This is Tamco/Toku part number 410271040 piston, stocked at Crowder Supply as TK-410271040. Impact energy comes from this part accelerating down the bore. Wear on the strike face or the seal lands costs blow energy before it ever causes a hard failure.
You will find it on the diagram for the TPB 90 Paving Breaker. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram hub. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 410271040
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-410271040
- Listed on breakdowns for: TPB 90 Paving Breaker
