2021 Ford F-350 Bulb Size
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Bulbs Chart
2021 Ford F-350 Headlight Bulb High Beam and Low Beam (H13)
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Premium Pick
The Xtreme White Plus Series of high output replacement bulbs give drivers better color recognition, depth perception, and improved contrast over stock halogen bulbs. - Designed to provide improved visibility against rain, fog or snow - Select DOT / SAE Compliance for Street Legality
PIAA 19618 Xtreme White Plus
Halogen Lights
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Extremelu Durable
Introducing the Fahren 2023 Upgraded H13/9008 LED Headlight Bulbs, the perfect upgrade for your vehicle's headlights. With 12PCS of highly bright Top-Automotive LED chips in each bulb, the Fahren bulbs provide a total of 120W, 24000LM light output per set, giving you better visibility and ensuring safer driving day and...
Fahren 2023 Upgraded H13/9008 LED Headlight Bulbs
LED Lights
2021 Ford F-350 Center High Mount Stop Light Bulb (912)
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Premium Pick
Energy-Saving, low power consumption for longer life span. Canbus error free, with no error after installation on most vehicles. Easy to install, just plug and play. Each lamp is powered by 15 pieces of high-power 2835 SMD LED lights(3 on the top and 12 on the sides). Only used for backup reverse lights.
AUXITO 912 921 LED Bulbs
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Perfect for reverse lights
Upgrade your vehicle’s reverse lighting with Senzeal T15 LED Bulbs, delivering powerful illumination exactly where you need it. Perfect for all car models requiring T15, 912, or 921 bulbs, these LEDs are the ideal replacement for your reverse lights, providing a significant boost in brightness and safety. With just 3 watts...
Senzeal 912 LED White Bulb
LED Lights
2021 Ford F-350 License Plate Light Bulb (168)
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Premium Pick
The Xtreme White Plus Series of high output replacement bulbs give drivers better color recognition, depth perception, and improved contrast over stock halogen bulbs, all while meeting DOT specification. Xtreme White Plus bulbs feature a crisp white light output that allows for better road illumination, while a blue top coat
PIAA Xtreme White Plus High Performance
Halogen Lights
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For Car Dome, Map Door, Courtesy, License Plate Lights
No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes.
Marsauto LED Light Bulb 6000K Replacement Bulbs
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Inexpensive But Reliable
Design. The 194 HP3 LED bulb is a compact, simple LED replacement with proven performance. The single diffused optic spreads light in the original lamp, for OEM-style appearance and function. With its dual-lead contacts, it will fit snugly in the socket, and its light weight means it won't vibrate loose over...
Diode Dynamics HP3 LED Bulbs
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Extremely Bright
Product benefits: Non-polarity design, 500% brighter than original halogen bulb, aircraft grade aluminum heat sink with Low temperature for Longer life span & Low Power Consumption (Up to 50,000 Hours Service Life).
iBrightstar T10 168 LED Bulbs
LED Lights
2021 Ford F-350 Side Marker Light Bulb Front (2825)
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Premium Pick
SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively.
Sylvania White Mini Bulb
Halogen Lights
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For Car Dome, Map Door, Courtesy, License Plate Lights
– Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes. Products with electrical plugs
Marsauto LED Light Bulb 6000K Replacement Bulbs
LED Lights
2021 Ford F-350 Trunk or Cargo Area Light (912)
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Premium Pick
Energy-Saving, low power consumption for longer life span. Canbus error free, with no error after installation on most vehicles. Easy to install, just plug and play. Each lamp is powered by 15 pieces of high-power 2835 SMD LED lights(3 on the top and 12 on the sides). Only used for backup reverse lights.
AUXITO 912 921 LED Bulbs
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Perfect for reverse lights
Upgrade your vehicle’s reverse lighting with Senzeal T15 LED Bulbs, delivering powerful illumination exactly where you need it. Perfect for all car models requiring T15, 912, or 921 bulbs, these LEDs are the ideal replacement for your reverse lights, providing a significant boost in brightness and safety. With just 3 watts...
Senzeal 912 LED White Bulb
LED Lights
2021 Ford F-350 Headlights
2021 Ford F-350 Tail Lights
Ford F-350 Bulb Size By Years
Goal: This chart helps you match the correct bulb sizes for a 2021 Ford F-350, solving fit and brightness confusion when replacing lights. I recommend confirming the vehicle trim and existing bulb type first; the chart lists common fits and notes trade-offs like brightness versus lifespan.
Prerequisites and step by step: have your owner’s manual or remove one bulb to verify the code. Use the chart to pick the recommended size, then order or buy locally. Validation comes from test-fitting and checking beam pattern and polarity. If a fit feels loose or the beam is off, recheck the assumption about trim level and connector type.
Troubleshooting and wrap up: if you buy through links on this page I may earn a small commission at no extra cost to you. That affiliate relationship does not change the recommended sizes; it supports maintaining the chart.
2021 Ford F-350 specs
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Exterior
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