For 1988-1989 GMC R2500 Headlight Bulb Low Beam API 28968FJFQ

For 1988-1989 GMC R2500 Headlight Bulb Low Beam API 38796XDCP

For 1988-1989 GMC R2500 Headlight Bulb High Beam API 29527KXRB

For 1988-1989 GMC R2500 Headlight Bulb High Beam API 74242MGCT

API 76MZ21Y Low Beam Headlight Bulb Fits 1988-1989 GMC R2500

API 58WZ68T Low Beam Headlight Bulb Fits 1988-1989 GMC R2500

For 1989 Chevrolet R2500 Headlight Bulb Low Beam API 47581GNPK

Low Beam Headlight Bulb For 1988-1989 GMC R2500 GK351QT