Spindle Assembly Fits Exmark 1-634972 by Rotary $70.88 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Spindle PRODUCT DESCRIPTION DESCRIPTION Spindle Assembly replaces Exmark #1-634972. Fits Lazer Z Models from serial numbers 150000 thru 259999. See Rotary # 10960 for Pulley Only. REPLACES OEM EXMARK 1-634972 SPECS BOLT THREADS 5/8-18 X 3-1/8"