Fuel pump check valve for Porsche 944

Fuel pump check valve for all Porsche 944:

- 944 phase 1 - 2.5 - 163 hp (M44.01 to 04) from 1982 to 1985
- 944 phase 2 - 2.5 - 163 hp (M44.05 to 08) from 1985 to 1987
- 944 phase 2 - 2.5 - 160 hp (M44.09/M44.10) from 1988
- 944 phase 2 - 2.5 S - 190 hp (M44.40) from 1987 to 1988
- 944 phase 2 - 2.7 - 165 hp (M44.11/M44.12) from 1989
- 944 phase 2 - 3.0 S2 - 211 hp (M44.41) from 1989 to 1991
- 944 phase 2 - 2.5 Turbo 250 hp (M44.52) from 1989 to 1991
- 944 phase 2 - 2.5 Turbo 220 hp (M44.50/M44.51) from 1986 to 1988
- 944 phase 2 - 2.5 Turbo S/Cup M758 250 hp (M44.52) from 1988