
PIAA 19618 Xtreme White Plus
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Used for: Headlight Bulb High Beam and Low Beam
Used for: Back Up Reverse Light Bulb, Parking Light Bulb, Turn Signal Light Bulb Front, Turn Signal Light Bulb Rear
Used for: Brake Light Bulb, Tail Light Bulb
Used for: License Plate Light Bulb
Used for: License Plate Light Bulb
Used for: Side Marker Light Bulb Front
Used for: Side Marker Light Bulb Rear
Used for: Stepwell Light Bulb, Courtesy Light Bulb
Used for: Automatic Transmission Indicator Light Bulb
Used for: Dome Light Bulb
Used for: Engine Compartment Light Bulb
Used for: Map Light Bulb, Trunk or Cargo Area Light
This 2012 Jeep Wrangler bulb size guide helps you verify the correct replacement bulb by lighting position, so you can match the right part before you buy. Whether you are replacing a headlight, tail light, license plate lamp, or interior bulb, checking the bulb chart by location is the easiest way to avoid fitment mistakes.
The 2012 Jeep Wrangler uses several different bulb types depending on where the light is mounted, and some lighting details can vary by trim, body style, or market. Use this page to compare each bulb location on the vehicle and confirm the correct size for your specific Wrangler before ordering replacements.
For best fitment, always compare the bulb chart with your existing installed bulb, especially if your Wrangler has a different trim, lighting package, or aftermarket setup. Halogen and LED conversions can change the bulb you need, and some owners may have replaced factory bulbs with non-original parts over time. If you are unsure, remove the bulb and check the number printed on the base before purchase. This is especially useful for exterior bulbs like the H13 headlight bulb, 3157 signal and stop bulbs, and interior bulbs such as 578, 906, or 912, since the same vehicle can use different bulb styles in different positions.
The 2012 Jeep Wrangler uses an H13 bulb for both the high beam and low beam headlight positions on this page.
The brake light bulb listed for the 2012 Jeep Wrangler is 3157R.
The tail light bulb listed for the 2012 Jeep Wrangler is 3157R.
The front turn signal light bulb listed is 3157.
The rear turn signal light bulb listed for this model is 3157.
The back up reverse light bulb listed for the 2012 Jeep Wrangler is 3157.
The license plate light bulb listing includes 194 and 7441, so either of those sizes may apply depending on the exact lamp setup.
The dome light bulb listed for the 2012 Jeep Wrangler is 912.
The map light bulb and trunk or cargo area light are both listed as 578.
The courtesy light bulb and stepwell light bulb are both listed as 906.
The engine compartment light bulb listed for this Jeep Wrangler is 561.
The center high mount stop light is listed as LED on this page, so it is not shown as a standard replaceable bulb size here.
Yes. Trim level, lighting package, body style, and market differences can affect bulb fitment, so it is important to confirm the exact bulb location on your vehicle.
Yes. Checking the installed bulb is the safest way to confirm fitment, especially if your Wrangler has been modified or already has replacement bulbs installed.