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 8100661 is a double-acting industrial guide drive unit featuring a 32 mm piston diameter, a 50 mm stroke, and a yoke operating mode with a plain-bearing guide. It operates at pressures from 1 bar to 8 bar using compressed air meeting ISO 8573-1:2010 [7:4:4], delivering a theoretical retracting force of 724 N at 6 bar and accommodating a maximum payload of 19.9 N. The unit incorporates elastic cushioning rings at both ends with a 0.4 Nm end-position impact energy, a 10 mm adjustable end position range, and position sensing via a proximity switch across an ambient temperature range of -10 °C to 80 °C. Submit the exact part number, quantity, and application requirements for a quote.
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 8100661. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.