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 1996~2017 Chevrolet Express 1500 / 2500 / 3500 / 4500, 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 model with halogen capsule headlamp: 9005 / 9005LL; for the model with sealed headlamp: H6054
- Low beam headlight for the model with halogen capsule headlamp: 9006; for the model with sealed headlamp: H6054
- Front turn signal light ( blinker light)/ Parking light for 1996~2002 models: 2057A / 2057NA; for 2003~2017 models: 3157 / 3157KX / 3157-SCK
- Rear turn signal light / Brake Tail light for 1996~2002 models: 2057; for 2003~2017 models: 3157 / 3157KX / 3157-SCK
- Back-up reverse light for 1996~2002 models:1156 ; for 2003~2017 models: 3157 / 3157KX / 3157-SCK
- License plate light / Tag light: 194
- Interior Dome light: 212-2
- Interior Map light for 1996~2002 models: 561; for 2003~2017 models: 578
- Front side marker light: 194 / 24
- Glove box light : 194
- Luggage compartment light for 2003~2017 models: 211-2
- Engine Compartment light for 2003~2017 models: 578
- Vanity mirror light: 37
Vehicles incluces: 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Chevrolet ( Chevy ) Express 1500 / 2500 / 3500 / 4500
