Delonghi O-Ring 02037 Red Silicone
If steam or water leaks from a steam wand, frother, cappuccinatore, or one of its connections, a worn seal may be the cause.
Common Symptoms This Part May Fix
- Steam or water leaking from the frother or steam-wand connection
- Loose or unreliable sealing at the steam tube or fitting
- A worn, flattened, hardened, or damaged seal
This seal is used on a steam-wand, frother, or cappuccinatore connection on compatible coffee machines. Over time, heat, pressure, movement, limescale, and age can reduce sealing performance and lead to leaks or poor operation.
Trusted by repair technicians and used in professional coffee machine repairs.
Important Information
Delonghi O-Ring 02037 Red Silicone, ring thickness 1.78 mm - internal ø 9.25 mm
O-rings and gaskets are wear items. Where applicable, we generally recommend replacing them every 4 years as part of routine servicing, even when there are no obvious signs of damage.
Compatibility
This o-ring usually fits on the removable sleeve/Tube Lower of the Frother or this is the upper, bigger O-ring on the very end of the steam arm but it fits various of other places too, check compability and diagrams to confirm
Please use the compatibility checker and the relevant exploded diagrams above to confirm your exact machine model, required quantity, and fitting location before ordering.
Manufacturer Part Numbers
535693
Need Help Finding the Right Part?
Not sure which part you need or whether it fits your coffee machine? Contact us before ordering and our team will help you identify the correct part for your model.
Common Questions
Can a worn steam/frother seal cause a leak?
Yes. A worn, flattened, cracked, or hardened seal may prevent the connection from sealing correctly, allowing water or steam to escape.
Should I replace this part during repair or servicing?
Yes. Replace it if it is damaged, flattened, brittle, hardened, or no longer seals correctly. Replacing ageing seals during routine servicing can also reduce the risk of leaks after reassembly.
Will this fit my machine?
Use the compatibility checker and exploded diagrams above to confirm your machine model, required quantity, and exact fitting location.
Is this a genuine part?
Yes. This is a genuine Delonghi replacement part.
If you are not sure what part you need please follow our Guide or Contact us here.
Please note we do not accept any kind of liability from incorrectly fitted parts. Wrongly fitted parts void warranty.
If you are not competent to carry out a repair, seek professional help here!