4F0 853 373 B · Sill trim strip Audi genuine (OEM) part number 4F0 853 373 B, Sill trim strip. Fitted on (2)STRIP — pos (9) · PR:7M0 (KAT448.BIN)STRIP — pos (9) · PR:7M0 (KAT648.BIN) Open the interactive exploded diagram →