Foam sleeve
A clogged filter cuts suction and makes the motor run hot.
A clogged filter cuts suction and makes the motor run hot.
Pleated cartridges clog with use. Replace one that stays dirty after a rinse.
Pleated cartridges clog with use. Replace one that stays dirty after a rinse.
1Foam sleeve49-90-1990
2Cartridge filter49-90-1977Part numbers come from Milwaukee Tool (source 1, source 2, source 3), checked November 7, 2026. Amazon buttons open a search for the part number; we may earn a commission.