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Lexus IS 250 2014 Bulb Size
Bulb size chart
Fog Light Bulb Front(with halogen headlights) - H16 LED
Fog Light Bulb Front(with HID headlights) - H11 LED
Headlight Bulb High Beam - 9005
Headlight Bulb High Beam and Low Beam - D4S
Headlight Bulb Low Beam - H11
Back Up Reverse Light Bulb - 921
Daytime Running Light Bulb - 9005
Parking Light Bulb - 7444NA
Stepwell Light Bulb - 194
Turn Signal Light Bulb Front - 7444NA
Turn Signal Light Bulb Rear - 7440A
Interior Door Light Bulb - 168
Map Light Bulb - 168
Trunk or Cargo Area Light(Compare to original - Option 1) - 168
Trunk or Cargo Area Light(Compare to original - Option 2) - DE3022
H16 LED Bulbs
Used for: Fog Light Bulb Front(with halogen headlights)
H11 LED Bulbs
Used for: Fog Light Bulb Front(with HID headlights)
9005 Bulbs
Used for: Headlight Bulb High Beam, Daytime Running Light Bulb
D4S Bulbs
Used for: Headlight Bulb High Beam and Low Beam
H11 Bulbs
Used for: Headlight Bulb Low Beam
921 Bulbs
Used for: Back Up Reverse Light Bulb
7444NA Bulbs
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
194 Bulbs
Used for: Stepwell Light Bulb
7440A Bulbs
Used for: Turn Signal Light Bulb Rear
168 Bulbs
Used for: Interior Door Light Bulb, Map Light Bulb, Trunk or Cargo Area Light(Compare to original - Option 1)
DE3022 Bulbs
Used for: Trunk or Cargo Area Light(Compare to original - Option 2)
If you are looking up bulb sizes for a 2014 Lexus IS 250, this page helps you match the correct bulb by lighting position instead of guessing from the model name alone. The IS 250 can use different bulbs depending on the trim, lighting package, market, and body style, so checking each location is the safest way to buy the right replacement.
Use the chart on this page to verify common exterior and interior bulb fitments for the 2014 Lexus IS 250, including headlights, fog lights, turn signals, reverse lights, map lights, and cargo-area lighting. That makes it easier to compare your vehicle’s installed bulbs before ordering parts and helps avoid returns or mismatched sockets.
For best fitment, always confirm whether your 2014 Lexus IS 250 has halogen headlights, HID headlights, or a factory lighting package before buying. The fog light and headlight bulb types can differ between trims, and aftermarket LED conversions may change the bulb you need compared with the original factory setup. If your car has already been modified, the safest approach is to remove the installed bulb and compare the base, connector, and markings before purchase. This is especially important for positions that may have more than one listed option, such as trunk or cargo area lighting, because the original bulb style can vary by configuration.
FAQ
What are the low beam bulb sizes for a 2014 Lexus IS 250?
The low beam bulb size listed for the 2014 Lexus IS 250 is H11 for vehicles with the standard halogen-style setup. Some cars may instead use D4S if they are equipped with factory HID headlights, so check your headlight type before ordering.
What high beam bulb does the 2014 Lexus IS 250 use?
The high beam bulb size listed is 9005. On some versions, the headlight system may be a combined HID setup with D4S, so verify the lamp assembly on your car before buying replacement bulbs.
What bulb is used for the daytime running light on this model?
The daytime running light bulb listed for the 2014 Lexus IS 250 is 9005. Because trim and lighting package differences can affect fitment, it is a good idea to confirm the installed bulb before replacing it.
What is the reverse light bulb size for the 2014 Lexus IS 250?
The back up reverse light bulb size listed is 921. This is a common fitment, but it is still smart to compare the old bulb to the replacement, especially if the vehicle has been modified.
What bulbs are used for the front turn signals and parking lights?
Both the front turn signal light and the front parking light are listed as 7444NA. That means the same bulb type is shown for both positions on this page.
What bulb does the rear turn signal use?
The rear turn signal light bulb listed for the 2014 Lexus IS 250 is 7440A. Make sure to match the bulb base and connector style if you are replacing it yourself.
What is the fog light bulb size on halogen headlight models?
For 2014 Lexus IS 250 models with halogen headlights, the front fog light bulb is listed as H16 LED. If your vehicle has been converted or altered, check the installed bulb before purchasing.
What is the fog light bulb size on HID headlight models?
For 2014 Lexus IS 250 models with HID headlights, the front fog light bulb is listed as H11 LED. This can differ from halogen-equipped cars, so headlight package matters.
What interior bulbs are listed for the map light and door light?
The map light bulb and the interior door light bulb are both listed as 168. These interior positions are usually straightforward, but you should still compare the old bulb if the car has been previously serviced.
What bulb is used for the stepwell light?
The stepwell light bulb listed for the 2014 Lexus IS 250 is 194. This is a common interior bulb size and is often easy to replace once the lens is removed.
What are the trunk or cargo area bulb options?
Two trunk or cargo area bulb options are listed on this page: 168 for one original comparison option and DE3022 for another. Because cargo lighting can vary by trim or production setup, check the bulb currently installed in your car.
Why might my 2014 Lexus IS 250 need a different bulb than another IS 250?
Trim level, market, body style, and lighting package can all affect bulb fitment. A car with halogen headlights may use different bulbs than one with HID headlights, and aftermarket LED changes can also alter what fits correctly.
Should I check the bulb before buying a replacement?
Yes. The best practice is to remove the installed bulb and compare it to the chart before ordering. That is especially helpful for the 2014 Lexus IS 250 because some positions have more than one possible bulb type depending on equipment.