


Sandvik / Tamrock
552 091 85d Fire Suppression System
DD321-40
| Part Number | 552 091 85d |
| Description | Fire Suppression System |
| Brand | Sandvik (Tamrock) |
| Assembly | 13 |
| Type | Drill Rig Spare Part |
Quick answer
552 091 85d (also written 55209185d, 552-091-85d, or 552.091.85d) is a Sandvik fire suppression system spare part used in the 13 assembly of the Sandvik DD321-40. Verified compatible with 2 Sandvik machine models including DD321-40, DD421-60C. 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: 55209185d, 552 091 85d, 552-091-85d.
Compatible machines
2
OEM cross-reference
552 091 85d
About Sandvik 552 091 85d Fire Suppression System
An essential element of the 13 in the Sandvik DD321-40, 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 DD321-40 (DD321-40). 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.







