Original DeWalt seal N014007 — a precision sealing ring (18 mm ID × 28 mm OD × 7 mm thickness) engineered as the replacement seal/retainer used in DeWalt rotary, chipping and demolition hammers.

This compact seal fits into the beat-piece/retaining assembly to protect internal components from dust and keep lubrication where the impact mechanism needs it, restoring smooth operation and impact consistency.

Example compatible models include D25700K, D25701K, D25712K, D25721K, D25722K, D25723K, D25730K, D25761K, D25762K, D25763K, D25840K, D25891K, D25899K, D25900K, D25901K and D25902K.

Supplied as a single original DeWalt part, this N014007 seal is an easy-to-fit replacement when you need a reliable sealing component from parts for power tools to get your hammer back in service without fuss.