


Epiroc / Atlas Copco
5112 2878 69 O-RING
Boomer S1D 8999 1013 00 Drill Rig Spare Part
| Part Number | 5112 2878 69 |
| Description | O-RING |
| Brand | Epiroc (Atlas Copco) |
| Assembly | BACK PART |
| Type | Drill Rig Spare Part |
Quick answer
5112 2878 69 (also written 5112287869, 5112-2878-69, or 5112.2878.69) is a Epiroc o-ring spare part used in the BACK PART assembly of the Epiroc Boomer S1D 8999 1013 00. Verified compatible with 1 Epiroc machine model including Boomer S1D 8999 1013 00. 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: 5112287869, 5112 2878 69, 5112-2878-69.
Compatible machines
1
OEM cross-reference
5112 2878 69
About Epiroc 5112 2878 69 O-RING
This O-ring provides critical sealing in the hydraulic or pneumatic circuits of the Sandvik Boomer S1D 8999 1013 00. Part of the BACK PART, it prevents fluid leakage at connection points and maintains system pressure integrity essential for efficient drilling operations.
This is an OEM-compatible aftermarket replacement part for the Epiroc Boomer S1D 8999 1013 00 (Boomer S1D 8999 1013 00). 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.








