Chevrolet Impala 2012 Bulb Size
Bulb size chart
This page helps you verify the bulb sizes for the 2012 Chevrolet Impala by lighting position, so you can match the correct replacement before you buy. Whether you are changing a headlight, a cabin lamp, or an exterior signal bulb, checking the location first is the easiest way to avoid ordering the wrong part.
The 2012 Chevrolet Impala uses a mix of halogen bulbs, interior mini bulbs, and a few position-specific lamps that can differ by trim, market, and body style. Use this guide to compare the bulb chart to the light you are replacing and confirm the fit for the exact spot on the vehicle.
Fitment can vary on the 2012 Impala depending on trim level, lighting package, and whether the car has factory halogen or LED-style accessories in certain positions. If you are considering aftermarket LED conversions, make sure the bulb base, polarity, and physical clearance are compatible, especially in tighter housings like fog lights and interior lamps. The safest approach is to check the bulb currently installed in the vehicle before purchasing, since a previous owner may have changed it or a regional package may use a different setup.
FAQ
What is the low beam bulb size for a 2012 Chevrolet Impala?
The low beam headlight bulb listed for the 2012 Chevrolet Impala is H11.
What bulb does the high beam use on this Impala?
The high beam headlight bulb size is H9.
What is the front turn signal bulb size?
The front turn signal bulb is 4157NA.
What bulb is used for the front parking light?
The front parking light bulb is also 4157NA.
What size is the rear brake light bulb on the 2012 Impala?
The rear brake light bulb is 3057R.
What bulb fits the rear tail light position?
The tail light bulb is 3057R.
What is the rear turn signal bulb size?
The rear turn signal bulb is 3057.
What bulb is used for the backup reverse light?
The backup reverse light bulb is 921.
What are the dome and map light bulb sizes?
Both the dome light and map light use 578 bulbs.
What bulb fits the license plate light on a 2012 Chevrolet Impala?
The license plate light bulb is listed as 194 or 7441.
What is the trunk or cargo area light bulb size?
The trunk or cargo area light uses a 912 bulb.
Are the fog light bulbs the same on every 2012 Impala?
Not always. The front fog light listing shows H11 LED or H16 LED, so fitment can depend on the exact trim or package.
Does the center high mount stop light use a standard bulb?
The center high mount stop light is listed as LED, so it may not use a replaceable standard bulb in the same way as other lamps.
Why should I check the installed bulb before ordering?
Because trim, market, and body-style differences can affect bulb fitment, and prior bulb changes may mean the installed part does not match the original specification.