Drain pump
Water left in the drum after a cycle usually points to the pump.
Drive motor
Replaces 8528157
A motor that hums but won't turn, or stops once it's warm, needs replacing.
Lid switch assembly
Door, lid and control switches stop a cycle when they fail.
Agitator dog
Replaces 3366877
Drive parts wear out: a machine that fills but won't spin or agitate often points here.
Clutch
Replaces 3951311
Drive parts wear out: a machine that fills but won't spin or agitate often points here.
Actuator
Replaces 62621
Drive parts wear out: a machine that fills but won't spin or agitate often points here.
Drive block
Drive parts wear out: a machine that fills but won't spin or agitate often points here.
1Drain pumpWP3363394
2Drive motorWP661600
3Switch assemblyWP8318084Part numbers come from the Sears PartsDirect parts list for the Whirlpool 7MLSR7533PQ0 (view the list), checked November 15, 2026. Amazon buttons open a search for the part number; we may earn a commission.
Where the model number is
Front-load: on the door frame or the door rim. Top-load: under the lid or on the back of the control panel.