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Toyota Sienna 2008 Bulb Size
Bulb size chart
Headlight Bulb High Beam - 9005
Headlight Bulb Low Beam - D2R
Back Up Reverse Light Bulb - 921
Brake Light Bulb - 7443R
Center High Mount Stop Light Bulb - LED
Daytime Running Light Bulb - 9005
License Plate Light Bulb - 168, 917
Parking Light Bulb - 3457A
Side Marker Light Bulb Front - 168NA
Side Marker Light Bulb Rear - 7443A
Tail Light Bulb Inner - 194, 7441
Tail Light Bulb Outer - 7443R
Turn Signal Light Bulb Front - 3457A
Turn Signal Light Bulb Rear - 7440
Interior Door Light Bulb - 194, 7441
Map Light Bulb - 168, 917
Trunk or Cargo Area Light - DE3022
9005 Bulbs
Used for: Headlight Bulb High Beam, Daytime Running Light Bulb
D2R Bulbs
Used for: Headlight Bulb Low Beam
921 Bulbs
Used for: Back Up Reverse Light Bulb
7443R Bulbs
Used for: Brake Light Bulb, Tail Light Bulb Outer
168 Bulbs
Used for: License Plate Light Bulb, Map Light Bulb
917 Bulbs
Used for: License Plate Light Bulb, Map Light Bulb
3457A Bulbs
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
168NA Bulbs
Used for: Side Marker Light Bulb Front
7443A Bulbs
Used for: Side Marker Light Bulb Rear
194 Bulbs
Used for: Tail Light Bulb Inner, Interior Door Light Bulb
7441 Bulbs
Used for: Tail Light Bulb Inner, Interior Door Light Bulb
7440 Bulbs
Used for: Turn Signal Light Bulb Rear
DE3022 Bulbs
Used for: Trunk or Cargo Area Light
This page helps you verify the bulb sizes for the 2008 Toyota Sienna by lighting position, so you can match the right bulb to the right socket before you buy. Whether you are replacing a headlight, a reverse light, or a small interior bulb, checking the exact location on the vehicle is the easiest way to avoid fitment mistakes.
The 2008 Toyota Sienna uses a mix of standard halogen bulbs and a few specialty bulbs, and some positions may differ by trim, body style, or lighting package. Use the bulb chart on this page as a practical reference for common exterior and interior lights on this model year.
Fitment can vary between trims and markets, so it is smart to confirm the installed bulb before ordering, especially if your Sienna has an optional lighting package or an aftermarket repair history. Some positions use halogen bulbs, while others may have been converted to LED by a previous owner, and those conversions can change how the light fits or functions. If you are replacing a bulb with an LED upgrade, make sure the base type and physical size match the original socket, and check for polarity or warning issues on the vehicle. When in doubt, remove the old bulb and compare it directly before purchase.
FAQ
What is the low beam headlight bulb size for a 2008 Toyota Sienna?
The listed low beam headlight bulb size for the 2008 Toyota Sienna is D2R. This is a specialty headlight bulb, so it is important to match the base and type exactly.
What bulb does the high beam headlight use on this Sienna?
The high beam headlight bulb size is 9005. This same bulb size is also listed for the daytime running light on this model year.
What is the daytime running light bulb size on a 2008 Toyota Sienna?
The daytime running light bulb size is 9005. If your Sienna uses the same bulb for both high beam and DRL functions, confirm the socket and wiring before replacing it.
What bulb fits the reverse light?
The back up reverse light bulb size is 921. This is a common small bulb used in many Toyota applications.
What are the brake and outer tail light bulb sizes?
Both the brake light bulb and the tail light bulb outer are listed as 7443R. That makes it easier to replace the rear combination lamp bulbs on this year Sienna.
What bulb is used for the rear turn signal?
The rear turn signal light bulb size is 7440. Be sure not to confuse it with the rear side marker bulb, which uses a different size.
What bulb fits the rear side marker light?
The rear side marker light bulb size is 7443A. This is separate from the rear turn signal bulb and should be matched carefully.
What bulb is used for the front turn signal and parking light?
The front turn signal light bulb and the parking light bulb are both listed as 3457A. On some vehicles, these functions are shared in the front lamp assembly.
What are the license plate light bulb sizes?
The license plate light bulb sizes are 168 and 917. Either size may appear depending on the exact lamp setup, so checking the installed bulb is a good idea.
What bulb does the map light use?
The map light bulb sizes are 168 and 917. These are small interior bulbs commonly used in overhead console applications.
What bulb fits the interior door light?
The interior door light bulb sizes are 194 and 7441. If your door lamp has been changed before, compare the old bulb to the socket before buying a replacement.
What is the center high mount stop light bulb type?
The center high mount stop light bulb is listed as LED. Because this is a different type than a standard replaceable halogen bulb, it is important to verify the lamp design before attempting service.
Are all 2008 Toyota Sienna trims guaranteed to use the same bulbs?
No. Trim level, lighting package, market, and body style can affect bulb fitment on the 2008 Toyota Sienna. Always confirm the exact position on your vehicle.
Should I choose halogen or LED replacements for this vehicle?
The original fitment for many positions on the 2008 Toyota Sienna is halogen, but LED replacements are available for some sockets. If you upgrade to LED, make sure the bulb fits physically and works correctly with the vehicle's lighting system.