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Used for: Fog Light Bulb Front
Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam and Low Beam(with halogen headlights)
Used for: Headlight Bulb High Beam and Low Beam(with HID headlights)
Used for: Back Up Reverse Light Bulb
Used for: Brake Light Bulb(with halogen headlights), Tail Light Bulb Outer
Used for: License Plate Light Bulb
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
Used for: Side Marker Light Bulb Front(with halogen headlights)
Used for: Side Marker Light Bulb Rear(with halogen headlights)
Used for: Tail Light Bulb Inner(with halogen headlights)
Used for: Tail Light Bulb Inner(with halogen headlights)
Used for: Turn Signal Light Bulb Rear(with halogen headlights)
Used for: Dome Light Bulb, Trunk or Cargo Area Light
Used for: Glove Box Light Bulb
Used for: Map Light Bulb
Used for: Map Light Bulb
This 2015 Ford Flex bulb size guide helps you verify the correct bulb by lighting position, so you can match the right replacement before you buy. Because the Flex could be equipped with different lighting setups, the correct bulb may depend on the headlight type, trim, and market.
Use this page to check the bulb size for each exterior and interior light on the 2015 Ford Flex, including headlights, brake lights, turn signals, side markers, reverse lights, license plate lights, and cabin bulbs. Matching the bulb to the exact location is the best way to avoid fitment mistakes.
Fitment can vary on the 2015 Ford Flex, especially between halogen and HID-equipped models, and lighting packages can also change the bulb list. If your Flex has been modified with aftermarket LED bulbs or conversion kits, the installed part may not match the original factory size shown here. The safest approach is to confirm the bulb already in the vehicle before ordering, and compare the base type, connector, and physical shape as well as the listed size. When replacing bulbs, make sure the new bulb is compatible with the housing and lens, and be careful with LED upgrades since some positions may need the correct polarity or additional hardware to work properly.
Models with halogen headlights use an H13 bulb for both the high beam and low beam positions.
Flex models with HID headlights use a D3S bulb for the headlight high beam and low beam setup.
The brake light bulb for halogen-headlight models is 4157R.
The brake light bulb for HID-headlight models is LED, according to the bulb chart for this page.
The rear turn signal bulb for halogen-headlight models is 4157.
The rear turn signal bulb for HID-headlight models is LED, based on the chart for this vehicle.
The front turn signal bulb and the parking light bulb are both listed as 3457A.
The front fog light bulb is listed as H11 LED or H16 LED, depending on the exact setup.
The back up reverse light bulb is 921.
The license plate light bulb is 6418.
The dome light bulb is 578, and the map light bulb is listed as 2825 or 98.
The trunk or cargo area light uses 578, and the glove box light uses 161.
Yes. Halogen-headlight models use 4157R for the outer tail light and 168 or 917 for the inner tail light, while HID-headlight models use LED for the inner tail light.
No. The front side marker is 168NA on halogen models and LED on HID models. The rear side marker is 194NA on halogen models and LED on HID models.
Yes. Checking the installed bulb is the best way to confirm fitment, especially if your Flex has a different trim, lighting package, or an aftermarket LED conversion.