If you’re looking for the Ford F-250 F-350 bulb size guide, this post covers everything you need from 2020, 2021, to 2022 Ford F-250 F-350 models. Whether you need to replace your factory halogen bulbs or upgrade to brighter LEDs, we’ve listed the exact bulb sizes to help you quickly find the right fit for your headlights, fog lights, turn signals, brake lights, and more.
This guide applies to multiple Ford F-250 F-350 trims, including XL, XLT, STX, Lariat and King Ranch.
Since aftermarket LED bulbs can only replace OEM halogen bulbs, we do not list compatible LED options for the 2020–2022 Ford F-250 F-350 models that already come equipped with factory LED headlights.
When searching through Lasfit’s “Select Your Vehicle” tool, you’ll notice that for 2020–2022 Ford F-250 F-350, bulb sizes differ depending on the trim level. You can select your specific trim to find the compatible headlight bulbs, fog lights, turn signal lights, and more for your Ford F-250 F-350.
For your convenience, we’ve organized all the information into five lighting categories, each with easy-to-read bulb size charts. Click any category below to jump straight to the chart you need.
2020-2022 Ford F-250 F-350 Headlight Bulb Size (Low Beam & High Beam)
Position |
Type |
Bulb Size |
Lasfit LED Upgrade |
Fitment Details |
Headlight Bulb (Low Beam) |
Halogen |
H13 |
Available |
For Ford F-250 F-350 XL, XLT, STX, Lariat and King Ranch. |
Headlight Bulb (Low Beam) |
LED |
/ |
NOT Available |
For Ford F-250 F-350 Platinum, Limited. |
Headlight Bulb (High Beam) |
Halogen |
H13 |
Available |
For Ford F-250 F-350 XL, XLT, STX, Lariat and King Ranch. |
Headlight Bulb (High Beam) |
LED |
/ |
NOT Available |
For Ford F-250 F-350 Platinum, Limited. |
- Although the H13 is a dual-beam bulb, for the 2020–2022 Ford F-250 and F-350, if you’re replacing both the low and high beam headlight bulbs, you will need two pairs (four pieces) of H13 LED bulbs.
- Lasfit LS Plus H13 LED headlight bulbs are available for the 2020–2022 Ford F-250 and F-350, delivering 65W power, 6500LM ultra brightness, excellent heat dissipation,and a plug-and-play installation experience.
2020-2022 Ford F-250 F-350 Fog Light Bulb Size
Position |
Type |
Bulb Size |
Lasfit LED Upgrade |
Fitment Details |
Fog Lights |
Halogen |
H10 |
Available |
For Ford F-250 F-350 XLT, Lariat and King Ranch. |
Fog Lights |
LED |
/ |
NOT Available |
For Ford F-250 F-350 Platinum, Limited. |
-
Lasfit LED fog light bulb replacements are available only for Ford F-250 F-350 models that come with factory halogen fog lights.
- For Ford F-250 F-350 owners, off-road performance is everything — and lighting design plays a key role.
Lasfit offers the LD Plus H10 Switchback Fog Lights, a dual-color LED bulb that delivers
3000K amber yellow for foggy or dusty trails and 6000K bright white for clear night driving.
These switchback fog lights not only improve visibility but also give your Grand Cherokee a stylish and rugged off-road look.
2020-2022 Ford F-250 F-350 Turn Signal Bulb Size
Position |
Type |
Bulb Size |
Lasfit LED Upgrade |
Fitment Details |
Turn Signal (Front&Parking Light) |
Halogen |
4257 |
Available |
For Ford F-250 F-350 XL, XLT, STX, Lariat and King Ranch. |
Turn Signal (Front&Parking Light) |
LED |
/ |
NOT Available |
For Ford F-250 F-350 Platinum, Limited. |
Turn Signal (Rear)** |
Halogen |
4257 |
Available |
For Ford F-250 F-350 XL, XLT, STX, Lariat and King Ranch. |
Turn Signal (Rear)** |
LED |
/ |
NOT Available |
For Ford F-250 F-350 Platinum, Limited. |
-
For the Ford F-250 F-350 front turn signal lights, they share the same bulb with the front parking lights. The bulb size is 4257, so you only need one pair (2 PCS) of 4257 bulbs to replace the front turn signal lights and front parking lights together.
-
For Ford F-250 F-350 models with halogen turn signal lights, Lasfit offers our most powerful T3 Series turn signals. These bulbs feature a built-in CANBUS decoder and a more compact size for easier installation.
-
For the 2020–2022 Ford F-250 and F-350 front turn signals, you can choose switchback LED bulbs, which means you’ll get amber front turn signal lights and white front parking lights.
Alternatively, you can go with full amber LED bulbs, so both your front turn signal lights and front parking lights will be amber.
2020-2022 Ford F-250 F-350 All Other Light Bulb Size
Position |
Type |
Bulb Size |
Lasfit LED Upgrade |
Fitment Details |
Reverse Light |
Halogen |
WT21W |
Available |
For Ford F-250 F-350 XL, XLT, STX, Lariat and King Ranch. |
Cargo Light |
Halogen |
921 |
Available |
For Ford F-250 F-350 XL, XLT, STX. |
3rd Brake Light |
Halogen |
921 |
Available |
For Ford F-250 F-350 XL, XLT, STX. |
Front Side Marker Light |
Halogen |
168/194 |
Available |
For Ford F-250 F-350 XL, XLT, STX, Lariat and King Ranch. |
License Plate Light |
Halogen |
168/194 |
Available |
For Ford F-250 F-350 XL, XLT, STX, Lariat and King Ranch. |
2020-2022 Ford F-250 F-350 XL and STX Bulb Size
Position |
Type |
Bulb Size |
Headlight Bulb (Low Beam) |
Halogen |
H13 |
Headlight Bulb (High Beam) |
Halogen |
H13 |
Turn Signal (Front&Parking Light) |
Halogen |
4257 |
Turn Signal (Rear) |
Halogen |
4257 |
Brake & Tail Lights |
Halogen |
3157 |
Reverse Light |
Halogen |
WT21W |
Cargo Light |
Halogen |
921 |
3rd Brake Light |
Halogen |
921 |
Front Side Marker Light |
Halogen |
168/194 |
License Plate Light |
Halogen |
168/194 |
2020-2022 Ford F-250 F-350 XLT Bulb Size
Position |
Type |
Bulb Size |
Headlight Bulb (Low Beam) |
Halogen |
H13 |
Headlight Bulb (High Beam) |
Halogen |
H13 |
Fog Light |
Halogen |
H10 |
Turn Signal (Front&Parking Light) |
Halogen |
4257 |
Turn Signal (Rear) |
Halogen |
4257 |
Brake & Tail Lights |
Halogen |
3157 |
Reverse Light |
Halogen |
WT21W |
Cargo Light |
Halogen |
921 |
3rd Brake Light |
Halogen |
921 |
Front Side Marker Light |
Halogen |
168/194 |
License Plate Light |
Halogen |
168/194 |
2020-2022 Ford F-250 F-350 Lariat and King Ranch Bulb Size
Position |
Type |
Bulb Size |
Headlight Bulb (Low Beam) |
Halogen |
H13 |
Headlight Bulb (High Beam) |
Halogen |
H13 |
Fog Light |
Halogen |
H10 |
Turn Signal (Rear) |
Halogen |
4257 |
Brake & Tail Lights |
Halogen |
3157 |
Reverse Light |
Halogen |
WT21W |
Cargo Light |
LED |
/ |
3rd Brake Light |
LED |
/ |
Front Side Marker Light |
Halogen |
168/194 |
License Plate Light |
Halogen |
168/194 |
2020-2022 Ford F-250 F-350 Platinum and Limited Bulb Size
Position |
Type |
Bulb Size |
Headlight Bulb (Low Beam) |
LED |
/ |
Headlight Bulb (High Beam) |
LED |
/ |
Fog Light |
LED |
/ |
Turn Signal (Rear) |
LED |
/ |
Brake & Tail Lights |
LED |
/ |
Reverse Light |
LED |
/ |
Front Side Marker Light |
LED |
/ |
License Plate Light |
LED |
/ |
Upgrade Your 2020-2022 Ford F-250 F-350 with Lasfit All Combo Pack LED Bulbs
Not sure about the correct bulb size for your 2020-2022 Ford F-250 F-350, or overwhelmed by too many LED bulb options?
Don’t worry — Lasfit has you covered. We provide complete LED bulb combo packages designed specifically
for Ford F-250 F-350 models from 2020 to 2022. Here, you’ll find the brightest and most reliable LED headlight bulbs,
built-in decoder turn signal bulbs to eliminate error codes, and our unique
Switchback fog lights that deliver both 6000K white and 3000K amber lighting.
Lasfit gives you the best selection and the most trusted upgrade for your Ford F-250 F-350 lighting needs.