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This 2007 Dodge Nitro bulb size guide helps you verify the correct replacement bulb by lighting position, so you can match the right part before you buy. Use it to check exterior, interior, and dashboard bulbs one by one instead of guessing by appearance alone.
The 2007 Dodge Nitro can use different bulb setups depending on trim, market, and lighting package, so the safest approach is to confirm the bulb size for each socket on your vehicle. This page organizes the common bulb positions to make headlight, tail light, marker light, and cabin light replacement easier.
For the best fitment results, compare the bulb size on this page with the bulb already installed in your Nitro, especially if your SUV has been modified or uses a different trim package. Halogen bulbs and LED replacements do not always fit or function the same way, and some aftermarket LED conversions may need extra resistors, adapters, or a different beam pattern to work properly. If you are replacing a burned-out bulb, check the base style, connector shape, and physical length before ordering, since a bulb can look similar but still be the wrong fit. When in doubt, remove the old bulb and verify the marking on the glass or base before purchase.
The 2007 Dodge Nitro uses H13 bulbs for both the high beam and low beam headlight positions listed on this page.
The rear brake light bulb is listed as 4057R for the 2007 Dodge Nitro.
The tail light bulb is listed as 4057R for the 2007 Dodge Nitro.
Both the rear turn signal light and the back up reverse light are listed as 4057 on this page.
The front turn signal light bulb and the parking light bulb are both listed as 3157A.
The front side marker light bulb is listed as 168NA for the 2007 Dodge Nitro.
The center high mount stop light bulb is listed as 921.
The license plate light bulb is listed with two options: 168 and 917.
The dome light bulb, map light bulb, and trunk or cargo area light are all listed as 578.
The courtesy light bulb is listed as 906.
The instrument panel light bulb is listed as 103.
The HVAC temperature control bulb is listed as 2721.
The ash tray light bulb is listed as 161.
Trim and lighting package differences can change the bulb setup, so checking your exact Nitro helps avoid ordering the wrong size for a specific position.
Yes, many positions can be converted to LED, but fitment, polarity, brightness, and error-free operation can vary. Some LED upgrades may need additional parts to work correctly.