O-Ring, Atlas Copco part number 0663212700, cross-referenced to 3371814703, listed at Crowder Supply as AC-0663212700. It seals a pressure joint inside the rock drill, 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.
You will find it on the diagram for the RDR 48M Rock Drill and LH180 190E Hydraulic Paving Breaker, and on 4 other machines. Pull up the diagram and confirm the reference number for your serial before ordering.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts breakdown index. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 0663212700
- Also listed as: 3371814703
- Manufacturer: Atlas Copco
- Crowder SKU: AC-0663212700
- Listed on breakdowns for: RDR 48M Rock Drill, LH180 190E Hydraulic Paving Breaker, LH11 Hydraulic Pick Hammer, BRK25D Hydraulic Paving Breaker, PDR 30T Hydraulic Post Driver, RDR 48R Rock Drill
