Sandvik / Tamrock
551 745 53 O-Ring
DS422i-7C
| Part Number | 551 745 53 |
| Description | O-Ring |
| Brand | Sandvik (Tamrock) |
| Assembly | Brake Housing Assembly |
| Type | Drill Rig Spare Part |
Quick answer
551 745 53 (also written 55174553, 551-745-53, or 551.745.53) is a Sandvik o-ring spare part used in the Brake Housing Assembly assembly of the Sandvik DS422i-7C. Verified compatible with 1 Sandvik machine model including DS422i-7C. 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: 55174553, 551 745 53, 551-745-53.
Compatible machines
1
OEM cross-reference
551 745 53
About Sandvik 551 745 53 O-Ring
A precision-molded sealing element for the Sandvik DS422i-7C, this O-ring is used in the Brake Housing 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 DS422i-7C (DS422i-7C). 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.
