Due to upcoming changes in EU import regulations from 1st July 2026, we have temporarily paused deliveries to EU countries.
We are working to restore this service as quickly as possible and thank you for your patience.
The Hitachi HiKoki 944486 O-Ring (1AP-20) is a genuine replacement sealing ring designed for selected Hitachi and HiKoki power tools. It helps maintain an effective seal within compatible assemblies, supporting reliable performance and reducing the risk of air or grease leakage.