RF5C-10-400A, RF5C 10 400A, RF5C10400A. This is the Engine Oil Pan Sump. MAZDA 6 Hatchback (GG) 2.0 DI (GG14) 1998 2002.08 - 2007.08. MAZDA 6 Hatchback (GG) 2.0 DI (GG14) 1998 2005.06 - 2007.08. MAZDA 6 Saloon (GG) 2.0 DI (GG14) 1998 2002.06 - 2007.08.