SAAB 4635520 O-ring The catalog lists 4071999 as 4635520. Replaced by 4635520 Found in SAAB 9000 1985–1989 Heating and ventilation › AC compressor · Position 12 SAAB 9000 1990–1992 Heating and ventilation › AC compressor, R12 · Position 17 SAAB 9000 1996–1998 Heating and ventilation › AC compressor - SANDEN · Position 4
