Sandvik / Tamrock
551 514 27 PISTON guide ring
DT821
| Part Number | 551 514 27 |
| Description | PISTON guide ring |
| Brand | Sandvik (Tamrock) |
| Assembly | Hydraulic Cylinder, Double-acting |
| Type | Drill Rig Spare Part |
Quick answer
551 514 27 (also written 55151427, 551-514-27, or 551.514.27) is a Sandvik piston guide ring spare part used in the Hydraulic Cylinder, Double-acting assembly of the Sandvik DT821. Verified compatible with 4 Sandvik machine models including DL432i, DT821, DT821-SC. 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: 55151427, 551 514 27, 551-514-27.
Compatible machines
4
OEM cross-reference
551 514 27
About Sandvik 551 514 27 PISTON guide ring
A critical hydraulic component in the Sandvik DT821 percussion mechanism, this piston converts hydraulic pressure into the powerful impact force needed for rock breaking. Located in the Hydraulic Cylinder, Double-acting, worn pistons cause reduced penetration rate, increased energy consumption, and decreased overall drilling efficiency.
This is an OEM-compatible aftermarket replacement part for the Sandvik DT821 (DT821). 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
How does a worn piston affect drilling performance?
A worn piston reduces percussion energy transfer, decreasing penetration rate and increasing the time and energy required to drill each hole. This directly impacts productivity and operating costs in mining operations.
