Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
DeWalt
Power Sander

Model # DW421 TYPE 4 Official DeWalt 3 x 21" belt sander

Here are the diagrams and repair parts for Official DeWalt DW421-TYPE-4 3 x 21" belt sander, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 82 parts  |
Brinley Cover 324593-22
#8

Unit parts diagram

Brinley cover

Part #324593-22

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

Brinley Fan 325026-00
#49

Unit parts diagram

Brinley fan

Part #325026-00

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

Black & Decker Nut 248426-00
#30

Unit parts diagram

Black & decker nut

Part #248426-00

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

Black & Decker Fan 325016-00
#45

Unit parts diagram

Black & decker fan

Part #325016-00

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

Brinley Cover 760984-00
#64

Unit parts diagram

Brinley cover

Part #760984-00

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

Brinley Spacer 720952-00
#23

Unit parts diagram

Brinley spacer

Part #720952-00

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

Brinley Spring 325023-00
#74

Unit parts diagram

Brinley spring

Part #325023-00

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

Black & Decker Cover 248423-00
#33

Unit parts diagram

Black & decker cover

Part #248423-00

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

Black & Decker Spindle 720947-00
#18

Unit parts diagram

Black & decker spindle

Part #720947-00

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

Black & Decker Cover 248424-00
#44

Unit parts diagram

Black & decker cover

Part #248424-00

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

Parts & More

Electric Line Trimmer
Electric line trimmer Parts