Replacement earpads
These passed our full evidence gate for this exact model.
Fit details and supporting evidence.
Dekoni’s product page explicitly lists Philips Fidelio X3 as a compatible model and says the pads are engineered for X2, X2HR, and X3. It offers Choice Leather, Choice Suede, and Elite Velour. The listed dimensions are A 118 mm, C 66 mm, D 66 mm, and E 58 mm.
These are not ranked alongside verified fits.
The exact model is named in supporting evidence, but the claim did not meet our full verified-evidence threshold.
The product page explicitly names Philips Fidelio X3 and offers replacement pads in velour or PU leather. The page provides no part number or detailed mounting specification.