| Heavy Motions ® | Parker® Reference Number | Description |
| 5151-PEC | | 5151, PORT END COVER, BLANK, DOWELED |
| 5151-PEC-NPT-1.25 | | 5151, PORT END COVER, PORTED 1-1/4″ NPT, DOWELED |
| 5151-PEC-NPT-1.5 | | 5151, PORT END COVER, PORTED 1-1/2″ NPT, DOWELED |
| 5151-PEC-ORB | 315-3220-332 | 5151, PORT END COVER, PORTED #20 ORB, DOWELED |
| PL-1025-17 | 315-8217-101 | 5151, 1-3/4″ GEAR HOUSING, DOWELED |
| PL-1025-20 | 315-8220-101 | 5151, 2″ GEAR HOUSING, DOWELED |
| PL-1025-22 | 315-8222-101 | 5151, 2-1/4″ GEAR HOUSING, DOWELED |
| PL-1025-25 | 315-8225-101 | 5151, 2-1/2″ GEAR HOUSING, DOWELED |
