This is a genuine replacement part that has been sourced from the original manufacturer to be used with electric drills from DeWalt, Black and Decker, and Porter Cable. The metal gear is used to link the armature assembly and the chuck's spindle shaft. This item is priced as a single item.
Split drill case in half by removing the screws, then remove the gear and bearing shaft and keyless chuck. Place shaft in a vice add heat to the bad gear attach a gear puller and remove the gear and first bearing. I add some lube to the shaft and placed the new gear on the shaft and used a deep well socket and tapped the new in place the
... Read moren added the bearing and used a deep well socket then tapped it in place. Reinstalled the shaft back into the drill and then put the drill back together. PS do not forget to add more grease on the gears.
1 Removed drill chuck
2 Separated the case halves
3 Removed the damage gear and output shaft assembly
4 Removed the gear and one bearing by putting the shaft in the vise and using a punch to separate them [ make sure you notice which way the gear hub faces]
5 Installed the new gear using a socket to drive it on the
... Read moren the bearing
6 Reinstall the output shaft assembly
7 Reinstalled the case halves
8 Reinstall the drill chuck
9 Test the drill, worked OK
1. Opened the drill and removed the shaft with the bearing and gear.
2. Heated the gear with a torch and then, used gear puller to remove the bearing first. Then, pulled the stripped gear.
3. Lubricated the shaft and gear and used a deep socket to hammer the gear and the bearing back onto the shaft.
4. Works great!
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Model Cross Reference
This part works with the following models:
ERP Number: ERP11929795
Manufacturer Part Number: N437049
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
