Ordering by number: this is 3371820718, the Atlas Copco seal ring. Seals like this one are consumables in a breaker they are cheap, they age with heat and hours, and replacing the whole set during a teardown saves a second strip-down later.
The published breakdown lists it on the LH 39 40E Hydraulic Paving Breaker and LH390 390HBP 400E 400E HBP Hydraulic Paving Breaker, and on 14 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 diagram hub has the full breakdown library, and the Atlas Copco tool range covers the machines themselves. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3371820718
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371820718
- Listed on breakdowns for: LH 39 40E Hydraulic Paving Breaker, LH390 390HBP 400E 400E HBP Hydraulic Paving Breaker, LH220 220HBP 230E 230E HPB Hydraulic Paving Breaker, LH270 270HBP 280E 280E HBP Hydraulic Paving Breaker, LPD-T & RV Hydraulic Post Driver, LGRD RV 16 RV25 Hydraulic Ground Rod Driver, +10 more
