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.

Filtration Group
The Filtration Group MITTELDRUCKFILTER PI 3605-013, bearing manufacturer part number 77656044 and alternate identifier 285521, is an industrial component designed for medium-pressure filtration applications. This Filtration Group part is identified by manufacturer model numbers MITTELDRUCKFILTER PI 3605-013, 77656044, and 285521. Submit the exact part number, quantity, and application requirements to request a quote for this component.
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 Filtration Group 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 Filtration Group 77656044. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.