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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 2009 Ford Flex bulb size guide helps you verify the correct bulb by lighting position, so you can match the right part before you buy. Because the Flex could be equipped with different lighting setups, the exact bulb can change depending on the headlight type, trim, and market.
Use this page as a quick reference for exterior and interior bulbs on the 2009 Ford Flex. It covers common fitment points such as headlights, tail lights, turn signals, brake lights, marker lights, license plate lights, dome lights, and cargo-area lighting.
Fitment can vary on the 2009 Ford Flex, especially between halogen and HID-equipped vehicles and across different trim or package combinations. Some positions use LED assemblies on HID models, while halogen models often use traditional replaceable bulbs, so always confirm the headlight type first. If you are considering aftermarket LED conversions, check beam pattern, polarity, and local regulations, since not every LED replacement will work correctly in every housing. The safest approach is to compare the bulb listed here with the bulb already installed in your vehicle before ordering.
The halogen headlight bulb size is H13 for both high beam and low beam functions on the 2009 Ford Flex.
For HID-equipped 2009 Ford Flex models, the high beam and low beam headlight bulb is D3S.
The brake light bulb for halogen-headlight models is 4157R.
On HID-headlight models, the brake light bulb is listed as LED.
The rear turn signal bulb for halogen-headlight models is 4157.
On HID-headlight models, the rear turn signal bulb is listed as LED.
The front turn signal bulb and the parking light bulb are both 3457A on the 2009 Ford Flex.
The front fog light bulb is H11 LED or H16 LED, depending on the exact setup shown for the vehicle.
The license plate light bulb is 6418.
Both the dome light and trunk or cargo area light use 578 bulbs.
The glove box light bulb is 161.
The map light bulb is listed as 2825 or 98.
The backup reverse light bulb is 921.
Yes. On halogen models, the tail light inner bulb is 168 or 917, the front side marker is 168NA, and the rear side marker is 194NA. On HID models, the listed bulbs are different and include LED lighting for several rear and marker positions.
Check whether your Flex has halogen or HID headlights, then compare the bulb position and the installed bulb number before purchasing. This is especially important because trim and lighting package differences can change fitment.