For owners of 201 7 to 201 9 Ford F-350 , choosing the right lighting accessories is an important part of vehicle maintenance. Due to the differences in specifications of lamps in different locations, if the wrong size or interface is installed, it will not only cause installation failure, but also may cause safety hazards such as lighting offset and circuit abnormality. This guide will provide model information for various bulbs for the 2 01 7 , 201 8, and 201 9 Ford F-350, including headlights, brake lights, fog lights, turn signals, etc., to help us find replacement bulbs quickly and easily. 201 7 - 201 8 Ford F-350 Headlight & Fog Light Bulb Sizes Light Type Bulb Size Low Beam Headlight Bulb H13/9008 High Beam Headlight Bulb H13/9008 Fog Light 9145/9140/H10 Note: The size of the high and low beam headlights on the 2017 and 2018 Ford F-350 is generally H13. 2019 Ford F-350 Headlight & Fog Light Bulb Sizes Light Type Bulb Size Low Beam Headlight Bulb(LH Asymmetry) H7 High Beam Headlight Bulb(LH Asymmetry) 9005/HB3 Fog Light 9145/9140/H10 N ote ： The high beam bulb size for the 2019 Ford F-350 is 9005, and the low beam size is typically H7. 2017-2019 Ford F-350 Turn Signal & Brake Light Bulb Sizes Light Type Bulb Size Turn Signal Light (Front) 7443/7440 Turn Signal Light (Rear) 3157/3156 Brake Light (Rear) 3157/3156 Brake Light (High-Mounted) 912/921 Back-Up Light 7443/7440 Parking Light 7443/7440 2017-2019 Ford F-350 Other Bulb Sizes Light Type Bulb Size Side Marker Light (Front) 194/168 Side Marker Light (Rear) 3157/3156 Luggage Compartment Light 912/921 Trunk/Cargo Light 912/921 Tail Light 3157/3156 License Plate Light 194/168 Upgrade Your Ford F-350 Light Bulbs Upgrading the 2017-2019 Ford F-350 original halogen bulbs to LED bulbs is the choice of many car owners, and it is obviously a very wise decision. LED light bulbs for the Ford F-350 are brighter, several times brighter than ordinary halogen bulbs, which means that we can drive the car more safely at night. Secondly, LED bulbs have a longer lifespan, up to tens of thousands of hours, 100 times that of ordinary halogen lamps, which means that we can use them continuously without changing bulbs. If you are considering upgrading your 2017-2019 Ford F-350 bulbs, welcome to visit RIMTHIN . We specialize in 2017-2019 Ford F- 350 LED bulbs and will provide you with the best solution. Can not find the bulb you need? Use our bulb finder tool—it'll help you find it fast. FAQ What are the 2017-2019 Ford F-350 headlight bulb sizes? The 2017 and 2018 Ford F-350 headlamp bulbs are H13. The 2019 Ford F-350's high beam bulb size is 9005, and the low beam size is H7, depending on the year of your vehicle and the existing lamps. What are the 2017-2019 Ford F-350 license plate light bulb sizes? The sizes of the 2017-2019 Ford F-350 license plate bulbs are typically T10, 194, and 168. What are the 2017-2019 Ford F350 tail light bulb sizes? The sizes of 2017-2019 Ford F350 tail light bulbs are generally 3157. Can I find the information about the 2017-2019 Ford F-350 bulb sizes in this guide? This guide just applies to 2017-2019 Ford F-350s. Can I replace my Ford F-350 original headlights with LEDs? Most Ford F350 models can be upgraded to LED headlights. Just make sure the bulb type matches your vehicle. Can I change the 201 7 Ford F-350 headlight bulbs for myself? The 2017-2019 Ford F-350 headlight bulb replacement process is relatively simple, and we can usually complete it.   Please note: This guide applies to 2017-2019 Ford F-350 models using the original factory light assembly. Since Ford F- 350 light bulb sizes vary by model and configuration, it is recommended that you refer to your vehicle owner's manual or remove the existing bulb to check its number to ensure the correct match. If you find any errors or omissions in this guide, please provide feedback in a timely manner. Thank you for your support!