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 553309 industrial component is a round protective bellows kit featuring a size 40 designation, a 46 mm outside diameter, a stroke range of 476 mm to 500 mm, a 131 mm piston rod extension, and ducted exhaust capability. Built with a CRC 3 high corrosion resistance class, NBR seals and bellows, PA-reinforced adaption parts, and high-alloy stainless steel threaded pins, this 144 g unit delivers IP54-rated protection against dust, chips, oils, grease, and petrol across an ambient temperature range of -10 °C to 80 °C. It supports any mounting position via push-fitted installation or threaded pin, utilizes a G1/8 pneumatic connection, conforms to VDMA24364-B2-L LABS, and complies with RoHS material standards. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 553309. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.