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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 2010 Ford Flex bulb size guide helps you verify the correct bulb by lighting position before you buy replacements. Because the Flex could be equipped with different lighting setups, the right fit depends on whether your vehicle has halogen headlights or HID headlights, along with the trim, package, and market.
Use this page to match each exterior and interior lamp location to the proper bulb type, from headlights and tail lights to map lights, license plate lights, and cargo area lighting. Checking the bulb by position is the easiest way to avoid ordering the wrong part and to make replacement faster.
Fitment can vary on the 2010 Ford Flex, so always confirm the lighting package on your specific vehicle before purchasing. Halogen and HID models use different bulb types in several positions, and some owners choose LED replacements or aftermarket conversion kits for brighter output or longer life. If you are upgrading from halogen to LED, make sure the new bulb is compatible with the housing and the electrical system, since some applications may need additional components to prevent flicker or warning issues. The safest approach is to compare the bulb in the vehicle with the chart, then inspect the installed bulb before you order.
The 2010 Ford Flex with halogen headlights uses H13 bulbs for both the high beam and low beam positions.
Models equipped with HID headlights use D3S bulbs for the high beam and low beam positions.
For 2010 Ford Flex models with halogen headlights, the brake light bulb is 4157R, and the outer tail light bulb also uses 4157R.
For 2010 Ford Flex models with HID headlights, the brake light bulb is listed as LED.
The rear turn signal bulb for the halogen headlight setup is 4157.
The rear turn signal bulb for the HID headlight setup is listed as LED.
The front turn signal bulb and the parking light bulb are both 3457A on the 2010 Ford Flex.
The back up reverse light bulb is 921.
The license plate light bulb is 6418.
Both the dome light bulb and the trunk or cargo area light bulb are 578.
The glove box light bulb is 161.
The front fog light bulb is listed as H11 LED or H16 LED, depending on the specific setup.
For halogen headlight models, the front side marker light bulb is 168NA.
For halogen headlight models, the rear side marker light bulb is 194NA.
For HID headlight models, the front side marker light bulb is LED.
For HID headlight models, the rear side marker light bulb is LED.
For halogen headlight models, the inner tail light bulb is 168 or 917.
For HID headlight models, the inner tail light bulb is LED.
No. Trim, lighting package, body style, and market can change the bulb fitment, so it is important to confirm the exact setup on your vehicle.
Yes. Checking the installed bulb is the best way to confirm fitment, especially if your Flex has been modified, converted to LED, or equipped with a different lighting package.