Product Description
Milwaukee Gear Case Assembly for 2603-20
Model Number: 14-29-2603
The Milwaukee 14-29-2603 is a genuine OEM Gear Case Assembly for the Milwaukee M18 1/2 in. Drill/Driver (2603-20). The gear case is the transmission housing that contains the internal planetary gear sets responsible for converting high-speed motor output into the controlled torque and RPM delivered at the chuck. It is the core drivetrain component of the tool — its gear stages determine the available speed and torque settings, and the housing maintains the correct alignment and lubrication of all gear components during operation. A cracked gear case housing, damaged gear set, or worn gear case that allows gears to bind or strip results in loss of drive, gear noise, or complete drivetrain failure — requiring replacement to restore full drilling and driving performance.
Using a genuine Milwaukee OEM gear case assembly ensures the correct gear ratios, bearing fits, housing geometry, and lubrication specification engineered for the 2603-20. Non-OEM gear cases may not replicate the original gear ratios or maintain the precision tolerances required for long-term drivetrain reliability, leading to premature gear wear or inconsistent torque output. Replacing with an OEM gear case assembly restores the 2603-20 to its original transmission specification. Always verify your catalog number and serial number on Milwaukee's website before ordering to confirm this is the correct gear case for your specific unit.
Features
- Genuine Milwaukee OEM gear case assembly for M18 1/2 in. Drill/Driver 2603-20
- Houses the internal planetary gear sets that convert motor speed to torque at the chuck
- Maintains correct gear alignment, bearing fit, and lubrication during operation
- Restores full drivetrain performance after gear case damage or gear failure
- Verify catalog number and serial number on Milwaukee's website before ordering
Includes
- (1) Milwaukee 14-29-2603 Gear Case Assembly
