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GMC C 2500 Series Bulb Size Guide

1990~2000 GMCC2500 / C2500 Suburban Bulb Size Guide

When upgrading the stock halogen / incandescent lamps to led lighting bulbs, the bulb size guide will be much helpful, below are the bulb size guide for 1990~2000 GMC C2500 / C2500 Suburban; yet it is for reference only, it is suggested to check the owner manual to confirm the bulb size guide is correct before purchasing.

​High beam headlight for the vehicle with halogen capsule headlamp: 9005; for the vehicle with 4 rectangular headlamps: H4707; for the vehicle with 2 rectangular headlamps or sealed headlamp:H6054
Low beam headlight for the vehicle with halogen capsule headlamp: 9006; for the vehicle with 4 rectangular headlamps: H4707; for the vehicle with 2 rectangular headlamps or sealed headlamp:H6054
Fog light for GMC C2500: H3; for 1992~1997 GMC C2500 Suburban: H3; for 1998~ 1999 GMC C2500 Suburban: 894 or H3
Front turn signal light for 1990~1991 & 1993~2000 GMC C2500: 2357NA; for 1992 GMC C2500: 3057 / 3157AK / 3157NA / 3157-SCK ( also as parking light);for 1993~1999 GMC C2500 Suburban: 2357NA; for 1992 models: 3057
Rear turn signal light/ Brake Tail light​ for 1990~1992 & 1998~2000 GMC C2500: 3057 / 3157 / 3057KX / 3157KX; for 1993~1997 GMC C2500: 1157 or 3057 ( please check the owner manual to confirm the bulb size); for 1992~1999 GMC C2500 Suburban: 3057 / 3157-SCK
Back-up reverse light for 1990~1992 & 1998~2000 GMC C2500: 3156; for 1993~1997 GMC C2500:1156
​ for 1992~1999 GMC C2500 Suburban: 3156
3rd Brake light / Center high mount stop light: 921 / 912
License plate light / Tag light: 194
Interior Map light​: 168 or 211-2 / 578
Interior Dome light: 211-2
Front & Rear side marker light: 194
Ash tray light: 194 / 161
​Check engine light: 194 or 74
Vanity mirror light: 6612F
Courtesy light: 1003 or 168 or 211-2 or 74
Engine compartment light: 93
High beam Indicator light: 161 or 74
​Instrument panel light: 161 / 194 or 74
Parking brake indicator light: 194 or 74
Seat belt light: 194 or 74
Turn signal indicator light: 194 or 74
​Auto trans indicator light: 161
Glove box light: 194


​Vehicles includes: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 GMC C2500 / C2500 Suburban