


Sandvik / Tamrock
550 857 03 Section
DX780R
Available — Request Quote| Part Number | 550 857 03 |
| Description | Section |
| Brand | Sandvik (Tamrock) |
| Assembly | Directional valve |
| Type | Drill Rig Spare Part |
Quick answer
550 857 03 (also written 55085703 or 550-857-03) is a Sandvik section spare part used in the Directional valve assembly of the Sandvik DX780R. Verified compatible with 2 Sandvik machine models including DX500R, DX780R. 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: 55085703, 550 857 03, 550-857-03.
Compatible machines
2
OEM cross-reference
550 857 03
About Sandvik 550 857 03 Section
An essential element of the Directional valve in the Sandvik DX780R, this part is designed to meet the exacting standards required for underground and surface drilling equipment. Timely replacement prevents costly cascading failures in critical machine systems.
This is an OEM-compatible aftermarket replacement part for the Sandvik DX780R (DX780R). 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 use OEM-compatible parts for Sandvik drilling equipment?
OEM-compatible parts are manufactured to the same dimensional tolerances and material specifications as original components, ensuring proper fit, reliable performance, and maintaining the designed safety margins of the drilling machine.