This is Tamco/Toku part number Y1021820L cylinder – THH4B, stocked at Crowder Supply as TK-Y1021820L. The cylinder is the bore the piston runs in, and it sets the working clearance of the chipping hammer once the bore opens up, air bypasses the piston and blow energy drops.
Crowder’s breakdowns list this part on the THH 1 2 3 4 Chipping Hammer. Check it against the reference number on the diagram first; serial breaks change what fits.
Use the parts diagram hub to work through the rest of the assembly, or the Toku tool catalog if you are pricing a replacement machine. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: Y1021820L
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-Y1021820L
- Listed on breakdowns for: THH 1 2 3 4 Chipping Hammer
