Identify the reference
GDK lists an SPGW piston seal for hydraulic cylinders.
Confirm the version
SPGW denotes a seal profile family, not an exact part number. Confirm all dimensions, material, pressure and cylinder design for the actual application.
Prepare a useful purchase request
Provide the complete product or truck identification, quantity, application and delivery destination. Include clear photographs of the existing label and connections where relevant. Ask the supplier to identify the exact item, documentation, condition, included scope, lead time and warranty in its written response.
Compare evidence before deciding
Catalogue descriptions are attributed to the supplier. The code alone does not verify origin, current inventory, certification, performance or compatibility. Compare the dated supplier offer with the actual machine documentation and resolve any discrepancy before ordering.
Source
https://www.cngdk.com/Spgw-Wear-and-Pressure-Resistant-Piston-Seals-for-Hydraulic-Cylinder-pd46057599.html