This is American Pneumatic Tool part number 1280582554, listed as 01188 before the renumbering O-ring – seal #2-125, stocked at Crowder Supply as APT1188. Its job is to hold the pressure boundary between two mating faces; a hardened or nicked seal shows up as lost power and a damp housing well before anything else fails.
The published breakdown lists it on the 190A Airgo Paving Breaker and 138 Rock Drill, and on 4 other machines. Compare it to the reference callout on the diagram to be sure it is the position you need.
If you need the parts around it, the parts breakdown index has the full breakdown library, and the American Pneumatic catalog covers the machines themselves. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 1280582554
- Previous part number: 01188
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT1188
- Listed on breakdowns for: 190A Airgo Paving Breaker, 138 Rock Drill, 155 Rock Drill, 180 Paving Breaker, 180A Airgo Paving Breaker, 190 Paving Breaker
