944153 BEARING,MAIN C3678921 PLUG，THREADED 3944158 BEARING,MAIN C3678912 SEAL,O RING 3944163 BEARING,CRANKSHAFT THRUS C3678922 PLUG，THREADED C3008468 PLUG,PIPE C3678923 PLUG,THREADED C3900257 DOWEL, PIN PLUMBING,CYL BLK COOLANT C3901846 DOWEL,PIN C3008469 PLUG,PIPE …