Original DeWalt brush kit N544178 — a matched pair of carbon motor brushes designed to restore reliable power and smooth commutator contact in selected Type 2 DeWalt rotary hammers. Each set includes two dense carbon blocks with braided copper leads and coil springs to maintain firm, sprung contact with the commutator, helping reduce sparking and protect the armature.

Fits DeWalt models such as D25333K (Type 2), D25334K (Type 2), D25414K (Type 2) and D25417KT, and is also listed for equivalent Berner models 342988 / 342991 — verify your tool’s model/type before ordering using : PowerToolSpares

Straightforward, direct-fit replacement that can be installed with basic hand tools to get worn rotary hammers back to steady drilling and chiselling performance; this original DeWalt brush set is a genuine DeWalt parts item matched to factory specifications.