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  DeWALT DW421 TYPE 1 Random Orbit Sander Parts
DeWALT Random Orbit Sander Replacement For Model DW421 Type 1

DeWALT Random Orbit Sander Replacement Parts For Model DW421 Type 1

We Sell Only Genuine DeWALT Parts

Find DeWALT DW421K TYPE 1 Parts By Symptom

Choose a symptom to view parts that fix it.


Popular Parts for DeWALT DW421K TYPE 1

Questions & Answers for DeWALT DW421 Type 1

Page A
DeWALT DW421 TYPE 1 Random Orbit Sander Page A Diagram
 Fig #
1
Armature With Bearings Obsolete - Not Available
 $56.96

Part Number:578863-03

Discontinued

Discontinued
 $56.96
Discontinued
2
Field Obsolete - Not Available
 $30.36

Part Number:807254-08

Discontinued

Discontinued
 $30.36
Discontinued
3
Carbon Brush
 $7.87

Part Number:445861-25

In Stock

In Stock

Note: Sold Individually
 $7.87
In Stock
 $7.87
4
Brush Spring
 $4.99

Part Number:445860-00

In Stock

In Stock
 $4.99
In Stock
 $4.99
5
Brush Ring, Brushes Sold Seper
 $23.42

Part Number:449899-05

In Stock

In Stock

Note: Inc 4
 $23.42
In Stock
 $23.42
6
On-off Switch
 $4.99

Part Number:144960-00

In Stock

In Stock
 $4.99
In Stock
 $4.99
7
Power Cord (10-foot)
 $30.53

Part Number:330072-97

In Stock

In Stock

Note: 120v
 $30.53
In Stock
 $30.53
8
Ball Bearing
 $14.91

Part Number:330003-17

In Stock

In Stock

Note: 7311 Offset Base
 $14.91
In Stock
 $14.91
9
Ball Bearing
 $6.55

Part Number:605040-05

In Stock

In Stock

Note: Id 8 Od 22 X 7mm
 $6.55
In Stock
 $6.55
10
Fan
 $4.99

Part Number:616020-00

In Stock

In Stock
 $4.99
In Stock
 $4.99
11
Clamshell Set Obsolete - Not Available
 $5.11

Part Number:380382-00

Discontinued

Discontinued
 $5.11
Discontinued
13
Cord Protector
 $4.99

Part Number:N918736

In Stock

In Stock
 $4.99
In Stock
 $4.99
14
Clamp,cord
 $3.99

Part Number:380414-00

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
15
Cap And Screws Obsolete - Not Available
 $2.99

Part Number:285252-00

Discontinued

Discontinued
 $2.99
Discontinued
16
Lead Assembly
 $3.99

Part Number:144989-00

In Stock

In Stock

Note: Black, 20ga
 $3.99
In Stock
 $3.99
17
Receptacle
 $4.99

Part Number:445964-00

In Stock

In Stock
 $4.99
In Stock
 $4.99
18
Terminal Obsolete - Not Available
 $2.99

Part Number:825209-00

Discontinued

Discontinued
 $2.99
Discontinued
19
Clamshell Shroud
 $6.39

Part Number:610078-00

In Stock

In Stock
 $6.39
In Stock
 $6.39
21
Retainer ( Includes Self Tappi
 $4.99

Part Number:286181-00

In Stock

In Stock

Note: Inc. 35
 $4.99
In Stock
 $4.99
22
Bearing Retainer
 $5.19

Part Number:603637-00

In Stock

In Stock
 $5.19
In Stock
 $5.19
23
Ball Bearing
 $5.26

Part Number:605040-27

In Stock

In Stock
 $5.26
In Stock
 $5.26
24-A
Hook And Loop Sander Pad
 $27.93

Part Number:151281-08

In Stock

In Stock

Note: H&l, 5in, Medium
 $27.93
In Stock
 $27.93
24-B
Sander Pad (5-inch)
 $25.53

Part Number:151662-00

In Stock

In Stock
 $25.53
In Stock
 $25.53
24-C
Sanding Pad For Adhesive Back
 $27.93

Part Number:151281-09

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: This Pad Accepts Adhesive Backed Paper. There Is No Adhesive On The Pad
 $27.93
Usually ships in 7 - 12 business days
 $27.93
25
Baffle
 $4.99

Part Number:151549-00

In Stock

In Stock
 $4.99
In Stock
 $4.99
26
Dust Seal
 $8.65

Part Number:151553-00

In Stock

In Stock
 $8.65
In Stock
 $8.65
27
Switch Cover
 $4.99

Part Number:144983-07

In Stock

In Stock
 $4.99
In Stock
 $4.99
28
Dust Bag Asm
 $21.72

Part Number:386856-00

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $21.72
Usually ships in 7 - 12 business days
 $21.72
29
Dust Bag Asm
 $21.72

Part Number:386856-00

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $21.72
Usually ships in 7 - 12 business days
 $21.72
30
O-ring
 $5.19

Part Number:56194-00

In Stock

In Stock
 $5.19
In Stock
 $5.19
31
Ring,O Obsolete - Not Available
 $2.99

Part Number:152365-00

Discontinued

Discontinued
 $2.99
Discontinued
31
Dust Bag
 $14.76

Part Number:608354-00SV

In Stock

In Stock

Note: Incl. 69
 $14.76
In Stock
 $14.76
32
O Ring
 $3.99

Part Number:700871-00

In Stock

In Stock
 $3.99
In Stock
 $3.99
33
Screw
 $4.99

Part Number:330019-11

In Stock

In Stock

Note: M4.55x13 T20
 $4.99
In Stock
 $4.99
34
Screw,machine
 $4.99

Part Number:098012-11

In Stock

In Stock
 $4.99
In Stock
 $4.99
35
Screw
 $4.99

Part Number:146929-01

In Stock

In Stock

Note: Thd Forming
 $4.99
In Stock
 $4.99
36
Screw,plastite
 $4.99

Part Number:330019-02

In Stock

In Stock

Note: M3.63 X 13mm T15
 $4.99
In Stock
 $4.99
37
Screw
 $3.99

Part Number:330019-08

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: M3.63 X 45mm T15
 $3.99
Usually ships in 7 - 12 business days
 $3.99
38
Screw
 $4.99

Part Number:330019-03

In Stock

In Stock

Note: M3.63 X 16mm T15
 $4.99
In Stock
 $4.99
39
Screw
 $4.99

Part Number:330019-11

In Stock

In Stock

Note: M4.55x13 T20
 $4.99
In Stock
 $4.99
39A
Torx Screw
 $4.99

Part Number:330019-13

In Stock

In Stock

Note: M4 X 19 T20
 $4.99
In Stock
 $4.99
40
Washer,cone
 $4.99

Part Number:151652-00

In Stock

In Stock
 $4.99
In Stock
 $4.99
41
Ident. Label
 $3.99

Part Number:398399-00

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
43
Ring,retaining
 $3.99

Part Number:151669-00

In Stock

In Stock
 $3.99
In Stock
 $3.99
44
Nut
 $3.99

Part Number:144956-00

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
50
Dust Bag
 $14.76

Part Number:608354-00SV

In Stock

In Stock

Note: Incl. 69
 $14.76
In Stock
 $14.76
861
Kit Box Obsolete - Not Available
 $23.46

Part Number:625383-00

Discontinued

Discontinued
 $23.46
Discontinued
 Fig #
Sander Parts  Polisher Parts

Repair Guides for DeWALT Random Orbit Sander DW421K TYPE 1

Power Tool Care and Maintenance 101

This article suggests guidelines for power tool care and maintenance. It also describes information tools available at eReplacementParts.com.

Power Switch Repair 101

This article is a 101 repair guide for power tool switch replacements, explaining the general steps involved in replacing a switch assembly.

Diagnosing Electric Power Tools 101

This article is a troubleshooting guide for problems and malfunctions common to most electric power tools.

Tool Diagnosis: Is it the Brushes or the Switch?

This article describes the differences between power switch and carbon brush failure symptoms.

Questions & Answers for DeWALT DW421K TYPE 1

Replacing the pad and dust shield, for the pad part 24a, 24b? I want to replace the brake does this have one? Didn't see anything in the parts dia.
John for model number DW421 Type 1 asked on 2023-03-22
Hi John, Thank you for your question. Both pads can be used on your sander. The part numbers listed under your model number for the sanding pads are 151281-09 and 151662-00. The part number listed for the dust bag assembly is 386856-00. The part number for the dust seal/brake is 151553-00. If you would like to place an order for these parts, please call our customer service line and anyone will be happy to assist you. We look forward to hearing from you!
eReplacementParts Team March 22, 2023
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