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 558804 is a standard Y-shaped industrial component featuring a 5.5 mm nominal width, nickel-plated brass housing, and NBR tubing seal designed for a push-pull connection with 8 mm and 6 mm outside diameter pneumatic tubing. This pack of 10 components operates within a temperature range of -20 °C to 70 °C and handles an operating pressure from -0.095 MPa to 1.6 MPa using compressed air conforming to ISO 8573-1:2010 [7:-:-], with lubricated operation possible and a corrosion resistance class of 1. 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 558804. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.