![DeWALT Hammer Drill Replacement For Model DW520 Type 1](images/DW520.png)
DeWALT Hammer Drill Replacement Parts For Model DW520 Type 1
![DeWALT](images/1009_large.png)
Find DeWALT DW520 TYPE 1 Parts By Symptom
Choose a symptom to view parts that fix it.
Chuck won't hold bits |
Chuck is stuck open or closed |
Bad vibration |
Won't turn on |
Grinding or squealing sound |
Chuck slips |
Show All Symptoms |
Popular Parts for DeWALT DW520 TYPE 1
![DeWALT DW520 Type 1 Hammer Drill Page A Diagram](images/dewalt/DW520_TYPE_1_WW.gif)
Part Number:330003-04
Discontinued
Note: A & B
Part Number:494622-00
Usually ships in 7 - 12 business days
![DeWALT DW520 Type 1 Hammer Drill 931284 OEM replacement Thrust Washer](images2/photo_not_available.png)
Part Number:931284
Discontinued
![DeWALT DW520 Type 1 Hammer Drill 494623-00 OEM replacement Gearcase](images2/photo_not_available.png)
Part Number:494623-00
Discontinued
![DeWALT DW520 Type 1 Hammer Drill 330004-20 OEM replacement Needle Bearing](images2/photo_not_available.png)
Part Number:330004-20
Usually ships in 7 - 12 business days
Part Number:488148-00
Usually ships in 7 - 12 business days
![DeWALT DW520 Type 1 Hammer Drill 494626-00 OEM replacement Gear](images2/photo_not_available.png)
Part Number:494626-00
Discontinued
![DeWALT DW520 Type 1 Hammer Drill 494627-00 OEM replacement Intermed Spindle](images2/photo_not_available.png)
Part Number:494627-00
Discontinued
![DeWALT DW520 Type 1 Hammer Drill 479369-00 OEM replacement Circlip](images2/photo_not_available.png)
Part Number:479369-00
Discontinued
![DeWALT DW520 Type 1 Hammer Drill 492481-00 OEM replacement Washer](images2/photo_not_available.png)
Part Number:492481-00
Discontinued
![DeWALT DW520 Type 1 Hammer Drill 488147-00 OEM replacement Circlip](images2/photo_not_available.png)
Part Number:488147-00
Discontinued
Part Number:1006305-00
Usually ships in 7 - 12 business days
![DeWALT DW520 Type 1 Hammer Drill 479859-00 OEM replacement Selector](images2/photo_not_available.png)
Part Number:479859-00
Usually ships in 7 - 12 business days
Part Number:323711-34
Usually ships in 7 - 12 business days
Note: 9.0mm Id X 1.5
Part Number:330065-22
Usually ships in 7 - 12 business days
![DeWALT DW520 Type 1 Hammer Drill 494629-00 OEM replacement Nose Assembly](images2/photo_not_available.png)
Part Number:494629-00
Discontinued
Note: Inc 117,118,119
Part Number:330019-30
Usually ships in 7 - 12 business days
Note: M4.55x57 T20 Plstite
![DeWALT DW520 Type 1 Hammer Drill 479865-00 OEM replacement Knob](images2/photo_not_available.png)
Part Number:479865-00
Usually ships in 7 - 12 business days
Part Number:931890-00
Usually ships in 7 - 12 business days
Part Number:323711-34
Usually ships in 7 - 12 business days
Note: 9.0mm Id X 1.5
Part Number:917725-00
Discontinued
Part Number:494630-00
Usually ships in 7 - 12 business days
Part Number:490910-00
Usually ships in 7 - 12 business days
Part Number:939794-02
Usually ships in 7 - 12 business days
Part Number:580787-00
Usually ships in 7 - 12 business days
Part Number:494634-00
Usually ships in 7 - 12 business days
Note: 115v
![DeWALT DW520 Type 1 Hammer Drill 390198-00 OEM replacement Screw](images2/photo_not_available.png)
Part Number:390198-00
Usually ships in 7 - 12 business days
Part Number:478814-00
Usually ships in 7 - 12 business days
![DeWALT DW520 Type 1 Hammer Drill 401878-02 OEM replacement Brush Holder](images2/photo_not_available.png)
Part Number:401878-02
Discontinued
Note: Right
Part Number:401877-02
Usually ships in 7 - 12 business days
Note: Left
Part Number:402759-01
Usually ships in 7 - 12 business days
Part Number:330019-13
In Stock
Note: M4 X 19 T20
![DeWALT DW520 Type 1 Hammer Drill 488142-00 OEM replacement Handle Cover](images2/photo_not_available.png)
Part Number:488142-00
Usually ships in 7 - 12 business days
Part Number:494637-00
Discontinued
Part Number:930026-01
Usually ships in 7 - 12 business days
Part Number:402648-00
Usually ships in 7 - 12 business days
Part Number:401751-00
Usually ships in 7 - 12 business days
Part Number:N081423
Discontinued
Note: 115v
Part Number:870889-02
Backorder: No ETA
Note: 100ml Tube, Paragon
![DeWALT DW520 Type 1 Hammer Drill 488073-21 OEM replacement Rating Plate](images2/photo_not_available.png)
Part Number:488073-21
Discontinued
![DeWALT DW520 Type 1 Hammer Drill 559666-99 OEM replacement Service Tool](images2/photo_not_available.png)
Part Number:559666-99
Discontinued
Note: Support Jig
Part Number:577646-01
Discontinued