For 1989-1991 Chevrolet R3500 Turn Signal Indicator Light Bulb API 43145DBVZ

API 26YY83P Turn Signal Indicator Light Bulb Fits 1989-1991 Chevy R3500

For 1990-1991 Chevrolet R3500 Turn Signal Light Bulb Rear API 54588MHQN

For 1989-1991 Chevrolet R3500 Turn Signal Light Bulb Front API 87583RBWV 1990

API 18RN22H Rear Turn Signal Light Bulb Fits 1987-1989 GMC R3500

API ProTune Turn Signal Indicator Light Bulb fits Chevy R3500 1989-1991 85GHPG

API 34DM45Q Rear Turn Signal Light Bulb Fits 1989 Chevy R2500

For 1989 Chevrolet R3500 Turn Signal Light Bulb Rear Philips 22551FBFT