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Sandvik / Tamrock
551 735 15b Cylinder Assembly
DT921i
Available — Request Quote| Part Number | 551 735 15b |
| Description | Cylinder Assembly |
| Brand | Sandvik (Tamrock) |
| Assembly | Joined pieces |
| Type | Drill Rig Spare Part |
Quick answer
551 735 15b (also written 55173515b or 551-735-15b) is a Sandvik cylinder assembly spare part used in the Joined pieces assembly of the Sandvik DT921i. Verified compatible with 1 Sandvik machine model including DT921i. 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: 55173515b, 551 735 15b, 551-735-15b.
Compatible machines
1
OEM cross-reference
551 735 15b
About Sandvik 551 735 15b Cylinder Assembly
Engineered for the Sandvik DT921i, this cylinder is part of the Joined pieces and provides precise hydraulic actuation under the heavy loads and harsh conditions of mining operations. Cylinder rebuild or replacement restores full force output and positional accuracy.
This is an OEM-compatible aftermarket replacement part for the Sandvik DT921i (DT921i). 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
When should a hydraulic cylinder be rebuilt or replaced?
Rebuild or replace when you observe fluid leakage past seals, reduced force output, sluggish or inconsistent movement, visible scoring on the cylinder rod, or when the machine cannot maintain required feed pressure during drilling.