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.

Festo
The Festo 543961 is a double-acting industrial component featuring a 16 mm piston diameter, a 10 mm stroke, and a yoke drive unit operating mode with a ball bearing cage guide. It operates on compressed air per ISO 8573-1:2010 [7:4:4] within an operating pressure range of 0.1 MPa to 0.8 MPa and supports a maximum speed of 0.8 m/s with a repetition accuracy of 0.3 mm. Equipped with elastic cushioning rings at both ends, this unit includes adjustable end-position ranges of 29 mm at the front and 25.5 mm at the rear, alongside position sensing via proximity switch and an ambient temperature range of 0 °C to 60 °C. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 Festo 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 Festo 543961. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.