This part is commonly Used on models:
38752 Power Clear 721 R Snowthrower
38753 Power Clear 721 E Snowthrower
38754 Power Clear 721 R-C Commercial Snowthrower
38755 Power Clear 821 R-C Commercial Snowthrower
38756 Power Clear 721 QZE Snowthrower
38757 Power Clear 821 QZE Snowthrower
39921 21in Power Clear Flex-Force Power System 60V MAX Snowthrower
39921T 21in Power Clear Flex-Force Power System 60V MAX Snowthrower
39922T 21in Power Clear Flex-Force Power System 60V MAX Commercial Snowthrower
