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Subaru Forester 2018 Bulb Size
Bulb size chart
Fog Light Bulb Front(with eyesight package (steering responsive fog)) - H11 LED, H16 LED
Headlight Bulb High Beam - 9005
Headlight Bulb High Beam and Low Beam - LED
Headlight Bulb Low Beam - H11
Back Up Reverse Light Bulb - 921
Brake Light Bulb - LED
Center High Mount Stop Light Bulb - LED
Daytime Running Light Bulb(with halogen headlights) - 9005
Daytime Running Light Bulb(with LED headlights) - LED
License Plate Light Bulb - 2825, 98
Parking Light Bulb(with halogen headlights) - 2825, 98
Parking Light Bulb(with LED headlights) - LED
Side Marker Light Bulb Front - 2825, 98
Side Marker Light Bulb Rear - 2825, 98
Tail Light Bulb - 2825, 98
Turn Signal Light Bulb Front - 7444NA
Turn Signal Light Bulb Rear - 7440A
Dome Light Bulb - DE3175
Interior Door Light Bulb - 2825, 98
Map Light Bulb - DE3175
Trunk or Cargo Area Light - 2825, 98
H11 LED Bulbs
Used for: Fog Light Bulb Front(with eyesight package (steering responsive fog))
H16 LED Bulbs
Used for: Fog Light Bulb Front(with eyesight package (steering responsive fog))
9005 Bulbs
Used for: Headlight Bulb High Beam, Daytime Running Light Bulb(with halogen headlights)
H11 Bulbs
Used for: Headlight Bulb Low Beam
921 Bulbs
Used for: Back Up Reverse Light Bulb
2825 Bulbs
Used for: License Plate Light Bulb, Parking Light Bulb(with halogen headlights), Side Marker Light Bulb Front, Side Marker Light Bulb Rear, Tail Light Bulb, Interior Door Light Bulb, Trunk or Cargo Area Light
98 Bulbs
Used for: License Plate Light Bulb, Parking Light Bulb(with halogen headlights), Side Marker Light Bulb Front, Side Marker Light Bulb Rear, Tail Light Bulb, Interior Door Light Bulb, Trunk or Cargo Area Light
7444NA Bulbs
Used for: Turn Signal Light Bulb Front
7440A Bulbs
Used for: Turn Signal Light Bulb Rear
DE3175 Bulbs
Used for: Dome Light Bulb, Map Light Bulb
This 2018 Subaru Forester bulb size guide is designed to help you verify the correct bulb by lighting position, so you can match the right part before ordering or replacing anything. Because Subaru used different lighting setups across trims and packages, it is especially useful to check the exact lamp location on your Forester rather than assuming one bulb fits every version.
On this page, you can quickly look up common exterior and interior bulbs for the 2018 Subaru Forester, including headlights, turn signals, reverse lights, license plate lights, dome and map lights, and cargo-area lighting. It also helps separate halogen and LED-equipped models, which is important because the bulb type can change depending on the headlight package and market.
Fitment can vary by trim, lighting package, and body style, so always confirm whether your Forester has halogen headlights or factory LED headlights before buying parts. Some positions use different bulbs on LED-equipped models versus halogen models, and aftermarket LED conversions may not match the original beam pattern or socket fit. If possible, remove the installed bulb and compare it to the listing before purchase, especially for headlight, fog light, and exterior signal bulbs where package differences are most common.
FAQ
What bulb size is the low beam headlight on a 2018 Subaru Forester?
The low beam headlight bulb is H11 on the 2018 Subaru Forester with halogen headlights. LED headlight setups use a different integrated LED arrangement instead of a simple replaceable halogen low beam bulb.
What bulb size is the high beam headlight on a 2018 Subaru Forester?
For halogen headlight models, the high beam bulb is 9005. On LED headlight versions, the high beam is part of the LED headlight assembly rather than a standard halogen bulb.
What is the daytime running light bulb size?
The daytime running light bulb is 9005 on Forester models with halogen headlights. On models with LED headlights, the daytime running light uses an LED setup instead of the halogen bulb listed for non-LED versions.
What bulb does the front turn signal use?
The front turn signal light bulb is 7444NA on the 2018 Subaru Forester.
What bulb does the rear turn signal use?
The rear turn signal light bulb is 7440A on the 2018 Subaru Forester.
What is the reverse light bulb size?
The back up reverse light bulb is 921.
What bulb size is used for the dome light and map light?
Both the dome light and map light use DE3175 bulbs.
What bulb size is used for license plate lights?
The license plate light bulb is 2825 or 98, depending on the exact bulb listing used for your Forester.
What bulb size is used for the tail lights and cargo area light?
The tail light bulb, trunk or cargo area light, interior door light, and both front and rear side marker lights all use 2825 or 98 bulbs on this model.
What bulb size is used for the parking lights?
Parking light bulb size depends on the headlight package. With halogen headlights, the parking light bulb is 2825 or 98. With LED headlights, the parking light uses an LED setup.
What bulb size is used for the fog lights on Forester models with EyeSight?
For Forester models with the EyeSight package and steering responsive fog lights, the front fog light bulb may be H11 LED or H16 LED, depending on the exact setup.
Do all 2018 Subaru Forester trims use the same bulbs?
No. Trim level, lighting package, and market can change the bulb type, especially for headlights, parking lights, daytime running lights, and fog lights. Always verify the exact lamp position on your vehicle.
Should I check the old bulb before ordering a replacement?
Yes. Checking the installed bulb is the safest way to confirm fitment, especially if your Forester has been converted to aftermarket LEDs or if the vehicle has a different factory lighting package.