Delonghi O-Ring 0350-41 Red Silicone
If your Delonghi diffuser, also known as the brew unit, or mechanics valve is leaking or no longer sealing correctly, a worn O-ring may be one of the most common causes.
Common Symptoms This Part May Fix
- Water leaking around the diffuser or brew unit
- Leaks from the mechanics valve area
- Loss of sealing around internal fittings and connections
- Worn, flattened, or damaged O-ring
This genuine Delonghi O-ring is used on the diffuser, also known as the brew unit, and mechanics valve area of compatible Delonghi coffee machines. Over time, heat, pressure, limescale, and age can cause O-rings to harden, flatten, or lose their sealing ability, resulting in leaks.
Trusted by repair technicians and used in professional coffee machine repairs.
Important Information
We recommend replacing damaged, flattened, or hardened O-rings during repairs and servicing. Reusing worn seals may result in leaks after reassembly.
O-rings are wear items and we generally recommend replacing them every 4 years as part of routine servicing to help maintain reliable sealing and reduce the risk of leaks.
Compatibility
Please use the compatibility checker above to confirm your machine model before ordering.
Manufacturer Part Numbers
5332149100
Need Help Finding the Right Part?
Not sure which O-ring 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 O-ring cause leaks around the Delonghi diffuser or mechanics valve?
Yes. A worn, flattened, cracked, or hardened O-ring can prevent a proper seal and may cause leaks around the diffuser, brew unit, mechanics valve, or nearby internal fittings and connections.
Should I replace this O-ring during repair?
Yes. If the original O-ring is damaged, flattened, brittle, or no longer seals correctly, we recommend replacing it. As O-rings are wear items, we also generally recommend replacement every 4 years during routine servicing, even if there are no obvious signs of damage. Reusing old seals can sometimes cause leaks after reassembly.
Will this fit my machine?
Use the compatibility checker above to confirm your machine model.
Is this a genuine Delonghi part?
Yes. This is a genuine Delonghi replacement O-ring.
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!
