Product review (3 stars): Drive block was machined slightly off-center- hopefully a rare issue
Had an unexpected surprise; the part was correct for my washer and installed OK, but I noticed that the spin basket seemed to wobble more than it had, causing an imbalance & minor cabinet shaking. I had an all-new drive system otherwise (center support, basket drive, clutch, etc). The machined hole in the cast drive block was basically about 30 thousands off-center, which caused the wobble. I could see this with the spin basket removed and just the drive block spinning by itself. I went to a local store and bought another block (grrr, 3x Amazon price) and it was fine. We micrometer'd both of them, with one mic jaw flat against the small conical taper at the bottom. The empty basket should have none to a bit of imbalance when spinning, but not as much as I saw. Both blocks were sealed in Whirlpool factory service parts (FSP) bags - I noted that the new one's bag said made in USA, which surprised both me and the counterman. I'd tossed the old bag. Each block had slightly different mold stampings so they were made at different locations. No blame on Amazon; the part was genuine and it was more than 30 days before I could get to it. So, if you've had a mystery imbalance since new or after a repair, check this part. A symptom is that the holes in the bottom of the spin basket won't be tracking in a neat circle but will sort of blur out as the wobble sets in.