This is the Atlas Copco striking piston part number 3371820248, Crowder SKU AC-3371820248. It is the business end of the breaker it locates the tool steel and absorbs the impact reaction, so bore wear here shows up as a loose, rattling shank.
It shows up in the parts breakdown for the LH390 390HBP 400E 400E HBP Hydraulic Paving Breaker and LPD-HD-T & RV Hydraulic HD Post Driver, and on 3 other machines. Check it against the reference number on the diagram first; serial breaks change what fits.
Everything else on that machine is one page away on the parts diagram library; complete tools are on the Atlas Copco tool range. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3371820248
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371820248
- Listed on breakdowns for: LH390 390HBP 400E 400E HBP Hydraulic Paving Breaker, LPD-HD-T & RV Hydraulic HD Post Driver, BRK 95 95VR 95HBP Hydraulic Paving Breaker, PDR 95T 95RV Hydraulic Post Driver, LH 39 40E Hydraulic Paving Breaker

