Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Aventics
The Aventics 3121-00-00-03 is a specialized pneumatic component designed for industrial fluid power systems. This unit corresponds to the manufacturer's exact part number specification for integration into existing equipment layouts. Request a formal quote by submitting the required quantity and application details for this Aventics part number.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Aventics references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Aventics 3121-00-00-03. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.