Sandvik / Tamrock
550 215 36b O-Ring
Rock Drill Spare Part
| Part Number | 550 215 36b |
| Description | O-Ring |
| Brand | Sandvik (Tamrock) |
| Assembly | Mechanism, Percussion |
| Type | Rock Drill Spare Part |
Quick answer
550 215 36b (also written 55021536b, 550-215-36b, or 550.215.36b) is a Sandvik o-ring spare part used in the Mechanism, Percussion assembly of the Sandvik DL421-15C. Verified compatible with 5 Sandvik machine models including Commando DC130Ri, DB120, DC120. Used in 2 drifter configurations (HEX1, HLX1). 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: 55021536b, 550 215 36b, 550-215-36b.
Compatible machines
5
Drifter configurations
2
OEM cross-reference
550 215 36b
About Sandvik 550 215 36b O-Ring
A precision-molded sealing element for the Sandvik DL421-15C, this O-ring is used in the Mechanism, Percussion 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 DL421-15C (DL421-15C). 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.
