Sandvik / Tamrock
BG 004 344 05a Cylinder, Pilot
DD321-40
| Part Number | BG 004 344 05a |
| Description | Cylinder, Pilot |
| Brand | Sandvik (Tamrock) |
| Assembly | Mechanism, Percussion |
| Type | Drill Rig Spare Part |
Quick answer
BG 004 344 05a (also written BG00434405a, BG-004-344-05a, or BG.004.344.05a) is a Sandvik cylinder, pilot spare part used in the Mechanism, Percussion assembly of the Sandvik DD321-40. Verified compatible with 12 Sandvik machine models including DD321-40, DD321-40C, DD421-60. 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: BG00434405a, BG 004 344 05a, BG-004-344-05a.
Compatible machines
12
OEM cross-reference
BG 004 344 05a
About Sandvik BG 004 344 05a Cylinder, Pilot
This hydraulic cylinder is a core actuator component in the Sandvik DD321-40, operating within the Mechanism, Percussion. It converts hydraulic fluid pressure into linear mechanical force for positioning, clamping, or feed operations essential to the drilling process.
This is an OEM-compatible aftermarket replacement part for the Sandvik DD321-40 (DD321-40). 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.
