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 3659501 is a double-acting industrial component featuring an ISO 15552 profile barrel design with a 50 mm piston diameter and a 150 mm stroke. Operating at pressures from 0.4 bar to 12 bar, this unit utilizes self-adjusting pneumatic end-position cushioning, position sensing via proximity switch, and an external M16x1.5 piston rod thread. It delivers a theoretical retracting force of 990 N at 6 bar across an ambient temperature range of -20 °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 3659501. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.