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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.

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

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Model diagram and schematic

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ALL PARTS
Showing 10 of 135 parts  |
Pinion Plate 839053
#268

Belt sander diagram

Pinion plate

Part #839053

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

Sears Grnd Screw 844107
#225

Belt sander diagram

Sears grnd screw

Part #844107

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

Porter Cable Front Grid 865254
#61

Belt sander diagram

Porter cable front grid

Part #865254

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

Nut 802969
#219

Belt sander diagram

Nut

Part #802969

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

Knob 839279
#84

Belt sander diagram

Knob

Part #839279

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

Oil Instruction Plate 859090

#NI05

All parts diagram

Oil instruction plate

Part #859090

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

Screw 863393
#252

Belt sander diagram

Screw

Part #863393

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

Washer 803317
#263

Belt sander diagram

Washer

Part #803317

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

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