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DeWALT DW420 TYPE 1 Random Orbit Sander dewalt logo

 DeWALT DW420 TYPE 1 Random Orbit Sander Parts

Page A

 Fig # Img Part Name Availability Price
1Armature With Bearings Obsolete - Not Available
Part #: 578863-03
Discontinued
N/A
2Field Obsolete - Not Available
Part #: 807254-08
Discontinued
N/A
3Carbon Brush (Sold Individually)
Part #: 445861-25
Note: Sold Individually
In stock
25+ available
 $5.80
Add To Cart
4Brush Spring
Part #: 445860-00
In stock
25+ available
 $3.99
Add To Cart
5Brush Ring, Brushes Sold Seperately
Part #: 449899-05
In stock
5 available
 $17.26
Add To Cart
6Switch (On-Off)
Part #: 144960-00
In stock
8 available
 $4.92
Add To Cart
7Power Cord - 10', 18 Gauge, 2-Wire -Terminals not included
Part #: 330072-97
In stock
14 available
 $21.75
Add To Cart
8Ball Bearing (6000DU)
Part #: 330003-17
In stock
21 available
 $11.01
Add To Cart
9Ball Bearing
Part #: 330003-03
In stock
19 available
 $5.45
Add To Cart
10Fan
Part #: 616020-00
In stock
2 available
 $3.99
Add To Cart
11Clamshell Set
Part #: 380382-00
Ships in 10 - 13 business days
 $19.29
Add To Cart
13Cord Protector
Part #: 330005-01
In stock
25+ available
 $5.06
Add To Cart
14Clamp,Cord,Flat
Part #: 142519-00
Ships in 10 - 13 business days
 $1.20
Add To Cart
15Cap and Screws
Part #: 285252-00
In stock
3 available
 $7.00
Add To Cart
16Lead Assembly
Part #: 144989-00
In stock
8 available
 $2.99
Add To Cart
Fig #ImgPart NameAvailabilityPrice
17Receptacle
Part #: 445964-00
In stock
15 available
 $2.99
Add To Cart
18Terminal
Part #: 825209-00
In stock
14 available
 $2.99
Add To Cart
19Shroud Clamshell
Part #: 380605-01
Ships in 10 - 13 business days
 $12.62
Add To Cart
21Retainer
Part #: 286181-00
In stock
11 available
 $6.65
Add To Cart
22Bearing Retainer (Self Tapping)
Part #: 603637-00
In stock
17 available
 $3.99
Add To Cart
23Ball Bearing (6202)
Part #: 330003-13
In stock
17 available
 $5.45
Add To Cart
24Sander Pad 5" PSA No Vacuum Holes
Part #: 151662-00
Note: Standard on DW420
In stock
25+ available
 $18.82
Add To Cart
25Baffle
Part #: 151549-00
In stock
2 available
 $3.59
Add To Cart
26Dust Seal/Brake
Part #: 151553-00
In stock
14 available
 $6.37
Add To Cart
27Cover,Switch
Part #: 144983-07
In stock
14 available
 $3.99
Add To Cart
32O Ring
Part #: 700871-00
In stock
2 available
 $7.08
Add To Cart
33Screw
Part #: 330019-11
In stock
21 available
 $1.99
Add To Cart
34Screw,Machine
Part #: 098012-11
In stock
13 available
 $2.99
Add To Cart
35Screw
Part #: 146929-01
In stock
9 available
 $1.99
Add To Cart
36Screw,Plastite
Part #: 330019-02
In stock
21 available
 $1.99
Add To Cart
Fig #ImgPart NameAvailabilityPrice
37Screw
Part #: 330019-08
Ships in 10 - 13 business days
 $1.20
Add To Cart
38Screw
Part #: 330019-03
In stock
24 available
 $2.99
Add To Cart
39Screw,M4X19
Part #: 330019-13
In stock
16 available
 $1.99
Add To Cart
39AScrew
Part #: 330019-11
In stock
21 available
 $1.99
Add To Cart
40Washer,Cone
Part #: 151652-00
In stock
10 available
 $2.99
Add To Cart
41Ident. Label
Part #: 398399-00
In stock
2 available
 $1.20
Add To Cart
42
Nameplate
Part #: 606648-00
Ships in 10 - 13 business days
 $1.37
Add To Cart
43Ring,Retaining
Part #: 151669-00
In stock
2 available
 $1.37
Add To Cart
44Nut
Part #: 144956-00
Ships in 10 - 13 business days
 $1.20
Add To Cart

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Your engine's type number is the second part of the model number stamped on your Briggs & Stratton engine (see picture).

Sander Parts  Polisher Parts

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How to Replace the Bearing Cap Assembly on a Ryobi Random Orbital Sander

If a damaged sander has been grinding at your nerves, this article will show you how to quickly remove and install a new bearing cap assembly.
Quick Fix: How to Replace the Platen on a Belt Sander
Quick Fix: How to Replace the Platen on a Belt Sander

Replacing the platen on a belt sander is a straightforward repair, but getting the fasteners back in place can be tricky. Read this article to learn a handy trick to make re-installing the platen easi...
How to Replace the Pad on a Random Orbital Sander
How to Replace the Pad on a Random Orbital Sander

Use this article's steps to correctly install a compatible backer pad in a random orbit sander.
Discussion
Discussion for the DeWALT DW420 TYPE 1 Random Orbit Sander

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Accessories
Accessories for the DW420

Sandpaper Discs:
See more sandpaper discs 
DW4306
5-Pack Hook and Loop 220-Grit 5" 8 Vac. Sandpaper Discs
$5.24

SR5W000
6-Pack Hook and Loop 60-Grit 5" 8 Vac. Sandpaper Discs
$2.62

SR5R122
25-Pack Hook and Loop 120-Grit 5" 8 Vac. Sandpaper Discs
$15.87

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