These replacement DeWalt Brushes for the DW849 keep your rotary polisher running strong by restoring proper contact between the motor and commutator, which is essential for consistent power delivery and reliable operation. Over time, motor brushes naturally wear down, and swapping in a fresh set is the simplest way to prevent power loss, sparking, and performance issues that can interrupt your correction work. Designed to fit your DW849 buffer, they help extend the working life of your machine so you can keep tackling swirls and defects without downtime. Keeping a spare set in your kit means you're always ready to get back to polishing when the old brushes reach the end of their service life. Install them and restore your DeWalt polisher to smooth, dependable performance for continued professional results.