4-1/2" Flat Idler Main Drive Pulley Fits Dixon 539115278 1687 1/2" ID by Rotary $37.99 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Drive Pulley PRODUCT DESCRIPTION Brand New 4-1/2" Flat Idler Main Drive Pulley Fits Dixon 539115278 1687 1/2" ID... Genuine Rotary Part # 9378