Part Location Diagram of 5140021-92 DeWALT Switch
See part 103 in the diagram
( Grid squares measure 1x1 inch )

Switch 5140021-92

Manufactured by:
DeWALT
ERP Number:
ERP18981503
Part Number:
5140021-92
Original Equipment Manufacturer ?
  Works with your model  PC750AG!
$22.88
In Stock
Delivers in 3-5 Business Days!

Easy 

Less than 15 mins 

(4 rated repairs) ?
  Works with your model   PC750AG!

Product Description

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This is a genuine replacement part manufactured for use with angle grinders. The switch is located inside the handle and is used to relay electricity from the cord to the motor. A sign of a bad switch is trouble starting up then running smoothly once the grinder gets started. This switch is sold individually.

Troubleshooting

This part works with the following brands:
  • Black and Decker
  • Porter Cable
  • Stanley
This part works with the following products:
  • Angle Grinder
  • Grinder
Part# 5140021-92 replaces these:
5140021-92,

Questions & Answers

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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

Easy 

Less than 15 mins 

(4 rated repairs) ?
  • 1
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Sorry, we couldn't find any existing installation instruction that matched.

Power switch stuck in on position

Carl from Parkville, Maryland

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers
Parts Used:
5140021-92, 5140014-98
1. Removed grip cover
2. Remove old switch.
3. Install new switch
4. Remove original brushes
5. Install new brushes.
6. reposition trigger switch mechanism.
7. Reinstall grip covers.
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Spring broke in the off/on switch

Sherman from Pittsboro, North Carolina

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
5140021-92
3s crews to open the case then there are 4 wires on the switch to swap out. Quick and easy. Just snap a photo to get the wires back it the original position s.
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Grinder would not shut off

Wayne from Sherwood, Arkansas

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Pliers, Screw drivers
Parts Used:
5140021-92
Simply changed damaged switch with the new one I got from you. I\'m very happy, and impressed how fast the part came... well done!
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Broken trigger switch

frankye from CLYMAN, Wisconsin

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers
Parts Used:
5140021-92
Removed handle covers, removed the wires to switch, pulled the switch out and replaced with new one, installed wires and replaced handle covers, relatively straight forward and easy
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP18981503
Manufacturer Part Number: 5140021-92
Brand Model Number Description
Black and Decker 11651 Angle Grinder - 4-1/2 Small Angle Grinder
Black and Decker FS8500AG Angle Grinder - FireStorm 8.5A - 4-1/2" Angle Grinder
Black and Decker G950 Angle Grinder - Grinder
Black and Decker G950-B3 Grinder - Small Angle Grinder
Black and Decker G950B-B3 Grinder - Small Angle Grinder
Black and Decker G950C Angle Grinder - Grinder
Porter Cable PC750AG Angle Grinder - 7.5 Amp Small Angle Grinder
Black and Decker QP650B Angle Grinder - 4-1/2 Angle Grinder
Stanley STGS1011-B3 Grinder - 1000w Rat Tail Sag
Stanley STGS1011-BR Grinder - 1000w Rat Tail Sag