Sandvik / Tamrock
851 187 19 O-Ring
DL432i
| Part Number | 851 187 19 |
| Description | O-Ring |
| Brand | Sandvik (Tamrock) |
| Assembly | Control Block Assembly |
| Type | Drill Rig Spare Part |
Quick answer
851 187 19 (also written 85118719, 851-187-19, or 851.187.19) is a Sandvik o-ring spare part used in the Control Block Assembly assembly of the Sandvik DL432i. Verified compatible with 1 Sandvik machine model including DL432i. 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: 85118719, 851 187 19, 851-187-19.
Compatible machines
1
OEM cross-reference
851 187 19
About Sandvik 851 187 19 O-Ring
A precision-molded sealing element for the Sandvik DL432i, 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 DL432i (DL432i). 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.
