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
This Festo industrial component, part number 8085139, is a double-acting drive unit featuring a 20 mm piston diameter, a 10 mm stroke, and a yoke structural design with a ball bearing cage guide. It operates with compressed air within a pressure range of 0.1 MPa to 0.8 MPa and a maximum speed of 0.8 m/s, incorporating elastic cushioning rings at both ends and position sensing via proximity switch. The unit functions in ambient temperatures from -10 °C to 60 °C, achieves a repetition accuracy of 0.3 mm or less, and meets ISO 14644-1 cleanroom Class 6 suitability. Submit the exact part number, quantity, and application requirements to request 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 8085139. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.