Sandvik / Tamrock
801 870 79 O-Ring
RANGER 700-2
Available — Request Quote| Part Number | 801 870 79 |
| Description | O-Ring |
| Brand | Sandvik (Tamrock) |
| Assembly | Sensor Assembly |
| Type | Drill Rig Spare Part |
Compatibility
Machine Models
Quick answer
801 870 79 (also written 80187079 or 801-870-79) is a Sandvik o-ring spare part used in the Sensor Assembly assembly of the Sandvik DX700. Verified compatible with 41 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: 80187079, 801 870 79, 801-870-79.
Compatible machines
41
OEM cross-reference
801 870 79
About Sandvik 801 870 79 O-Ring
This O-ring provides critical sealing in the hydraulic or pneumatic circuits of the Sandvik DX700. Part of the Sensor Assembly, it prevents fluid leakage at connection points and maintains system pressure integrity essential for efficient drilling operations.
This is an OEM-compatible aftermarket replacement part for the Sandvik DX700 (DX700). 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.
