This article will outline the problems associated with the above motor; and the Whirlpool-built brands it has been fitted to.
Brands: Diplomat, Caple, CDA, Prima, IKEA, Magnet, Tecnik, Firenzi.
These are all “badge engineered" machines and as such are made to a budget. The single biggest cost saving measure is to fit the Askoll-type circulation pump.
Above is the offending item.
Fault 1: Leaks from outlet hose top left. It's bonded on and is impossible to replace.
Fault 2: Note placement of connectors at bottom of motor. If it leaks, the water will accumulate and short the motor out.
Fault 3: Impellor falls off. Once off, it will not stay on.
Fault 4: The bearing in the front plate wears and allows the magnetic armature to flop around inside the motor casing, causing noise and slow running.
There is only one proper solution:
This is Whirlpool part number 481236158434 and is available in the store from this link and that dishwasher fits fit, amongst others, the dishwasher models shown along with many others. This part has been changed or altered slightly many times and may differ slightly from the images above but it is a direct genuine replacement in any event.
ADP8322, ADP8332, ADP8500, ADP8501, ADP8502
CW429 (B/SS/W), CW494
TKD795, TKD796, DW2677, 2677/1
10098930, 30098929,40027045, 40027050, 44539810DW412, 60027049,80027051, 80025053, 90027043, 90098931, DWF412, DWF416W, DWFB10W, DWF415, DWFA00S, DWFA10S.
ADG6340/1AV, ADG6340/1IX, ADG6340/1NB, ADG6340/1WH, ADG6340AV, ADG6340IX, ADG6340WH, ADG642/1BR, ADG642/1IX, ADG642/1WH, ADG6441WH, ADG6552IX, ADG6552WH, ADG6560/1WH, ADG6560IX, ADG6560WH, ADG6561IX, ADG6962IX, ADG7340, ADG7440, ADG7441, ADG7540, ADG7540/1, ADG7550, ADG7952, ADG7960, ADG8441/2IX, ADG8441/2NB, ADP4000WH, ADP4400WH, ADP4403WH, ADP4404/5WH, ADP4440WH, ADP4500WH, ADP4501/5WH, ADP4501WH, ADP4502/5/S, ADP4502AL, ADP4504WH, ADP4544WH, ADP4601WH, ADP4602AL, ADP4731/5/S, ADP4731/5WH, ADP4731WH, ADP4732AL, ADP5440AL, ADP5440WH, ADP5540/1AL, ADP5540/1WH, ADP5540AL, ADP5540GR, ADP5540WH, ADP5962WH, ADP6830/5WH, ADP6830WH, ADP8332, CW492/1B, CW492/1SS, CW492/1W, CW494/1, ADG7340, ADG7440, G2PDWI/1WH, APDW/2, ADG6340AV, ADG6340IX, ADG6340WH, ADG6441WH, ADG6552IX, ADG6552WH, ADG6962IX, ADG7441, ADG7540, ADG7540/1, ADG7952, ADP5440AL, ADP5440WH, ADP5540GR, ADP5540WH, ADP5962WH, CW492/1B, CW492/1SS, CW492/1W, CW494/1
Stay safe at all times and make sure that the power is off when you are working on your dishwasher or any other appliance.
Check, then check again that power has been removed before commencing any work.