ventilation

928 (83-92), 959 (87-88), 964 (89-94), 993(94-98) Expansion valve

928 V8 4.5 1978 - 1982 928 V8 4.7 1983 - 1986 928 GT V8 5.0 1991 928 GTS V8 5.4 1992 - 1995 928 S4 V8 5.0 1987 - 1991 944 L4 2.5 1983 - 1988 944 S L4 2.5 1987 - 1988 944 Turbo L4 2.5 1986 - 1988  Low pressure switch

928 (78-82) Narrow v-belt compressor airco 13 x 1025