


Sandvik / Tamrock
552 101 27 O-ring
DI550
Available — Request Quote| Part Number | 552 101 27 |
| Description | O-ring |
| Brand | Sandvik (Tamrock) |
| Assembly | CYLINDER ASSEMBLY |
| Type | Drill Rig Spare Part |
Quick answer
552 101 27 (also written 55210127 or 552-101-27) is a Sandvik o-ring spare part used in the CYLINDER ASSEMBLY assembly of the Sandvik LEOPARD DI650i. Verified compatible with 3 Sandvik machine models including DI550, LEOPARD DI550, LEOPARD DI650i. Available as an aftermarket replacement drill part from BK Drilling — Turkey-based Sandvik and Epiroc spare parts supplier serving mining contractors worldwide. Quote on request via WhatsApp; typical lead time 3-7 days for stock items.
Part code alternate forms: 55210127, 552 101 27, 552-101-27.
Compatible machines
3
OEM cross-reference
552 101 27
About Sandvik 552 101 27 O-ring
A precision-molded sealing element for the Sandvik LEOPARD DI650i, this O-ring is used in the CYLINDER ASSEMBLY to create a reliable static or dynamic seal. Even minor O-ring deterioration can lead to system pressure loss, so scheduled replacement during routine maintenance is strongly recommended.
This is an OEM-compatible aftermarket replacement part for the Sandvik LEOPARD DI650i (LEOPARD DI650i). Also compatible with Tamrock branded equipment of the same model series. BK Drilling supplies this part with fast worldwide shipping and competitive pricing.
Frequently asked questions
Why do O-rings fail in drilling equipment?
O-rings fail due to chemical degradation from hydraulic fluid, extreme temperature cycling, excessive pressure spikes, improper installation (twisting or pinching), and age-related hardening. Using the correct material compound for each application is critical.

