Porter Cable
Rotary Tool

Model # 399 Official Porter Cable drywall cutout unit

Here are the diagrams and repair parts for Official Porter Cable 399 drywall cutout unit, 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 34 parts  |

Brush Holder 849326
#3B

Drywall cut-out-unit diagram

Brush holder

Part #849326

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

Insulating Sleeve 845757
#117

Drywall cut-out-unit diagram

Insulating sleeve

Part #845757

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

Terminal 845946
#118

Drywall cut-out-unit diagram

Terminal

Part #845946

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

Brush Holder Clip 852452
#123

Drywall cut-out-unit diagram

Brush holder clip

Part #852452

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

Field 681036
#2

Drywall cut-out-unit diagram

Field

Part #681036

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

Retainer 849826
#107

Drywall cut-out-unit diagram

Retainer

Part #849826

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

Ring 802302
#105

Drywall cut-out-unit diagram

Ring

Part #802302

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

Twist-on Wire Connector 846249
#122

Drywall cut-out-unit diagram

Twist-on wire connector

Part #846249

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

Motor Husg 683060
#52

Drywall cut-out-unit diagram

Motor husg

Part #683060

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

Spacer 849328
#101

Drywall cut-out-unit diagram

Spacer

Part #849328

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

Repair guides for electric wall ovens

How to replace a wall oven broil element

How to replace a wall oven broil element

Follow these step-by-step instructions to replace the broiler element in an electric oven.…

Repair difficulty
Time required
 15 minutes or less
How to replace a temperature sensor on an electric wall oven

How to replace a temperature sensor on an electric wall oven

These step-by-step instructions guide you through replacing a temperature sensing probe on an electric wall oven.…

Repair difficulty
Time required
 15 minutes or less
How to replace a wall oven hidden bake element

How to replace a wall oven hidden bake element

These step-by-step instructions guide you through replacing the hidden bake element.…

Repair difficulty
Time required
 30 minutes or less

Articles and videos for electric wall ovens

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Hidden bake element has long preheat

Hidden bake element has long preheat

Here's why ovens with hidden bake elements take longer to preheat.…