What is a brewing unit piston
The piston is a moving part of the brewing unit that presses the ground coffee under pressure into a compact puck and then forces hot water through it. Its precise movement and seal against the cylinder of the brewing chamber are essential for creating the pressure needed for coffee extraction.
When the part stops doing its job
- Weak or watery coffee lacking full flavor
- Water or coffee grounds leaking outside the brewing unit
- Unusual noise or grinding during unit movement
- Uneven coffee dosing or incomplete compression
Why replace this part in time
A worn or damaged piston loses its seal and precision of movement, which reduces extraction quality and can overload other parts of the brewing unit. Timely replacement prevents bigger failures and keeps the coffee taste consistent.
How to choose the right part
Pistons vary in size, shape, and mounting method depending on the specific type of brewing unit. Before purchasing, check compatibility in the product table to make sure the part fits your coffee machine.
Compatible with
- ECAM28.465.MB PrimaDonna S De Luxe
- ECAM28.466.M PrimaDonna S De Luxe
- ECAM28.466.MB PrimaDonna S De Luxe
- ECAM28.467.B PrimaDonna S
- ECAM26.455.B PrimaDonna S De Luxe
- ECAM26.455.BLB PrimaDonna S De Luxe
- ECAM26.455.BWB PrimaDonna S De Luxe
- ECAM26.455.C PrimaDonna S De Luxe
+ 141 more compatible models
- ECAM26.455.GRB PrimaDonna S De Luxe
- ECAM26.455.GYB PrimaDonna S De Luxe
- ECAM26.455.MB PrimaDonna S De Luxe
- ECAM26.455.RB PrimaDonna S De Luxe
- ECAM26.455.WB PrimaDonna S De Luxe
- ECAM26.455.YEB PrimaDonna S De Luxe
- ECAM28.465.AZ Vintage PrimaDonna S
- ECAM28.465.BG Vintage PrimaDonna S
- ECAM28.465.M PrimaDonna S De Luxe
- ECAM23.450.B Intensa Cappuccino
- ECAM23.450.S Intensa Cappuccino
- ECAM44.620.S Eletta Plus
- ECAM45.326.S Eletta Plus
- ECAM350.15.B Dinamica
- ECAM350.55.B Dinamica
- ECAM352.55.SB Dinamica
- ECAM650.55.MS PrimaDonna Elite
- ECAM650.75.MS PrimaDonna Elite
- ECAM656.55.MS PrimaDonna Elite
- ECAM656.75.MS PrimaDonna Elite
- ETAM29.510.B Autentica
- ETAM29.510.SB Autentica
- ETAM29.620.SB Autentica Plus
- ETAM29.660.S Autentica Cappuccino
- ETAM29.660.SB Autentica Cappuccino
- ETAM29.666.S Autentica Cappuccino
- ETAM29.666.T Autentica Cappuccino
- ECAM21.110.B Magnifica S
- ECAM21.110.SB Magnifica S
- ECAM21.110.W Magnifica S
- ECAM21.116.SB Magnifica S
- ECAM21.117.B Magnifica S
- ECAM21.117.SB Magnifica S
- ECAM21.117.W Magnifica S
- ECAM21.118.B Magnifica
- ECAM21.118.W Magnifica
- ECAM22.110.B Magnifica S
- ECAM22.110.SB Magnifica S
- ECAM22.320.B Magnifica S Plus
- ECAM22.320.SB Magnifica S Plus
- ECAM22.360.B Magnifica S Cappuccino
- ECAM22.360.S Magnifica S Cappuccino
- ECAM22.366.B Magnifica Cappuccino S
- ECAM23.120.B
- ECAM23.120.SB
- ECAM23.123.B
- ECAM23.210.B Intensa
- ECAM23.210.W Intensa
- ECAM23.216.B Intensa
- ECAM23.217.SB Intensa
- ECAM23.420.SB Intensa
- ECAM23.420.SR Intensa
- ECAM23.420.ST Intensa
- ECAM23.420.SW Intensa
- ECAM23.426.SB Intensa
- ECAM23.427.B Intensa
- ECAM23.427.R Intensa
- ECAM23.450.B EX:3 Intensa Cappuccino
- ECAM23.450.S EX:3 Intensa Cappuccino
- ECAM23.466.B Cappuccino
- ECAM23.466.S Cappuccino
- ECAM24.210.SB Intensa
- ECAM24.450.S Cappuccino
- ECAM24.467.S Cappuccino
- ECAM25.120.B Cappuccino
- ECAM25.120.SB
- ECAM25.128.B
- ECAM25.128.R
- ECAM25.128.Y
- ECAM25.452.B Cappuccino
- ECAM25.452.S Cappuccino
- ECAM25.457.B Cappuccino
- ECAM25.457.S Cappuccino
- ECAM25.462.B
- ECAM25.462.S
- ECAM25.467.B
- ECAM25.467.S
- ECAM26.455.M PrimaDonna S De Luxe
- ECAM350.35.SB Dinamica
- ECAM350.35.W Dinamica
- ECAM350.75.S Dinamica
- ECAM370.95.T Dinamica Plus
- ECAM44.660.B Eletta Cappuccino
- ECAM45.366.B Eletta Cappuccino
- ECAM45.366.S Eletta Cappuccino
- ECAM45.366.W Eletta Cappuccino Top
- ECAM45.760 W Eletta Cappuccino
- ECAM45.760.B Eletta Cappuccino
- ECAM45.766.B Eletta Cappuccino Top
- ECAM45.766.W Eletta Cappuccino Top
- ECAM510.55.M PrimaDonna S Evo
- ECAM550.55.SB PrimaDonna
- ECAM556.55.MS PrimaDonna Class
- ECAM556.55.SB PrimaDonna Class
- ECAM556.55.W PrimaDonna Class
- ECAM556.75.MS PrimaDonna Class
- ECAM656.85.MS PrimaDonna Elite
- ECAM22.366.S Magnifica Cappuccino S
- ECAM23.460.B Cappuccino
- ETAM36.365.M PrimaDonna Xs
- ETAM36.365.MB PrimaDonna Xs
- ETAM36.366.MB PrimaDonna Xs
- ECAM21.116.B Magnifica S
- ECAM44.668.T Eletta Cappuccino
- ECAM358.15.B Dinamica
- ECAM358.15.R Dinamica
- ECAM370.95.S Dinamica Plus
- ECAM28.464.M PrimaDonna S De Luxe
- ECAM353.75.B Dinamica
- ECAM353.75.W Dinamica
- ECAM370.85.SB Dinamica Plus
- ECAM376.95.T Dinamica Plus
- ECAM44.668.B Eletta Cappuccino
- ECAM23.463.B Cappuccino
- ECAM20.110.B Magnifica S
- ECAM21.112.B Magnifica
- ECAM22.117.B Magnifica
- ECAM353.15.B Dinamica
- ECAM13.123.B
- ECAM22.105.B Magnifica
- ECAM230.13.B Magnifica S Smart
- ECAM250.23.SB Magnifica S Smart
- ECAM250.31.SB Magnifica
- ECAM44.628.S Eletta Plus
- ECAM23.266.B Cappuccino Smart
- ECAM44.666.B Eletta Cappuccino
- ECAM46.860.B Eletta Cappuccino Evo
- ECAM550.65.W PrimaDonna Class Evo
- ECAM356.57.B Dinamica
- ECAM20.116.B Magnifica S
- ECAM352.57.SB Dinamica
- ECAM356.77.S Dinamica
- ECAM610.55.SB PrimaDonna Soul
- ECAM610.74.MB PrimaDonna Soul
- ECAM610.75.MB PrimaDonna Soul
- ECAM370.85.B Dinamica Plus
- ECAM376.95.S Dinamica Plus
- ECAM516.45.MB PrimaDonna S Evo
- ECAM550.65.MS PrimaDonna Class
- ECAM550.65.SB PrimaDonna Class
- ECAM550.85.MS PrimaDonna Class
| Manufacturing company | De’Longhi Appliances S.r.l. |
|---|---|
| Address | Via L. Galvani, 22, 31100 Treviso TV, Italy |













