Amazon.com : 2PCS Upgraded Electric Toothbrush Shaft Rubber Seal Compatible with Philips Sonicare Replacement Parts Toothbrush Head Waterproof Rubber Parts HX6100 HX682a HX686p HX2400 HX6810 HX6836 HX751v HX9690 : Health & Household
Sonicare toothbrush teardown: microcontroller, H bridge, and inductive charging
Amazon.com : Metal Tip Assembly Compatible with Sonicare DiamondClean Toothbrush Handle Repair, Newer Model : Health & Household
How to fix your Sonicare FlexCare Toothbrush - YouTube
Amazon.com : Electric Toothbrush Metal Shaft/Link Rod Parts/Vibrating Tip with Sensor Wire Compatible with Philips HX9900, HX6800, HX7500, HX751v, HX9690 Series L : Health & Household
Amazon.com : Electric Toothbrush Metal Shaft/Vibrating Tip Replacement Parts Compatible with Philips HX6340 HX6530 HX6710 HX6920 HX9140 HX9340 HX8910 HX9350, Shaft Connector Block with Waterproof Rubber Seal : Health & Household
Amazon.com : Electric Toothbrush Metal Shaft/Vibrating Tip Replacement Parts Compatible with Philips HX6340 HX6530 HX6710 HX6920 HX9140 HX9340 HX8910 HX9350, Shaft Connector Block with Waterproof Rubber Seal : Health & Household
Electric Toothbrush Link Rod Part Replacement Compatible with Philips Sonicare Toothbrush HX6920 HX9340 HX6730 HX6340 HX6530 HX9352 HX9382 Metal Shaft Repair Part with Tongue Scraper Cleaner