Chevrolet Silverado 1500 2012 Bulb Size
Bulb size chart
This page helps you verify the bulb sizes for the 2012 Chevrolet Silverado 1500 by lighting position, so you can match the correct bulb to the right socket before you buy. Whether you are replacing a headlight, signal lamp, interior light, or cargo lamp, using the position-specific bulb chart makes it easier to avoid ordering the wrong part.
The 2012 Chevrolet Silverado 1500 uses several different bulb types depending on where the light is located. Some positions use standard halogen bulbs, while others may use LED-style replacements or have more than one valid fitment depending on the original setup. Checking the bulb location carefully is the best way to confirm the correct size for your truck.
Fitment can vary by trim, lighting package, market, and body style, so it is smart to compare the chart with the bulb already installed in your Silverado before purchasing replacements. This is especially important if your truck has been converted to LED, since aftermarket LED bulbs may fit the socket but still differ in beam pattern, brightness, or compatibility. For example, the low beam uses H11 and the high beam uses 9005, while the front turn signal, parking light, and front side marker all use 4157NA. Some rear and cargo-area positions also have more than one listed option, so checking the existing bulb and connector before ordering can help prevent returns and installation issues.
FAQ
What are the low beam headlight bulb sizes for a 2012 Chevrolet Silverado 1500?
The low beam headlight bulb size listed for the 2012 Chevrolet Silverado 1500 is H11.
What bulb does the high beam headlight use on this truck?
The high beam headlight bulb size is 9005.
What is the front turn signal bulb size on a 2012 Silverado 1500?
The front turn signal light bulb size is 4157NA.
Do the parking lights and front side marker lights use the same bulb?
Yes. The parking light bulb and the front side marker light bulb are both listed as 4157NA.
What bulb size is used for the daytime running lights?
The daytime running light bulb is listed as H11 LED.
What are the rear turn signal and tail light bulb sizes?
The rear turn signal light bulb is 3047, and the tail light bulb is 3047R.
What bulb is used for the brake light on the 2012 Chevrolet Silverado 1500?
The brake light bulb size is 3047R.
What are the back up light bulb options on this page?
Two back up light bulb options are listed: 921 for one fitment and 3047 for another fitment. Check the installed bulb to confirm which one your truck uses.
What bulb size is used for the center high mount stop light?
The center high mount stop light bulb size is 921.
What is the license plate light bulb size?
The license plate light bulb size is 168.
What bulb does the fog light use?
The front fog light bulb is listed as 5202 LED.
What interior bulb sizes are listed for this Silverado?
The trunk or cargo area light uses 912, the vanity mirror light uses 6612F, and both the dome light and map light use 212-2.
Why should I check the bulb already installed before buying a replacement?
Because trim level, body style, lighting package, and prior repairs can affect what is actually in the truck. Checking the installed bulb helps confirm the correct fitment before you order.
Can I switch the halogen bulbs to LED replacements?
Yes, many owners do, but LED conversions can change brightness, beam pattern, and compatibility. Make sure the LED bulb matches the socket and is suitable for the light position.