Sandvik / Tamrock
550 779 56a O-ring
PANTERA DP1500i
| Part Number | 550 779 56a |
| Description | O-ring |
| Brand | Sandvik (Tamrock) |
| Assembly | Control block assembly |
| Type | Drill Rig Spare Part |
Quick answer
550 779 56a (also written 55077956a, 550-779-56a, or 550.779.56a) is a Sandvik o-ring spare part used in the Control block assembly assembly of the Sandvik PANTERA DP1500i. Verified compatible with 6 Sandvik machine models including DP1100i, DP1500i, DT1330i. 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: 55077956a, 550 779 56a, 550-779-56a.
Compatible machines
6
OEM cross-reference
550 779 56a
About Sandvik 550 779 56a O-ring
A precision-molded sealing element for the Sandvik PANTERA DP1500i, this O-ring is used in the Control block assembly 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 PANTERA DP1500i (PANTERA DP1500i). 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.
