John Deere 10018999 – Replacement MPN: 10018999 Fits 42” Deck Size John Deere: 102, 105, 107S, 115, 125, 135, LA100, LA105, LA110, LA115, LA120 (017953-), LA125, LA135 Fits 42” Deck Size: X105, X106, X110 (011172-), X120(011172-), X125, X126, X145, D100, D105, D110, D120, D125, D130, E100, E110, E120, E130 Spindle Assembly: AUC15811: Height 7 1/8”, OD 5” Blade: GX22151: 21 3/8”, Center Hole-7 pt. Star, Width 2 3/4”, Thickness. 164” Belt: GX20072: Belt Application-Deck, Belt Type-Covered, Width 1/2”, Length 104” (2) Spindle Part: AUC15811 (2) Blades 21 3/8” (1) Deck Belt Part: GX20072.