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 1994~2017 Chevrolet Impala / Impala Limited; 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 and Low beam headlight for 1994~1996 Chevy Impala: 9004
- High Beam headlight for 2000~2005 Chevy Impala: 9005 ; for 2006~2013 Chevy Impala & 2014~2016 Chevy Impala Limited: H9; for 2014~2017 Chevy Impala with halogen capsule headlamp: 9012
- Low Beam headlight for 2000~2005 Chevy Impala: 9006; for 2006~2013 Chevy Impala & 2014~2016 Chevy Impala Limited: H11 / H11LL; for 2014~2017 Chevy Impala with LED headlamp: LED
- Fog light for 2000~2005 Chevy Impala: 893; for 2006~2013 Chevy Impala & 2014~2016 Chevy Impala Limited: H11 / H11LL
- Front turn signal light ( blinker light)/ Parking light for 1994~1996 Chevy Impala: 2057A / 2057NA; for 2000~2013 Chevy Impala & 2014~2016 Chevy Impala Limited : 3457A / 3457NAK / 4157NA / 4157NAK / 3157-SCK; for 2014~2017 Chevy Impala: 7444NA
- Rear turn signal light/Brake Tail light for 1994~1996 Chevy Impala: 2057; for 2000~2013 Chevy Impala & 2014~2016 Chevy Impala Limited : 3057 / 3057K / 3157-SCK; for 2014~2017 Chevy Impala: 7443 / 7443LL / 7443-SCK
- Back-up reverse light for 1994~1996 Chevy Impala: 2057; for 2000~2013 Chevy Impala & 2014~2016 Chevy Impala Limited: 921; for 2014~2017 Chevy Impala: 7440
- 3rd Brake light / Center high mount stop light for 1994~1996 Chevy Impala: 2057; for 2000~2017 models: LED
- License plate light / Tag light: 2825 / 2825L / 194
- Interior Dome light for 1994~1996 Chevy Impala: 561; for 2000~2013 Chevy Impala & 2014~2016 Chevy Impala Limited: 578
- Interior Map light for 1994~~2005 Chevy Impala : 194; for 2006~2013 Chevy Impala & 2014~2016 Chevy Impala Limited: 578
- Glove box Light: 194 / 175
- Vanity mirror light: 37
- Front side marker light: 194
- Rear side marker light for 2006~2013 Chevy Impala & 2014~2016 Chevy Impala Limited: 194
Vehicles incluces: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Chevrolet ( Chevy ) Impala / Impala Limited