GMC K2500 Bulb Size Guide

1990~2000 GMC K2500 / K2500 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 K2500 / K2500 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 K2500: H3; for 1992~1997 GMC K2500 Suburban: H3; for 1998~ 1999 GMC K2500 Suburban: 894 or H3
Front turn signal light for 1990~1991 & 1993~2000 GMC K2500: 2357NA; for 1992 GMC K2500: 3057 / 3157AK / 3157NA / 3157-SCK ( also as parking light); for 1993~1999 GMC K2500 Suburban: 2357NA; for 1992 models: 3057
Rear turn signal light/ Brake Tail light for 1990~1992 & 1998~2000 GMC K2500: 3057 / 3157 / 3057KX / 3157KX; for 1993~1997 GMC K2500: 1157 or 3057 ( please check the owner manual to confirm the bulb size)
for 1992~1999 GMC K2500 Suburban: 3057 / 3157-SCK
Back-up reverse light for 1990~1992 & 1998~2000 GMC K2500: 3156; for 1993~1997 GMC K2500:1156
for 1992~1999 GMC K2500 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 K2500 / K2500 Suburban