


Sandvik / Tamrock
814 017 49a O-Ring
Rock Drill Spare Part
| Part Number | 814 017 49a |
| Description | O-Ring |
| Brand | Sandvik (Tamrock) |
| Assembly | Motor Assembly, Hydraulic |
| Type | Rock Drill Spare Part |
Compatibility
Drifter Models
Machine Models
Quick answer
814 017 49a (also written 81401749a, 814-017-49a, or 814.017.49a) is a Sandvik o-ring spare part used in the Motor Assembly, Hydraulic assembly of the Sandvik DS421. Verified compatible with 16 Sandvik machine models including COMMANDO DC125R, COMMANDO DC300Ri, Commando DC130Ri. Used in 5 drifter configurations (HEX1, HL300, HL500). 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: 81401749a, 814 017 49a, 814-017-49a.
Compatible machines
16
Drifter configurations
5
OEM cross-reference
814 017 49a
About Sandvik 814 017 49a O-Ring
A precision-molded sealing element for the Sandvik DS421, this O-ring is used in the Motor Assembly, Hydraulic to create a reliable static or dynamic seal. Even minor O-ring deterioration can lead to system pressure loss, so scheduled replacement during routine maintenance is strongly recommended.
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 do O-rings fail in drilling equipment?
O-rings fail due to chemical degradation from hydraulic fluid, extreme temperature cycling, excessive pressure spikes, improper installation (twisting or pinching), and age-related hardening. Using the correct material compound for each application is critical.







