The Ametek 33450-5 is a replacement brush for vacuum motors. Used to replace motor brushes when their length drops below 3/16 of an inch. Compatible with motor model 115330, 115334, 115862, 115937, 115962, 115991, 116103-00, 116118-00, 116119-00, 116137-00, and 116161-00. A genuine OEM Ametek part. Ensures a proper fit and functionality.