Part Type: Brake Master Cylinder Reservoir. 2007 Audi A4 Submodel: Base; Engine: 2.0L L4; With OE No. 8E0611301G;. 2007 Audi A4 Submodel: Base; Engine: 3.2L V6; With OE No. 8E0611301G;. 2007 Audi A4 Submodel: Cabriolet; Engine: 2.0L L4; With OE No. 8E0611301G;.