Univen O-ring seal compatible with DeLonghi 5332149100 Package of 3 O-rings Fits many DeLonghi coffee espresso maker 43.6mm OD x 35.2mm ID x 4.2mm Quality part by Univen Univen O-ring seal compatible with DeLonghi 5332149100. Package of 3 O-rings. This O-ring gasket seal fits many DeLonghi coffee espresso makers. Compatible with Delonghi part number 5332149100. Fits on the piston of the brewing unit and thermoblock. 43.6mm OD x 35.2mm ID x 4.2mm Thick. Quality part by Univen.