This is a manufacturer sourced replacement seal. It is specially produced for use with Dynabrade sanders. This is one of the seals for the tip valve/inlet bushing. Over time seals tend to shrink and crack allowing for air leaks. At that time it should be replaced to maintain top performance. It is made out of rubber material and it is sold individually.

Replacing this item you would need a wrench to replace this item.

Genuine Dynabrade replacement part, this item is sold individually.
The purpose of the 56027 Muffler is to lessen the noise of the air coming from the exhaust of the tools listed below.
It will also filter out the excess oil that is in the tool.
Once these Inserts get dirty and clogged they should be replaced.

This is an authentic OEM component from Dynabrade. The plastic muffler cap is compatible with many sander devices. Fitted in the muffler assembly, the part secures the muffler insert. This part is made to help decrease the exhaust noise and capture any excess oil. The muffler cap is sold individually. A wrench and a screwdriver may be needed for the installation.