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DeWalt
Drill/Driver

Model # DCD991B TYPE 1 Official DeWalt drill/driver

Here are the diagrams and repair parts for Official DeWalt DCD991B-TYPE-1 drill/driver, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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Showing 10 of 35 parts  |
Gear Assembly N375865
#19

Main asy diagram

Gear assembly

Part #N375865

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

Housing Assembly N419328
#31

Main asy diagram

Housing assembly

Part #N419328

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

Side Handle N433408
#44

Main asy diagram

Side handle

Part #N433408

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

Pin 654110-00
#17

Main asy diagram

Pin

Part #654110-00

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

Screw N042665
#40

Main asy diagram

Screw

Part #N042665

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

Lock Ring N195392
#15

Main asy diagram

Lock ring

Part #N195392

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

Shifter N375867
#21

Main asy diagram

Shifter

Part #N375867

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

Keyless Chuck N454251
#12

Main asy diagram

Keyless chuck

Part #N454251

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

Detent Spring N014681
#32

Main asy diagram

Detent spring

Part #N014681

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

Fwd/rev Button N431555
#36

Main asy diagram

Fwd/rev button

Part #N431555

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

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