Fits E30, E36, E46, E34, E39. (M20, M30, M50, M52, S50, S52, M54) or other applications that call for a 7.52 x 3.53 o-ring.
Viton material for full compatibility with all fuel types, including E85.
Fule injector o-rings are a ommon source of small vacuum leaks with age. A very good idea when swapping in used injectors with unknown O-rings.