| 21600119-1 | Assembly part number | Alco / MLW | | |
| 21600122-1 | Assembly part number | Alco / MLW | | |
| 21600124-1 | Assembly part number | Alco / MLW | | |
| 21600125-1 | Assembly part number | Alco / MLW | | |
| 21600216-1 | Assembly part number | Alco / MLW | | |
| 21600218-1 | Assembly part number | Alco / MLW | | |
| 21600220-1 | Assembly part number | Alco / MLW | | |
| 21600221-1 | Assembly part number | Alco / MLW | | |
| 21600232-1 | Assembly part number | Alco / MLW | | |
| 2160201 | Vibration damper | Alco / MLW | | |
| 21610123-1 | 16 cylinder l 1 and 2 | Alco / MLW | | |
| 21610124-1 | 16 cylinder l 3 and 4 | Alco / MLW | | |
| 21610125-1 | 16 cylinder l 5 and 6 | Alco / MLW | | |
| 21610126-1 | 16 cylinder l 7 and 8 | Alco / MLW | | |
| 21610127-1 | 16 cylinder l 1 and 2 | Alco / MLW | | |
| 21610128-1 | 16 cylinder l 3 and 4 | Alco / MLW | | |
| 21610129-1 | 16 cylinder l 5 and 6 | Alco / MLW | | |
| 21610130-1 | 16 cylinder l 7 and 8 | Alco / MLW | | |
| 21610140-1 | 12 cylinder r 1 and 2 | Alco / MLW | | |
| 21610141-1 | 12 cylinder r 3 and 4 | Alco / MLW | | |
| 21610142-1 | 12 cylinder r 5 and 6 | Alco / MLW | | |
| 21610164-1 | 12 cylinder l 1 and 2 | Alco / MLW | | |
| 21610165-1 | 12 cylinder l 3 and 4 | Alco / MLW | | |
| 21610166-1 | 12 cylinder l 5 and 6 | Alco / MLW | | |
| 21610176-1 | 6 cyliner gear end | Alco / MLW | | |
| 21610177-1 | 6 cylinder intermediate | Alco / MLW | | |
| 21610178-1 | 6 cylinder free end | Alco / MLW | | |
| 21610218-1 | 16 cylinder r 1 and 2 | Alco / MLW | | |
| 21610219-1 | 16 cylinder r 3 and 4 | Alco / MLW | | |
| 21610220-1 | 16 cylinder r 5 and 6 | Alco / MLW | | |
| 21610221-1 | Camshaft segment, right bank cylinders 7 and 8 | Alco / MLW | | |
| 21610222-1 | 16 cylinder r 1 and 2 | Alco / MLW | | |
| 21610223-1 | 16 cylinder r 3 and 4 | Alco / MLW | | |
| 21610224-1 | 16 cylinder r 5 and 6 | Alco / MLW | | |
| 21610225-1 | 16 cylinder r 7 and 8 | Alco / MLW | | |
| 21610235-1 | 12 cylinder r 1 and 2 | Alco / MLW | | |
| 21610236-1 | 12 cylinder r 3 and 4 | Alco / MLW | | |
| 21610237-1 | 12 cylinder r 5 and 6 | Alco / MLW | | |
| 21610255-1 | 6 cyliner gear end | Alco / MLW | | |
| 21610256-1 | 6 cylinder intermediate | Alco / MLW | | |
| 21610257-1 | 6 cylinder free end | Alco / MLW | | |
| 21610266-1 | 12 cylinder r 1 and 2 | Alco / MLW | | |
| 21610267-1 | 12 cylinder r 3 and 4 | Alco / MLW | | |
| 21610268-1 | 12 cylinder r 5 and 6 | Alco / MLW | | |
| 2161204-2 | Blower end with trilobe for larger thrust area 12 cylinder and 16 cylinder 2600 bhp engine | Alco / MLW | | |
| 2161332 | Bushing (camshaft bushing) (also DLW 10150080) | Alco / MLW | | |