This part is commonly Used on models:
51827 Flex-Force Power System 60V MAX Leaf Blower
51827T Flex-Force Power System 60V MAX Leaf Blower
51900T Flex-Force Power System 60V MAX Axial Blower
51826 Flex-Force Power System 60V 750 CMF 2.5 AH Leaf Blower
51826T Flex-Force Power System 60V 750 CMF Leaf Blower