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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 2011 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 headlight types and lighting packages, the bulb used for one position may change depending on trim, market, or body style.
Use this page to check common exterior and interior bulb fitments for the 2011 Ford Flex, including headlights, tail lights, turn signals, brake lights, reverse lights, dome lights, map lights, and more. Matching the bulb to the exact lamp location is the easiest way to avoid ordering the wrong part.
Fitment on the 2011 Ford Flex can vary between halogen and HID setups, and some rear and side marker bulbs differ by trim or lighting package. If your Flex has halogen headlights, the bulb list is not the same as a model with HID headlights, so confirm the lamp type before replacing anything. LED conversions and aftermarket bulbs can also change compatibility, beam pattern, or warning behavior, especially on exterior lights. For the best results, check the bulb already installed in your vehicle, compare it with the chart, and verify the socket style and base before purchasing replacements.
The 2011 Ford Flex with halogen headlights uses an H13 bulb for both the high beam and low beam functions.
The 2011 Ford Flex with HID headlights uses a D3S bulb for the high beam and low beam setup.
The front turn signal bulb is 3457A.
The parking light bulb is 3457A.
For halogen-equipped models, the brake light bulb is 4157R.
For HID-equipped models, the brake light bulb is LED according to the bulb chart for this page.
The back up reverse light bulb is 921.
The license plate light bulb is 6418.
Both the dome light and trunk or cargo area light use a 578 bulb.
The glove box light bulb is 161.
The map light bulb options are 2825 and 98.
The front fog light bulb options are H11 LED and H16 LED.
Yes. The rear tail light and related rear lamp bulbs can differ between halogen and HID-equipped versions, so you should match the bulb to your specific lighting package.
Because trim and lighting package differences can affect bulb fitment, checking the installed bulb helps confirm the correct base, size, and type before you buy a replacement.