DW421 (Type 1) DeWALT Sander Polisher - Overview

This Rocker switch has 2 terminals and a compact design for easy installation. This genuine DeWalt replacement part is sold individually. rnrnSwitches are commonly replaced parts in power tools. A switch handles on/off and variable speed functions. They also have a role in electric breaking; they can momentarily reverse electrical polar...Read moreity. Because switches use mechanical internals, they will degrade and wear out over time, eventually requiring replacement. Some common signs of a broken or failing switch are:rn • The tool has completely stopped functioning - it will not turn on.rn • The tool operates intermittently, requiring multiple tries to turn on, until eventually it won't turn on at all.rn • The variable speed function and electric braking aren't working properly.

This item is an authentic, OEM sourced replacement part that is intended to be used with random orbital sanders from DeWalt, Black & Decker, and Porter Cable. The retainer is used to support the bearing between the fan and the sanding pad. This item is available as an individual replacement part.

Genuine OEM replacement part designed for certain Random Orbit Sanders. This item is made out of Metal and it is Sold Individually. This is the bottom Bearing Retainer that keeps the bearing in place. It is attached to the fan with 3 screws which are Sold Separately.

This is a Genuine Manufacturer Sourced replacement part used on a variety of Sanders. This part is made out of Plastic and it is Sold Individually. This part is secured over Switch providing protection from the dust.

This is an original DeWALT replacement part. The O-ring is designed by the manufacturer for use in random orbit sanders. This part is made of flexible rubber, and is used to seal the connection between the clamshell set and the baffle. You may require a screwdriver or Allen wrench when replacing this item. This part is sold individually.

This is a specially designed replacement terminal made for use with a variety of power tools. The purpose of a terminal is to allow user to easily connect a wire. One end of a terminal will allow to secure the wire, while the other end has an opening allowing user to secure it with a screw. Because this terminal is made out of conductive ...Read moremetal it will transfer the electricity through itself. Please note it is sold individually.

This replacement dust bag assembly is a genuine OEM sourced item. It is specially manufactured for use with Dewalt and Black and Decker random orbit sanders. The purpose of this bag is to pick up dust when using the sander. This assembly consists of a fabric bag and the plastic collar. Please note, this item is sold individually.

This genuine DeWalt replacement power cord is built to last, featuring a thick, rugged rubber insulation that stands up to heavy use and tough job site conditions. Designed for reliability and safety, it includes two prongs and two bare wire leads, making it compatible with a variety of tools and applications. The cord measures 10 feet in...Read more length, offering ample reach for flexible tool placement, and uses 18-gauge wiring for efficient power delivery. Whether you're replacing a damaged cord or upgrading your setup, this OEM part ensures dependable performance. Please note: this cord is sold individually and requires proper installation—refer to your tool’s manual or consult a professional if needed.

This is a genuine OEM replacement part, it is sold individually. This part is used to keep the brush tight against the armature so the tool will work properly. Over time when the brushes wear down and heat is created, the spring may lose its tension and will have to be replaced.