Parts must be matched to your make and model of equipment. Please be sure to verify all of your part numbers. Deck Rebuild Kit John Deere 48 100 Series. Fits John Deere 48 Lawn Tractor Models. John Deere D140, D150, D155, D160. John Deere LA145, LA155, LA165. John Deere X140, X165. (1) Belt Drive Rotary 12461 – Size 1/2″ x 141.1″. Replaces OEM: John Deere GX20072, GY20570. (2) Idler Pulley 80-91-071 – Size 3 5/8. Replaces OEM: John Deere GY20067, GY22172. (1) Idler Pulley 80-91-068 – Size 5 7/32. Replaces OEM: John Deere GY20110, GY20629. (3) 17 Blades 11595 size. 160 x 2-3/4 x 7 point Star. Replaces OEM: John Deere AM137757, AM141035, GX21784, GY20852. Replaces OEM: John Deere GY20454, GY20962, GY21098.