4F0 254 554 JX · Catalytic converter with front silencer

Replaced by 4F0254555CX — which has itself been discontinued

Audi discontinued 4F0254554JX in October 2012 and records 4F0254555CX as its replacement. 4F0254555CX is itself recorded as discontinued (June 2019), with no further replacement. Catalogue data: oemdiagrams.com · 09/2024.

Where no discontinuation is shown, the 09/2024 catalogue records none. That is not confirmation that the part is currently available.