For 1987-1989 GMC V3500 Alternator Rectifier Set SMP 74357PB 1988

For 1987-1989 GMC R2500 Alternator Rectifier Set SMP 26496ZK 1988

For 1987-1989 GMC R3500 Alternator Rectifier Set SMP 89494ZH 1988

For 1987-1989 GMC R3500 Alternator Rectifier Set SMP 95581PF 1988

For 1987-1989 GMC R2500 Alternator Rectifier Set SMP 45194CN 1988

For 1987-1991 GMC V3500 Alternator Rectifier Set SMP 93577MT 1988 1989 1990

For 1991 Chevrolet V3500 Alternator Rectifier Set SMP 64662QKSF

For 1979-1986, 1988-1989 GMC C1500 Alternator Rectifier Set SMP 78285HB 1980