For 1988-1989 GMC R2500 High Beam Indicator Light Bulb API 46856CFRF

For 1989 Chevrolet R2500 Headlight Bulb High Beam API 21948QZJW

For 1988-1989 GMC R2500 High Beam Indicator Light Bulb Philips 42354FNVQ

For 1988-1989 GMC R2500 High Beam Indicator Light Bulb Philips 26659GTSQ

For 1988-1998 Chevrolet C3500 High Beam Indicator Light Bulb API 92694PHMG 1989

For 1988-1998 Chevrolet K2500 High Beam Indicator Light Bulb API 27366BCTB 1989

For 1989-1991 Chevrolet V3500 High Beam Indicator Light Bulb API 82817ZZRX 1990

For 1989-1991 Chevrolet R3500 High Beam Indicator Light Bulb API 39345HRSF 1990