This is Atlas Copco part number 3371814707 seal – 28/38×7/10, stocked at Crowder Supply as AC-3371814707. 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.
You will find it on the diagram for the MH 11 Hydraulic Paving Breaker and LH 18 19E Hydraulic Paving Breaker, and on 4 other machines. Check it against the reference number on the diagram first; serial breaks change what fits.
The full diagram library indexes every breakdown we publish, and the Atlas Copco tool range has the tools these parts go into. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3371814707
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371814707
- Listed on breakdowns for: MH 11 Hydraulic Paving Breaker, LH 18 19E Hydraulic Paving Breaker, LPD-LD Hydraulic Post Driver, LHD 23M Hydraulic Rock Drill, BRK 40 40VR Hydraulic Paving Breaker, RDR 48M Rock Drill
