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 553373 is a round industrial component featuring a size 100 designation, a 93 mm outside diameter, and a stroke range of 51 mm to 125 mm with a 37 mm piston rod extension. This protective bellows kit includes ducted exhaust, PA-reinforced adaption parts, NBR seals and bellows, and a high-alloy stainless steel threaded pin, achieving IP54 protection and CRC 3 high corrosion stress resistance while withstanding dust, chips, oils, grease, and petrol at ambient temperatures from -10 °C to 80 °C. It supports any mounting position via push-fitted or threaded pin installation and features a G1/4 pneumatic connection with RoHS-compliant materials. Submit the exact part number, quantity, and application requirements to request a formal 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 553373. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.