This is Clutch Bushing.
Parts List
1. Bushing for 5/8 Bore Clutch (TDMTSS0658)
1. Bushing for 3/4 Bore Clutch (TDMTSS6634) [$3.95]
3. Fiber Washer for 5/8 Bore Clutch (TDMTSS55FW)
3. Fiber Washer for 3/4 Bore Clutch (TDMTSS34FW)
5. Dust Cover (TDMTSS1212)
7. Shaft Snap Ring for 5/8 Bore Clutch (TDMTSS58SR)
7. Shaft Snap Ring for 3/4 Bore Clutch (TDMTSS34SR) 11. Backing Plate for 5/8 Bore Clutch (TDMTSS0258BP)
11. Backing Plate for 3/4 Bore Clutch (TDMTSS0234BP)
13. Hub Assembly for 5/8 Bore Clutch (TDMTSS0258H)
13. Hub Assembly for 3/4 Bore Clutch (TDMTSS0234H)
15. Snap Ring (Click Here for Options)
19. Clutch Shoe (TDMTSSSHOE)
20. Dust Cover Snap Ring (TDMTSS125)