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DW420 (Type 2) DeWALT Sander Polisher - Overview

Diagrams for DW420

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Sander Pad (5-inch) – Part Number: 151662-00
$15.33
In Stock
Sander Pad (5-inch)
Part #151662-00
This Pad is designed for the "Adhesive Backed" Sanding Pads.rnThe (PSA) sander pad is a direct replacement for many Dewalt orbital sanders. It is a genuine Dewalt part, not off-brand. It features a foam body attached to a metal backing plate. It also has a sturdy smooth style bottom for use with sticky adhesive sandpaper. This pad does not have vacuum holes. It is 5" in diameter. This pad is compatible with the Dewalt sanders listed below. This pad is interchangeable with sanders fitted with 5" hook-and-loop pads. If you prefer to fit your sander with hook-and-loop sandpaper instead of adhesive, you will need the hook-and-loop pad listed under "Related Products" below. Model compatibility is the same.
Brush Spring – Part Number: 445860-00
$6.40
In Stock
Brush Spring
Part #445860-00
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.
Dust Seal – Part Number: 151553-00
$13.33
In Stock
Dust Seal
Part #151553-00
Genuine OEM replacement part, this item is sold individually. The 151553-00 Dust Seal/Brake is a dual propose part. It is a Dust Seal to help prevent dust and debris from entering the motor assembly. It also acts as a Brake to keep the sanding pad at lower RPM so the sander will work properly. It is a good idea to replace this part when you are replacing the sanding pad.
Bearing Retainer – Part Number: 603637-00
$6.40
In Stock
Bearing Retainer
Part #603637-00
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.
Receptacle – Part Number: 445964-00
$6.40
Special Order
Receptacle
Part #445964-00
It is a high-quality OEM part that is specially made for Porter Cable, Black and Decker and DeWALT power tools. The receptacle is designed to safely secure and connect a wire. It is an identical replacement for a faulty or a missing part that was installed on a new unit. To ensure the correct application, refer to the appropriate diagrams of your model. Note, this high-quality receptacle is made of durable metal and is sold individually. You will need a screwdriver to take the housing apart when replacing this component.
Switch Cover – Part Number: 144983-07
$6.40
In Stock
Switch Cover
Part #144983-07
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.
Bearing Retainer – Part Number: 603664-00
$6.40
In Stock
Bearing Retainer
Part #603664-00
This authentic item is supplied by the original manufacturer for DeWALT random orbit sanders. It is the bottom half of the bearing retainer which is utilized to secure the armature bearing. The part is secured three screws which also attach the sanding pad. Note, the hardware is sold separately. It provides a high-quality replacement for a missing or a damaged part that was installed on a new unit. Make sure to refer to the owner's manual and the diagrams of your model for the correct installation of this component. You will need a screwdriver to perform this repair.
Screw – Part Number: 330019-11
$6.40
In Stock
Screw
Part #330019-11
This replacement screw is a high quality hardware that is specially manufactured for use with Dewalt, Black and Decker and Porter Cable power tools. It is a authentic OEM sourced item that has multiple applications depending on the unit, for correct location and use of this screw make sure to check appropriate diagrams. Please note this torx screw is sold individually.
On-off Switch – Part Number: 144960-00
$6.40
In Stock
On-off Switch
Part #144960-00
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 polarity. 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.
Power Cord (10-foot) – Part Number: 330072-97
$28.99
In Stock
Power Cord (10-foot)
Part #330072-97
This cord is a genuine DeWalt replacement part and is sold individually. It is constructed with tough, thick outer rubber insulation for a long service life. Power Cord Specifications: • 2 Prongs • 2 Wires • 18 Gauge • 10 Feet Long
Electric Drill Cord Protector – Part Number: 330005-01
$10.56
In Stock
Electric Drill Cord Protector
Part #330005-01
This genuine cord protector, also known as a strain relief boot, is designed to safeguard the power cord where it enters your tool housing. Made from flexible, durable material, it helps prevent the cord from bending, twisting, or fraying during regular use, supporting safe and reliable performance. Small but essential, this component is an effective replacement if the original protector is worn or damaged, helping extend the life of your tool and maintain proper cord alignment.
Screw – Part Number: 330019-03
$6.40
In Stock
Screw
Part #330019-03
This replacement screw is an authentic OEM sourced item, not an aftermarket equivalent. This is screw is used in a lot of different applications depending on your tool. Please check appropriate diagrams for correct use and location of this screw. This pan head screw is sold individually. You will need a torx screwdriver when working with this hardware.

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