TRQ Vent Window Weatherstrip Kit fits GMC V3500 1987-1991 81MFVT

For 1987-1991 GMC V3500 Vent Window Weatherstrip Kit 75394ZPHJ 1988 1989 1990

DIY Solutions Vent Window Weatherstrip Kit fits GMC V3500 1987-1991 94MTGM

For 1987 GMC V3500 Door Window Belt Weatherstrip Kit APR 35631YYTC

For 1988-1991 GMC V3500 Door Window Belt Weatherstrip Kit APR 33531FSWG

For 1987-1991 GMC R3500 Vent Window Weatherstrip Kit APR 97435MNQS