bypass valves

924 M31/30 1979-81: 93012306010 new or in exchange

924 M31/03 1981-82: 93112306607 new or in exchange

924 M31/50 1980-82: 93112306601 new or in exchange

964 Turbo 3.3 M30/69 1990-92: 93012306013 new or in exchange

964 Turbo 3.6 M64/50 1993-94: 96412306020 new or in exchange

911 Turbo 3.3 M30/60-68 1978-89: 93012306012 new or in exchange

911 Turbo 3.0 M30/50-52 1975-77: 93012306012 new or in exchange

959 1987-91: 95912300103 in exchange

959 1987-91: 95912305103 in exchange

951 1986-91: 95112301504 new

(the number serves only for the purpose of comparison!)