Piston – THH7B is the Tamco/Toku service part carried under part number Y10221240. It is the working heart of the chipping hammer. Pistons are matched to the cylinder bore, so replacing a worn one usually means checking the bore at the same time.
The published breakdown lists it on the THH 6 7 8 9 Chipping Hammer. Check it against the reference number on the diagram first; serial breaks change what fits.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts breakdown index. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: Y10221240
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-Y10221240
- Listed on breakdowns for: THH 6 7 8 9 Chipping Hammer
