Replace OEM Number: GX21833, GX20571 Fitment: 145, 155C, D140, D150, D155, D160, E140, E150, E160, E170, L120, L130, LA130, LA140, LA145, LA155, LA165, X140, X165, X166, Z255, Z355, Z255
Fits RIDING MOWER: D140 (Belt, Deck 48″) Fits RIDING MOWER: D150 (Belt, Deck 48″) Fits RIDING MOWER: D160 (Belt, Deck 48″) Fits RIDING MOWER: LA130 (48″ w/ 21 HP) Fits RIDING MOWER: LA140 (Belt, Deck 48″) Fits RIDING MOWER: LA145 (Belt, Deck 48″) Fits RIDING MOWER: LA155 (Belt, Deck 48″) Fits RIDING MOWER: LA165 (Belt, Deck 48″) Fits RIDING MOWER: L120 (Belt, Deck 48″ 2005 S/N 150001>) Fits RIDING MOWER: L130 (Belt, Deck 48″ 2005 S/N 150001>) Fits RIDING MOWER: X140 (Belt, Deck 48″) Fits RIDING MOWER: X165 (Belt, Deck 48″) Fits RIDING MOWER: Z255 (Belt, Deck 48″) Fits RIDING MOWER: 145 (Belt, Edge Deck 48″) Fits RIDING MOWER: 155C (Belt, Edge Deck 48″)