Review

http://tinyurl.com/p64j79aProduct Review Click on the link for more reviewsID: 7-inch, OD: 4-3/4-inch, Height: 1-5/16-inchCurrent part number 174493 replaces previous part numbers 128961, 136929, 140329, 532128961, 532136929, 532140329, 532174493 and 539107518Replacement part for many brands including Husqvarna, Poulan, Poulan Pro, Roper, Sears/Craftsman, and Weed EaterOriginal equipment manufacturer replacement part1-year warranty for defects in material or workmanship