Sandvik / Tamrock
550 646 89 Switch, Selector
DD321-40
| Part Number | 550 646 89 |
| Description | Switch, Selector |
| Brand | Sandvik (Tamrock) |
| Assembly | Housing assembly |
| Type | Drill Rig Spare Part |
Quick answer
550 646 89 (also written 55064689, 550-646-89, or 550.646.89) is a Sandvik switch, selector spare part used in the Housing assembly assembly of the Sandvik DD321-40. Verified compatible with 13 Sandvik machine models including DD321-40, DD321-40C, DD421-60. 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: 55064689, 550 646 89, 550-646-89.
Compatible machines
13
OEM cross-reference
550 646 89
Reference image
Available
About Sandvik 550 646 89 Switch, Selector
This component is part of the Housing assembly assembly in the Sandvik DD321-40. Maintaining OEM-compatible replacement parts ensures reliable machine performance and minimizes downtime in demanding mining and drilling operations.
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.
