Ordering by number: this is 0663909500, the Chicago Pneumatic O-Ring. It is an O-ring seal that keeps fluid in and dirt out.
You will find it on 3 Chicago Pneumatic BRK 55 parts diagrams: CP BRK 55 – Breaker – BRK 55 & BRK 55 VR; CP BRK 55 – Breaker – BRK 55 HBP & BRK 55 VR HBP; CP BRK 55 – Seal kit (CP-3371820089). Check it against the reference number on the diagram first; serial breaks change what fits.
The parts diagram library indexes every breakdown we publish, and the Chicago Pneumatic tool range has the tools these parts go into. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 0663909500
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-0663909500
- Listed on breakdowns for: CP BRK 55 – Breaker – BRK 55 & BRK 55 VR; CP BRK 55 – Breaker – BRK 55 HBP & BRK 55 VR HBP; CP BRK 55 – Seal kit (CP-3371820089)
