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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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Browse Parts for
DCD991B TYPE 1 Power Tools
Ring Gear N156100
#16

Main asy diagram

Ring gear

Part #N156100

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

Shifter N375867
#21

Main asy diagram

Shifter

Part #N375867

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

Warning Label N449354
#49

Main asy diagram

Warning label

Part #N449354

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

Speed Selector N393603
#47

Main asy diagram

Speed selector

Part #N393603

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

Sensor Assembly N404613
#7

Main asy diagram

Sensor assembly

Part #N404613

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

Housing Assembly N419328
#31

Main asy diagram

Housing assembly

Part #N419328

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

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