SAAB 7598634 Tension pulley The catalog lists 7579840 as 7598634. Replaced by 7598634 Found in SAAB 9000 1985–1993 Engine › Drive belts · Position 11 SAAB 9000 1985–1993 Engine › Drive belts · Position 11 SAAB 9000 1985–1989 Front end - Rear end › Belt tensioner · Position 3 SAAB 9000 1990–1993 Front end - Rear end › Belt tensioner · Position 3