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

For 1987-1989 GMC V3500 Alternator Rectifier Set SMP 44189BG 1988

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

For 1987-1990 GMC V3500 Alternator Rectifier Set SMP 32565JRXW 1988 1989

For 1987-1990 GMC V3500 Alternator Rectifier Set SMP 75572GDKT 1988 1989

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

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

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