Porter Cable
Power Sander

Model # 503 Official Porter Cable sander

Here are the diagrams and repair parts for Official Porter Cable 503 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 135 parts  |

Frame Protector Bar 802185
#64

Belt sander diagram

Frame protector bar

Part #802185

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

Sander Motor Brush Cap 803483
#3A

Belt sander diagram

Sander motor brush cap

Part #803483

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

Cap 803365
#279

Belt sander diagram

Cap

Part #803365

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

Baffle Screw 802350
#256

Belt sander diagram

Baffle screw

Part #802350

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

Lock Nut 823254
#258

Belt sander diagram

Lock nut

Part #823254

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

Screw 847048
#237

Belt sander diagram

Screw

Part #847048

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

Support 877967
#284

Belt sander diagram

Support

Part #877967

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

Power Tool Motor Brush Holder 873497
#3B

Belt sander diagram

Power tool motor brush holder

Part #873497

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

Adj.spring 690671
#264

Belt sander diagram

Adj.spring

Part #690671

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

Felt Seal 801852
#23

Belt sander diagram

Felt seal

Part #801852

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