12523149-1-M-DeWALT-N438742-Transmission Assembly
Part Location Diagram of N438742 DeWALT Transmission Assembly
See part 1 in the diagram
( Grid squares measure 1x1 inch )
12523149-1-S-DeWALT-N438742-Transmission Assembly Part Location Diagram of N438742 DeWALT Transmission Assembly

Transmission Assembly N438742

Works With Model DCD791D2R!
$128.95
In Stock
Fix Number:
FIX12523149
Manufacturer #:
N438742
Manufactured by:
DeWALT
Works With Model DCD791D2R!

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Product Description

Maintain the power and performance of your drill with this transmission assembly, a critical gearbox component that transfers power from the motor to the chuck while providing the speed and torque needed for drilling and fastening applications. A worn or damaged transmission can cause slipping, loss of torque, or speed selection issues, making replacement an effective way to restore proper tool operation. Designed as a complete OEM replacement assembly, it helps return your drill to smooth, reliable performance. Refer to your tool's parts diagram or service manual to confirm the correct application before installation. Sold individually.

  • Works with the following brands:
    DeWALT
  • Works with the following products:
    Electric Drill, Cordless Drill
Works with the following brands:
DeWALT
Works with the following products
Electric Drill, Cordless Drill

Questions and Answers

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Model Compatibility

This part works with the following models:
Fix Number: FIX12523149
Manufacturer Part Number: N438742
Brand Model Number Description
DeWALT DCD791B Hammer Drill - 20v Max Brushless Cordless Compact 1/2-Inch (13mm) Drill/Driver
DeWALT DCD791B-B3 Hammer Drill - 20v Max Brushless Dd Bare
DeWALT DCD791D2 Hammer Drill - 20v Max Brushless Cordless Compact 1/2-Inch (13mm) Drill/Driver
DeWALT DCD791D2-AR Electric Drill - 20v Max Brushless Dd Kit-
DeWALT DCD791D2-B2 Electric Drill - 20v Max Brushless Dd Kit-
DeWALT DCD791D2-B2C Electric Drill - 20v Max Brushless Dd Kit-
DeWALT DCD791D2-B3 Electric Drill - 20v Max Brushless Dd Kit-
DeWALT DCD791D2-BR Electric Drill - 20v Max Brushless Dd Kit-
DeWALT DCD791D2R Cordless Drill - Cordless Drill/Driver
DeWALT DCD792B Cordless Drill - 20v Max Xr Tl Com Dd
DeWALT DCD792D2 Cordless Drill - 20v Max Xrtool Tool Connect Drill/Driver
Transmission Assembly
$ 128.95
  In Stock
Stock Status
 In Stock

Item is in stock and will ship today if your order is placed before 4:00 PM Eastern Standard Time.

If your order is placed after 4:00 PM EST, the in stock items will ship on the next business day.

 On Order

Item is not in stock and usually ships 3-5 business days from the time you place your order.

 Special Order

Item is not in stock and usually ships 10-15 business days from the time you place your order.

 NLA - No Longer Available

This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.