Chevrolet Silverado 2500HD 2002 Bulb Size
Bulb size chart
This page helps you verify bulb sizes for the 2002 Chevrolet Silverado 2500HD by lighting position, so you can match the correct replacement to each lamp location instead of guessing by appearance. Whether you are replacing a headlight, tail light, interior bulb, or a small indicator lamp, checking the exact socket position first can save time and prevent buying the wrong part.
For this Silverado 2500HD year, the bulb chart includes common service items such as 9005 high beam headlights, 9006 low beam headlights, 3157A front turn and parking bulbs, 3157R rear brake and tail bulbs, and several interior and utility bulbs like 168, 194, 578, 912, and 921. Because trim and lighting package details can vary, it is smart to confirm the bulb by location before ordering replacements.
Fitment can vary by trim, body style, market, and factory lighting package, so treat the bulb list as a guide and compare it with the bulb already installed in your truck. This is especially important if your Silverado has been converted to LED, uses aftermarket housings, or has had previous repairs that changed the original socket or bulb type. Halogen and LED bulbs may share the same base in some applications, but they do not always produce the same beam pattern, brightness, or warning behavior. Before you buy, remove the old bulb and check the number printed on the base whenever possible, then compare it with the chart to make sure you are getting the correct fit.
FAQ
What bulb size is the high beam headlight on a 2002 Chevrolet Silverado 2500HD?
The high beam headlight bulb listed for the 2002 Chevrolet Silverado 2500HD is 9005.
What bulb size is the low beam headlight?
The low beam headlight bulb listed for this truck is 9006.
What bulb is used for the front turn signal and parking light?
The front turn signal light and front parking light both use 3157A on this page.
What bulb size fits the rear turn signal, brake light, and tail light?
The rear turn signal light, brake light, and tail light are listed as 3157R.
What is the reverse light bulb for the 2002 Silverado 2500HD?
The back up reverse light bulb listed here is 3157.
What bulb is used for the center high mount stop light?
The center high mount stop light bulb is 921.
What are the interior dome and map light bulb sizes?
The map light bulb is 168. The dome light is shown with two possible options on this page: 578 and 211-2, depending on trim or lamp setup.
What bulb size is used for the glove box and courtesy lights?
The glove box light bulb is 194. Courtesy light applications on this page include 194 and 2721, so it is important to match the installed bulb and socket style.
What bulb size fits the license plate light?
The license plate light is listed with two compare-to-original options: 194 and 97. Check the bulb already installed before purchasing.
What bulb is used for the roof marker lights?
The roof marker light bulb is listed as 194.
What bulb size is used for the front and rear side marker lights?
Both the front side marker light and rear side marker light are listed as 194NA.
What is the fog light bulb size on this truck?
The front fog light bulb listed for the 2002 Chevrolet Silverado 2500HD is 880.
What bulb is used for the daytime running lights?
The daytime running light bulb is listed as 4114.
Are there different bulb sizes for instrument and indicator lights?
Yes. The instrument panel light bulb is PC195, while several indicator bulbs are listed as PC74, including the turn signal indicator, high beam indicator, parking brake indicator, and check engine light.
Why should I check the installed bulb before ordering replacements?
Because trim, package, and previous repair differences can affect fitment. Checking the installed bulb helps confirm the exact base and avoids problems when a vehicle has halogen replacements, LED conversions, or non-original housings.