Engine drain plug gasket by ELRING, catalog number 115100, is listed for vehicle repair or maintenance. The catalog identifies the item as “Engine drain plug gasket”. Confirmed catalog fitment: Audi 80 B4 8C5 (1991–1996), Audi A3 8L1 (1996–2003), Audi A4 B5 8D2 (1994–2001), Audi A4 Avant B5 8D5 (1994–2002), Audi A4 B6 8E2 (2000–2005), Audi A4 Avant B6 8E5 (2000–2005) and other body variants. Fitment is based on the catalog links between the part and vehicle bodies. It helps narrow the search, but final compatibility must be confirmed for the exact vehicle specification. The primary ordering references are part number 115100 and manufacturer ELRING. Parts can differ within the same vehicle model by production year, engine, transmission, installation side, or position. Before purchase, compare the number and identification with the removed component and verify body, year, and specification by VIN. Also compare appearance, connectors, mountings, dimensions, and included items whenever those details are relevant to this part.