


Sandvik / Tamrock
551 651 74e Cover, Rear
DS421
Available — Request Quote| Part Number | 551 651 74e |
| Description | Cover, Rear |
| Brand | Sandvik (Tamrock) |
| Assembly | Cylinder Assembly |
| Type | Drill Rig Spare Part |
Quick answer
551 651 74e (also written 55165174e or 551-651-74e) is a Sandvik cover, rear spare part used in the Cylinder Assembly assembly of the Sandvik DS421. Verified compatible with 1 Sandvik machine model including DS421. 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: 55165174e, 551 651 74e, 551-651-74e.
Compatible machines
1
OEM cross-reference
551 651 74e
About Sandvik 551 651 74e Cover, Rear
An essential element of the Cylinder Assembly in the Sandvik DS421, 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 DS421 (DS421). 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.

