This is the Atlas Copco O-Ring part number 3371820726, Crowder SKU AC-3371820726. It seals a pressure joint inside the breaker, and because elastomer takes a set long before the metal around it wears, it is one of the first items to replace when a machine starts weeping air or oil.
It shows up in the parts breakdown for the BRK 70 70VR 70HBP 70 VR HBP Hydraulic Paving Breaker and BRK 55 55VR 55VR HBP 55 HBP Hydraulic Paving Breaker, and on 12 other machines.
Everything else on that machine is one page away on the parts diagram library; complete tools are on the Atlas Copco lineup. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3371820726
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371820726
- Listed on breakdowns for: BRK 70 70VR 70HBP 70 VR HBP Hydraulic Paving Breaker, BRK 55 55VR 55VR HBP 55 HBP Hydraulic Paving Breaker, PDR 75T 75RV Hydraulic Post Driver, MHC5 Hydraulic Core Drill, MH55 55A HBP Hydraulic Paving Breaker, MH70 70A HBP Hydraulic Paving Breaker, +8 more
