DeWalt
Power Sander

Model # DW421 Official DeWalt sander

Here are the diagrams and repair parts for Official DeWalt DW421 sander, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 47 parts  |

Sander Screw 98012-11
#34

Unit parts diagram

Sander screw

Part #98012-11

The manufacturer no longer makes this part, and there's no substitute part

Terminal 144989-00
#16

Unit parts diagram

Terminal

Part #144989-00

The manufacturer no longer makes this part, and there's no substitute part

Screw 330019-11
#33

Unit parts diagram

Screw

Part #330019-11

The manufacturer no longer makes this part, and there's no substitute part

Screw 330019-08
#37

Unit parts diagram

Screw

Part #330019-08

The manufacturer no longer makes this part, and there's no substitute part

Sander Dust Seal 151553-00
#26

Unit parts diagram

Sander dust seal

Part #151553-00

The manufacturer no longer makes this part, and there's no substitute part

Screw 330019-03
#38

Unit parts diagram

Screw

Part #330019-03

The manufacturer no longer makes this part, and there's no substitute part

Washer 151652-00
#40

Unit parts diagram

Washer

Part #151652-00

The manufacturer no longer makes this part, and there's no substitute part

Cord Clamp 142519-00
#14

Unit parts diagram

Cord clamp

Part #142519-00

The manufacturer no longer makes this part, and there's no substitute part

Drill Motor Brush Spring 445860-00
#4

Unit parts diagram

Drill motor brush spring

Part #445860-00

The manufacturer no longer makes this part, and there's no substitute part

Ring 151669-00
#43

Unit parts diagram

Ring

Part #151669-00

The manufacturer no longer makes this part, and there's no substitute part