Please refer to your owner’s manual to confirm the. Please double check that ALL PARTS listed on this kit will fit your mower. Mower decks (even from the same brand) have different configurations. John Deere 48 Deck Rebuild GY20996. Models L120 L130 GY20050 GX20305 GY20067 948HV 2148HV L2048 L2548. Belt 141 7/64″ x 1/2″. GX21833 – BE CAREFUL WITH BELT. Blades GX20250 10634 (74-02-10634). REPLACES GY20050/ GY20785 11206 Spindle Assemblies (80-12-073). GY20067 10741 Idler Pulley (80-91-071). REPLACES GY20110 Idler Pulley (80-91-068). 948HV 2148HV L2048 L2548.