Biz has sharpie with part 109-6917. This may be Exmark number

The Rotary Brand 13540 Spindle Assembly is a high-quality replacement part designed specifically for Exmark lawn mowers. Made by the reputable brand Rotary, this spindle assembly ensures durability and reliability for your lawn maintenance needs. This product is essential for keeping your lawn mower operating smoothly and efficiently, making it a valuable investment for any yard or garden.