DDO8900W Dock Door Operator Parts
LiftMaster DDO8900W Dock Door Operator Replacement Parts
Genuine LiftMaster replacement parts for the DDO8900W dock door jackshaft operator. Use the exploded diagram above to identify your part by its key number, then match it to the tables below. Click any part number to go straight to that item.
The DDO8900W runs a 12V DC motor with battery backup, so the logic board, transformer and interface board are specific to this operator and to the LJ8900W family.
Dock Door Operator Repair Parts
| Ref | Part # | Description |
|---|---|---|
| 1 | 050DCDDOWFMC | Logic Board, Dock Door Jackshaft (listing pending) |
| 2 | 041B8861 | Travel Module with Wire Harness |
| 3 | 041C0296 | Transformer, 12V, RJO |
| 4 | 041D1624-2 | Motor, DC, 12V, RJO |
| 5 | 041D0190 | Power Cord, RJO |
| 6 | 041D9042 | Cover (listing pending) |
Installation Parts
| Ref | Part # | Description |
|---|---|---|
| 7 | 71-199010 | Hoist Chain |
| 8 | 02103 | 3-Button Indoor Surface Mount Station (NEMA 1) |
| 9 | 041A6104 | Cable Tension Monitor Kit |
| 10 | 041-0136 | Safety Sensor Kit |
| 11 | 041B6228 | Mounting Bracket Kit, RJO |
| 12 | 041-0155-000 | Safety Sensor Bracket Kit |
| 13 | 041D8615 | Door Shaft Collar, RJO |
| 14 | K002D2085 | Dock Door Interface Board, LMI5 (listing pending) |
| — | 041D9044 | Battery Cover and Logic Board Cover |
| — | 485LM | Battery, 12V |