Sandvik / Tamrock
BG 004 852 99a O-Ring
COMMANDO DC300Ri
| Part Number | BG 004 852 99a |
| Description | O-Ring |
| Brand | Sandvik (Tamrock) |
| Assembly | Transfer Gearbox |
| Type | Drill Rig Spare Part |
Quick answer
BG 004 852 99a (also written BG00485299a, BG-004-852-99a, or BG.004.852.99a) is a Sandvik o-ring spare part used in the Transfer Gearbox assembly of the Sandvik COMMANDO DC300Ri. Verified compatible with 1 Sandvik machine model including COMMANDO DC300Ri. 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: BG00485299a, BG 004 852 99a, BG-004-852-99a.
Compatible machines
1
OEM cross-reference
BG 004 852 99a
About Sandvik BG 004 852 99a O-Ring
This O-ring provides critical sealing in the hydraulic or pneumatic circuits of the Sandvik COMMANDO DC300Ri. Part of the Transfer Gearbox, 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 Sandvik COMMANDO DC300Ri (COMMANDO DC300Ri). 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.
