For 1988-1989 GMC R2500 License Light Bulb API 42533NZBV

For 1989 Chevrolet R2500 Back Up Light Bulb API 77724SPPQ Back Up Light

For 1987-1991 GMC R2500 Suburban License Light Bulb API 62793NCPM 1988 1989 1990

For 1989 Chevrolet R2500 License Light Bulb Philips 37619YBNZ

For 1989-1991 Chevrolet R2500 Suburban License Light Bulb API 31871DGPW 1990

For 1987 GMC R2500 License Light Bulb API 58124GKCQ

For 1989-1991 Chevrolet R2500 Suburban Map Light Bulb API 45849WRGX 1990

For 1988-2000 Chevrolet K2500 License Light Bulb API 79425XKQW 1989 1990 1991