Front Base Replace For Makita N1900b 316587-5 1923b 1923h Portable Planer Power Tools Accessories Electric Tool Part - Power Tool Accessories - AliExpress
Amazon.com: Buildalot Specialty Carbon Brushes 0857_Makita_1923B for Makita 1923B Powertools - With Spring, Cable and Connector - Replaces 181021-2 & CB-51