Husqvarna Hex Flange Lock Nut No. 873900700. This is an original husqvarna nut that measures 7/16 - 14. Replaces part number 873 90 07-00 and 873-90-07-00.
Husqvarna Idler Pulley No.532193197. This is an original husqvarna primary idler pulley, measures 4" lip to lip. Replaces husqvarna part number 532-19-31-97 and 532 19 31-97.