Amazon.com: Buildalot Specialty Carbon Brushes ca-15-14347 for DeWalt DW821-0.25x0.31x0.53'' - With Automatic Stop, Cable and Spring - Replaces original parts 1003868-00, 930151-00, 930897-00 & 939539-01 : Tools & Home Improvement
DeWalt DW818/DW821 Grinder Replacement Brush Set of 2 # 939539-00-2PK - Walmart.com
Amazon.com: 939539-00 949637-01 NEW Japanese Carbon Brushes compatible with Dewalt DW406 DW818 DW821 & Black-Decker 26437 27742 27703 : Tools & Home Improvement