This is Atlas Copco part number 3371821084 valve housing – complete HBP, stocked at Crowder Supply as AC-3371821084. It directs the flow that reverses the piston in the breaker. Valve wear changes port timing, and the machine loses blow rate before it loses the ability to run.
It is called out in the parts diagram for the BRK 55 55VR 55VR HBP 55 HBP Hydraulic Paving Breaker and LH220 220HBP 230E 230E HPB Hydraulic Paving Breaker, and on 1 other machine. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram hub. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3371821084
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371821084
- Listed on breakdowns for: BRK 55 55VR 55VR HBP 55 HBP Hydraulic Paving Breaker, LH220 220HBP 230E 230E HPB Hydraulic Paving Breaker, LH270 270HBP 280E 280E HBP Hydraulic Paving Breaker
