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 8178865 is a double-acting industrial component featuring a 20 mm piston diameter, a 35 mm stroke, and an M6 internal thread piston rod end conforming to ISO 21287. Operating on compressed air within a pressure range of 1.5 bar to 10 bar, this unit incorporates self-adjusting pneumatic end-position cushioning with a 3 mm cushioning length and 0.2 J impact energy capacity. Position sensing is achieved via a proximity switch, supporting any mounting position across an ambient temperature range of -20 °C to 80 °C with a theoretical retracting force of 141 N at 6 bar. 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 8178865. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.