Piston, American Pneumatic Tool part number 1280582331 the number that superseded 18339, listed at Crowder Supply as APT18339. It is the working heart of the rivet buster. Pistons are matched to the cylinder bore, so replacing a worn one usually means checking the bore at the same time.
It is called out in the parts diagram for the 633 Rivet Buster. Pull up the diagram and confirm the reference number for your serial before ordering.
If you need the parts around it, the parts diagram hub has the full breakdown library, and the American Pneumatic Tool range covers the machines themselves. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 1280582331
- Previous part number: 18339
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT18339
- Listed on breakdowns for: 633 Rivet Buster
