Product review (5 stars): Exact replacement
It is hard to believe the price on this thing from is a bargain - from Amazon, that is.  Our original was decomposing after only a few years.  I am pretty sure the reason for the thing falling apart is that the part of the basket going to the back of the dishwasher is directly over part of the heat coil, close enough to cause damage over time.  I contacted the manufacturer for a goodwill replacement - no dice.  They offered to sell me one - for $55!

EDIT 3/31/17 - I want to spread the word about my experience with KitchenAid (Whirlpool Corp) on this silverware basket.  Before ordering here, I called their contact center to ask for a goodwill replacement (dishwasher is out of warranty),  They said no.  While shopping for the best price, I saw a boatload of posts by people experiencing the same problems with warping and disintegration of the basket.  I am convinced the basket problem is caused by a design defect in all of their dishwashers where the basket goes on the side.  The rear of the basket sits directly over the heat coil.  I believe that proximity to the heat coil causes degradation of the basket over time.  I again contacted KitchenAid with this information and asked for a goodwill reimbursement for the basket I bought here.  They said no - again.  This is very different from my experience with an out of warranty problem on a GE refrigerator.  GE took care of the problem, although they were not obligated to do anything.  KitchenAid's approach is that once out of warranty, the problems belong to the customers.  Consider that when you next shop for major appliances.
EDIT 6/11/17 - I must have caused Whirlpool some embarrassment.  They came thru with a reimbursement check and apology.  Still, my experience with out of warranty situations has been outstanding with GE, not so much with Whirlpool.