4039 (SER 559-9900) Milwaukee Electric Drill - Overview

This water hose adapter is a genuine OEM supplied replacement part that is specially made for Milwaukee electric drills. It is a high quality item that allows user to attach the water hose. Please note this durable brass adapter is sold individually.

This high-quality part is supplied directly from the original equipment manufacturer. It is specially designed for Milwaukee drills. The shut off valve allows a user to turn on and off the water flow. Over time components may wear out or get damaged eventually requiring a replacement. This high-quality shut off valve is made of durable me...Read moretal and is sold individually. Make sure to refer to the owner's manual and the diagram for your model to ensure the proper replacement procedure. You will need a wrench set to perform this repair.

This is an authentic replacement part manufactured for use with Milwaukee drills. The special gear is the middle gear located on the shorter pinion shaft and connects to the shaft by a woodruff key. The gear is sold as an individual replacement part, please note the spindle shaft and woodruff key are available separately. Recommended parts • Woodruff Key, part number: 06-42-1600

The ball bearing fits between the pinion shaft and the gear case. This is available as an individual replacement part. This part is an OEM from Milwaukee for use in electric drills, dymodrills, and drivers. A screwdriver might be needed during the installation process. It is made of metal and will require replacing if it wears down.

This Woodruff key is supplied directly from the original equipment manufacturer. The metal item is made for use with many power tools. This item is often fitted into the main assembly's split coupler. The key is designed to secure gears and shafts to engine components. Please be sure to refer to the specific manual and diagrams for repair...Read more instructions. This part is sold individually. A wrench, hex key and a screwdriver may be helpful in making the replacement.

This is an authentic OEM sourced retaining ring which is designed for use with Milwaukee electric drills. It is the special hardware that is secured on the spindle sleeve to secure the shear pin. This item provides an identical replacement for a missing or a faulty component that was installed on a new unit. Refer to the appropriate diagr...Read moreams of your model for the exact location and the correct installation of this retaining ring. One durable metal part is included. You will need pliers to remove the old one and secure the new one.

This is a genuine replacement part sourced directly from the manufacturer. The pinion shaft is commonly found in Milwaukee drills. This part is made of metal, and is placed to transfer power from the armature to the gears. You may require a screwdriver when replacing this item. The pinion shaft is sold as an individual replacement part.

Included in part number 28-50-4045