This cord protector is a genuine DeWalt replacement part and is sold individually.
Cord Protectors are designed to slide onto your cord and fit securely at the end, where it’s firm rubber will protect the base of the cord from getting bent and pinched, which can expose the wires and become a safety hazard.

This is a belt clip that is sold as an add on to many DeWALT cordless tools.
It will come standard with many new cordless tools, so it can also be purchased as a replacement.
This part is sold as a kit and includes the belt clip, the screw, and installation instructions.
It is a genuine DeWALT part, and is only compatible with the tools listed below.
It is sold individually.

Genuine OEM replacement
This brush is sold individually, 2 are needed for most every electric power tool
It is always best to replace both brushes, even if only one is worn.

Worn brushes frequently are the cause behind a motor running poorly.
Replacing brushes can fix a motor that’s operating intermittently.
New brushes can restore a motor’s electric braking.

Carbon brushes are one of the most commonly replaced power tool parts. This is because carbon brushes are wear items, meaning that through friction and use they will gradually wear away until they need replacing. Worn brushes are a common causes of intermittent motor function, reduced electric braking and reduced motor power. A worn-out brush will often be worn down near to the wire lead and can be cracked, pitted, or burned. When replacing carbon brushes, be sure to inspect your armature for burns, cracks, or other damage which can indicate larger motor problems.

This is a genuine Dewalt replacement part, it is sold in individually with the mounting screw.
The Dewalt Belt Hook is attached to the bottom of the handle assembly on the tool model numbers shown below.
Its purpose is to hook the tool to your belt when not using the tool.

Genuine OEM replacement part, this item is sold individually.
This is part of the bit holder system of the Impact Drivers listed below.
Its purpose is to help hold the screw bit in place, once it has been inserted into the bit holder.

Genuine Dewalt replacement part, this item is sold individually.
The N089668 Steel Ball is part of the chuck assembly of the Impact Drivers shown below.
When you pull back the sleeve of the chuck assembly and insert your bit, the Steel Ball is the part that locks the bit in the chuck assembly.