Sandvik / Tamrock
550 404 12a Plate, Cover
DD321-40
Available — Request Quote| Part Number | 550 404 12a |
| Description | Plate, Cover |
| Brand | Sandvik (Tamrock) |
| Assembly | Power Pack Assembly |
| Type | Drill Rig Spare Part |
Quick answer
550 404 12a (also written 55040412a or 550-404-12a) is a Sandvik plate, cover spare part used in the Power Pack Assembly assembly of the Sandvik DD321-40. Verified compatible with 11 Sandvik machine models including DD320S, DD321-40, DD321-40C. 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: 55040412a, 550 404 12a, 550-404-12a.
Compatible machines
11
OEM cross-reference
550 404 12a
About Sandvik 550 404 12a Plate, Cover
This plate component serves a structural or protective function in the Power Pack Assembly of the Sandvik DD321-40. Plates in drilling equipment must resist wear, impact, and environmental corrosion while maintaining dimensional accuracy for proper assembly alignment.
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
Why use OEM-compatible parts for Sandvik drilling equipment?
OEM-compatible parts are manufactured to the same dimensional tolerances and material specifications as original components, ensuring proper fit, reliable performance, and maintaining the designed safety margins of the drilling machine.
Other Parts in Power Pack Assembly
View all 15 parts →550 404 30b
Flange
550 394 69
Hydraulic Pump, External Gear, Double
551 794 52
Check Valve Assembly
AF 111 200 42a
Adapter, Male stud connector
AF 114 500 09a
Adapter, Male stud elbow
AF 117 800 11a
CLAMP DE FLANGE, MEIA, DIVIDIDA
BG 009 635 21a
Pressure Filter Assembly
BG 009 705 18c
Hydraulic Pump, Axial PISTON