Compatible replacement brush bar assembly to fit Dyson DC24 vacuum cleaners. Dyson Advice, Dyson Spare Parts, Dyson Service Manuals, Dyson User Manuals, Dyson Service Guide and Dyson DIY Repairs. Log in. The filters may be blocked. Dyson DC24 Brush Bar/Agitator End Cap Assembly, Light Steel, 915934-02. (52) 52 product ratings - Brush Roll Beater Bar Agitator for Dyson DC24 Ball Vacuum Cleaner w End Cap Part. or Best Offer. Free postage. February 11th, 2011 | Posted in Dyson DC24 | 58 Comments,