For 1991 GMC Syclone Alternator Diode Trio SMP 37341DSQB

For 1987-1991 GMC R1500 Suburban Alternator Diode Trio SMP 43678FVWH 1988 1989

For 1987-1991 GMC V1500 Suburban Alternator Diode Trio SMP 53322MYPZ 1988 1989

For 1987-1991 GMC R2500 Suburban Alternator Diode Trio SMP 65117MPWC 1988 1989

For 1987-1991 GMC V2500 Suburban Alternator Diode Trio SMP 53289ZJ 1988 1989

For 1979-1986, 1988-1991 GMC C1500 Alternator Diode Trio SMP 19378QQ 1980 1981

For 1987-1991 GMC R2500 Suburban Alternator Diode Trio SMP 38156CYNJ 1988 1989

For 1987-1991 GMC V1500 Suburban Alternator Diode Trio SMP 41681WHTH 1988 1989