GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Impala 🢒 Service and Appearance Care 🢒 Bulb Replacement 🢒 Replacement Bulbs

Exterior Lamp

Bulb Number

Back-Up

921

Fog Lamp

TBD

Front Parking/Turn Signal

3357NAK or 3457NAK

Headlamps

  • High-beam

9005

  • Low-beam

9006

Stoplamps, Taillamps, and Turn Signal

3057

For replacement bulbs not listed here, contact your dealer.