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 part number 8118939 is a double-acting industrial drive unit featuring a 50 mm piston diameter, a 160 mm stroke, and a yoke structural design with recirculating ball bearing guides. It operates within a pressure range of 0.1 MPa to 1 MPa (1 bar to 10 bar) using compressed air as per ISO 8573-1:2010 [7:4:4], achieves a maximum speed of 0.6 m/s, and includes elastic cushioning rings at both ends along with position sensing via proximity switch. This component incorporates LABS conformity VDMA24364-B1/B2-L with specific restrictions on copper, zinc, and nickel, meets ISO 14644-1 Class 6 cleanroom suitability, and is rated for ambient temperatures from -5 °C to 60 °C in any mounting position. Submit the exact part number, quantity, and application requirements to request a quote for this item.
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 8118939. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.