Part Location Diagram of 5140020-12 DeWALT Spindle&gr.assembly
See part 57 in the diagram
( Grid squares measure 1x1 inch )

Spindle&gr.assembly 5140020-12

Manufactured by:
DeWALT
ERP Number:
ERP10176491
Part Number:
5140020-12
Original Equipment Manufacturer ?
$19.55
In Stock
Delivers in 3-5 Business Days!

Easy 

15 - 30 mins 

(2 rated repairs) ?

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Product Description

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This is a genuine DeWALT, Black & Decker, and Porter Cable replacement part used in compatible grinders. The spindle and gear assembly goes next to the spring washer. You may need a screwdriver when replacing this item. It is made out of metal and will require replacing if it breaks. This is available as an individual replacement part.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Black and Decker
  • Porter Cable
This part works with the following products:
  • Angle Grinder
  • Grinder
Part# 5140020-12 replaces these:
5140020-12,

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 

15 - 30 mins 

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

Pinion and gear stripped out

David from Terre Haute, Indiana

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
596405-00, 5140020-12
I took the gear housing off remove the gear assembly and the pinion gear replaced it with a new one (gear assembly and pinion) reattach the gear housing plugged it in tried it work just fine
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Bearings were bad

Marvin from Ludington, Michigan

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
596398-00, 5140020-12
1. Removed screws
2. Removed spindle and gear assembly
3. Pulled old bushing and installed new bushing
4. Installed new lube.
5. Installed new spindle and gear assembly
6. Installed screws
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP10176491
Manufacturer Part Number: 5140020-12
Brand Model Number Description
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