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Model # 425 Official Porter Cable impact wrench

Here are the diagrams and repair parts for Official Porter Cable 425 impact wrench, as well as links to manuals and error code tables, if available.

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Browse Parts for
425 Impact Wrench
Terminal 849314
#133A

Impact wrench diagram

Terminal

Part #849314

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

Bearing 857399
#11A

Impact wrench diagram

Bearing

Part #857399

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

Washer 802430
#125

Impact wrench diagram

Washer

Part #802430

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

Bearing 839837
#14

Impact wrench diagram

Bearing

Part #839837

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

Screw 854805
#135

Impact wrench diagram

Screw

Part #854805

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

Screw 801374
#110

Impact wrench diagram

Screw

Part #801374

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

Spring 842610
#115

Impact wrench diagram

Spring

Part #842610

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

Sears Lock Washer 802648
#106

Impact wrench diagram

Sears lock washer

Part #802648

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

Sears Grnd Screw 844107
#120

Impact wrench diagram

Sears grnd screw

Part #844107

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

Reliever 843464
#122

Impact wrench diagram

Reliever

Part #843464

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

Most common symptoms to help you fix your stand mixers

Choose a symptom to see related stand mixer repairs.

Main causes: bad wiring connections, faulty speed control plate, electronic control board failure…

Main causes: phase control board failure, wiring connection problem, faulty electronic control board…

Main causes: bad lubricating grease, mixer sitting idle for weeks at a time, mixer running constantly for more than 30 m…

Main cause: worn carbon motor brushes…

Main causes: bad worm gear, damaged planetary gear assembly…

Main cause: attachment clearance setting needs adjustment…

Main causes: lack of electrical power, wiring failure, worn carbon motor brushes, bad drive motor, tripped overload swit…

Most common repair guides to help fix your stand mixers

These step-by-step repair guides will help you safely fix what’s broken on your stand mixer.

How to replace a stand mixer worm gear

How to replace a stand mixer worm gear

Here’s how to replace the worm gear in your stand mixer if it’s worn or damaged.…

Repair difficulty
Time required
 30 minutes or less
How to replace a stand mixer phase control board

How to replace a stand mixer phase control board

The phase control board works with the governor and control plate to control motor speed. Replace the phase control boar…

Repair difficulty
Time required
 30 minutes or less
How to replace stand mixer motor brushes

How to replace stand mixer motor brushes

If the carbon brushes are worn and damaged, replace them using these steps.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your stand mixers

Use the advice and tips in these articles and videos to get the most out of your stand mixer.

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

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Wiring schematic symbols explained video

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