PREMIUM REPLACEMENT PARTWe strongly suggest comparing the posted picture to your faulty unit!SPINDLE PULLEY3 SETS PART NUMBERM155979 GX20335SPEC:Height: 0.85″OD: 5″FITS ON JOHN DEERE145 Tractor (With 48-IN Mower Deck) -PC9537 2006 Model GX0145A010001-999999 145 Tractor (With 48-IN Mower Deck) -PC9537 2006 Model GX0145B010001-999999 145 Tractor (With 48-IN Mower Deck) -PC9537 145 Tractor (With 48-IN Mower Deck) 42-IN 2-Stage Snowblower -PC9537 2003 Model GX0422X007001-009000 145 Tractor (With 48-IN Mower Deck) 42-IN 2-Stage Snowblower -PC9537 2004 Model GX0422X009001-010000 145 Tractor (With 48-IN Mower Deck) 42-IN 2-Stage Sno 145 Tractor (With 48-IN Mower Deck) 44-IN 2-Stage Snowblower -PC9537 2007 Model M044sbh010001-020000 145 Tractor (With 48-IN Mower Deck) 44-IN 2-Stage Snowblower -PC9537 2008 Model M044sbh020001- 145 Tractor (With 48-IN Mower Deck) 44-IN 2-Stage Snowblowe 145 Tractor (With 48-IN Mower Deck) 46-IN Snow Blade -PC9537 2002 Model GX018BD010001-011243 145 Tractor