


Sandvik / Tamrock
551 674 45g Valve Assembly
DT821-C
| Part Number | 551 674 45g |
| Description | Valve Assembly |
| Brand | Sandvik (Tamrock) |
| Assembly | 12 |
| Type | Drill Rig Spare Part |
Quick answer
551 674 45g (also written 55167445g, 551-674-45g, or 551.674.45g) is a Sandvik valve assembly spare part used in the 12 assembly of the Sandvik DT821-C. Verified compatible with 2 Sandvik machine models including DT721, DT821-C. 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: 55167445g, 551 674 45g, 551-674-45g.
Compatible machines
2
OEM cross-reference
551 674 45g
About Sandvik 551 674 45g Valve Assembly
This valve controls fluid flow and pressure within the hydraulic or pneumatic system of the Sandvik DT821-C. Part of the 12, it ensures precise regulation of drilling parameters including feed force, percussion frequency, and rotation speed.
This is an OEM-compatible aftermarket replacement part for the Sandvik DT821-C (DT821-C). 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.





