Part# 1604-691 Desc WHEEL,IDL-5.63 SPOKE(2-5/8DIA -AC USD Price 58.95 Quantity  
*supersedes 1604-987
Part# W541-5062 Desc PPD IDLER 5.63" X .6 -AC USD Price 37.07 Quantity  
*this part is a substitution for 1604-987