Exploded parts diagram and parts list for the DEWALT DW420 Random Orbit Sander. Find the item number on the drawing, then match it in the parts list. Genuine OEM replacement parts with free US shipping.
Pick your type number first. It is on the nameplate label (for example "Type 2"). Parts can differ between types.
Type:
| # | Part # | Description | Shop |
|---|---|---|---|
| 1 | 578863-03 | Armature 115V | Not stocked, ask us |
| 2 | 807254-08 | Field 115V | Not stocked, ask us |
| 3 | 445861-25 | Brush 115V | Single $11.98 2-Pack $18.98 |
| 4 | 445860-00 | Brush Spring | Single $7.99 2-Pack $11.98 4-Pack $16.98 10-Pack $22.98 |
| 5 | 449899-05 | Ring | Single $8.95 2-Pack $24.98 |
| 6 | 144960-00 | Switch | Single $5.99 2-Pack $9.98 5-Pack $18.99 |
| 7 | 330072-97 | Cordset | Single $17.98 2-Pack $30.98 |
| 8 | 605040-15 | Bearing Ball | Single $8.99 2-Pack $11.98 |
| 9 | 605040-05 | Bearing | Single $8.49 2-Pack $30.98 |
| 10 | 616020-00 | Fan | Not stocked, ask us |
| 11 | 380382-00 | Cover Housing | Not stocked, ask us |
| 13 | N918736 | Cord Protector | Single $8.98 |
| 14 | 142519-00 | Cable Clamp | Not stocked, ask us |
| 15 | 285252-00 | Cap | Not stocked, ask us |
| 16 | 144989-00 | Terminal & Lead | Not stocked, ask us |
| 17 | 445964-00 | Terminal | 2-Pack $6.49 4-Pack $7.99 |
| 18 | 825209-00 | Connector | Not stocked, ask us |
| 19 | 380605-01 | Shroud Clamshel | Not stocked, ask us |
| 21 | 286181-00 | Repair Kit | Not stocked, ask us |
| 22 | 603637-00 | Retainer | Not stocked, ask us |
| 23 | 605040-27 | Bearing | Single $11.99 2-Pack $13.95 |
| 24 | 151662-00 | Pad,Psa(Med)5In | Single $19.98 2-Pack $27.98 |
| 25 | 151549-00 | Baffle | Not stocked, ask us |
| 26 | 151553-00 | Brake | Single $15.98 2-Pack $21.98 |
| 27 | 144983-07 | Cover | Single $9.98 2-Pack $10.99 |
| 32 | 700871-00 | O Ring | Not stocked, ask us |
| 33 | 330019-11 | Screw | Single $4.99 2-Pack $5.99 |
| 34 | 098012-11 | Screw | Single $5.98 2-Pack $6.49 |
| 35 | 146929-01 | Screw | Single $8.98 2-Pack $8.98 |
| 36 | 330019-02 | Screw | Single $5.49 2-Pack $19.98 4-Pack $21.98 10-Pack $14.99 |
| 37 | 330019-08 | Screw | Not stocked, ask us |
| 38 | 330019-03 | Screw | Single $5.49 2-Pack $7.49 |
| 39 | 330019-13 | Screw | Single $5.49 |
| 40 | 151652-00 | Washer | Single $5.49 2-Pack $6.49 |
| 41 | 398399-00 | Brand Label | Not stocked, ask us |
| 42 | 606648-00 | Nameplate | Not stocked, ask us |
| 43 | 151669-00 | Circlip | Not stocked, ask us |
| 44 | 144956-00 | Nut | Not stocked, ask us |
| # | Part # | Description | Shop |
|---|---|---|---|
| 1 | 616618-00SV | Armature & Brgs | Not stocked, ask us |
| 2 | 615795-00SV | Field | Not stocked, ask us |
| 3 | 445861-25 | Brush 115V | Single $11.98 2-Pack $18.98 |
| 4 | 445860-00 | Brush Spring | Single $7.99 2-Pack $11.98 4-Pack $16.98 10-Pack $22.98 |
| 5 | 449899-05 | Ring | Single $8.95 2-Pack $24.98 |
| 6 | 144960-00 | Switch | Single $5.99 2-Pack $9.98 5-Pack $18.99 |
| 7 | 330072-97 | Cordset | Single $17.98 2-Pack $30.98 |
| 8 | 605040-15 | Bearing Ball | Single $8.99 2-Pack $11.98 |
| 9 | 605040-05 | Bearing | Single $8.49 2-Pack $30.98 |
| 10 | 616020-00 | Fan | Not stocked, ask us |
| 11 | 380382-00 | Cover Housing | Not stocked, ask us |
| 13 | N918736 | Cord Protector | Single $8.98 |
| 14 | 380414-00 | Cord Clamp | Not stocked, ask us |
| 15 | 285252-00 | Cap | Not stocked, ask us |
| 16 | 144989-00 | Terminal & Lead | Not stocked, ask us |
| 17 | 445964-00 | Terminal | 2-Pack $6.49 4-Pack $7.99 |
| 18 | 825209-00 | Connector | Not stocked, ask us |
| 19 | 380605-01 | Shroud Clamshel | Not stocked, ask us |
| 21 | 603664-00 | Retainer | Not stocked, ask us |
| 22 | 603637-00 | Retainer | Not stocked, ask us |
| 23 | N570313 | Bearing | Single $9.95 |
| 24 | 151662-00 | Pad,Psa(Med)5In | Single $19.98 2-Pack $27.98 |
| 25 | 151549-00 | Baffle | Not stocked, ask us |
| 26 | 151553-00 | Brake | Single $15.98 2-Pack $21.98 |
| 27 | 144983-07 | Cover | Single $9.98 2-Pack $10.99 |
| 32 | 700871-00 | O Ring | Not stocked, ask us |
| 33 | 330019-11 | Screw | Single $4.99 2-Pack $5.99 |
| 34 | 098012-11 | Screw | Single $5.98 2-Pack $6.49 |
| 35 | 146929-01 | Screw | Single $8.98 2-Pack $8.98 |
| 36 | 330019-02 | Screw | Single $5.49 2-Pack $19.98 4-Pack $21.98 10-Pack $14.99 |
| 37 | 330019-08 | Screw | Not stocked, ask us |
| 38 | 330019-03 | Screw | Single $5.49 2-Pack $7.49 |
| 39 | 330019-13 | Screw | Single $5.49 |
| 40 | 151652-00 | Washer | Single $5.49 2-Pack $6.49 |
| 41 | 398399-00 | Brand Label | Not stocked, ask us |
| 42 | 616719-00 | Nameplate | Not stocked, ask us |
| 43 | 151669-00 | Circlip | Not stocked, ask us |
| 44 | 144956-00 | Nut | Not stocked, ask us |
More parts that fit the DEWALT DW420
- DeWalt Genuine OEM Replacement Bearing Combo - CMB149
- DeWalt Replacement (2 Pack) Bearing (6202DW) - 330003-75-2PK
- DeWalt Replacement Bearing (6202DW) # 330003-75
- DeWalt 2 Pack of Genuine OEM Ball Bearings + Ball Bearings # COMBO00240
- DeWalt Genuine OEM Replacement Bearing Combo # COMBO00149
Can't find your part? Contact us with your model and type number. Search all parts diagrams or shop all DEWALT parts.