What Size Bulbs Does a 2013 Toyota 4Runner Fog Use?
Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.
Installation Difficulty
Easy (Plug and Play)
Est. Replacement Cost
$15 - $40 (Halogen) / $30+ (LED)
What Lighting System Does the 2013 Toyota 4Runner Fog Have?
The 2013 Toyota 4Runner Fog features a standard lighting system with 1 bulb positions. It uses halogen technology with low beams and high beams in a dual-bulb configuration. The 4Runner Fog has been available from 2012 to 2019, and the 2013 model falls in the early-generation years.
Can You Put LED Bulbs in a 2013 Toyota 4Runner Fog?
To upgrade the 2013 Toyota 4Runner Fog headlights to LED, you will need a LED kit for the low beams and a LED kit for the high beams. Start with the low beams since they are used most often and have the biggest impact on nighttime visibility. For the fog lights, a H16 LED LED bulb provides a clean white output that pairs well with LED headlights.
How to Replace Bulbs on a 2013 Toyota 4Runner Fog
To remove the headlight bulb, disconnect the wiring harness, then twist the bulb counter-clockwise and pull it straight out of the housing. Older model years like the 2013 4Runner Fog typically offer easy access to the headlight bulbs from behind the headlight assembly under the hood. Most owners can complete the swap in under 10 minutes per side. When installing the new bulb, avoid touching the glass with bare fingers. Skin oils create hot spots that shorten bulb life. Wear clean gloves or handle the bulb by its plastic base only. The fog lights are accessed from underneath the front bumper. You may need to remove a few plastic clips or screws from the fender liner to reach the H16 LED fog light socket.
Full Upgrade Bundle
Upgrade All 1 Positions at Once
2013 Toyota 4Runner Fog Complete Bulb Size Chart
| Position | Bulb Size | Shop |
|---|---|---|
Fog Light | H16 LED | Buy H16 LED |
Want to upgrade everything at once?
Shop Complete LED Kit for 2013 Toyota 4Runner FogHow Long Do 2013 Toyota 4Runner Fog Headlight Bulbs Last?
Standard halogen headlights on the 2013 Toyota 4Runner Fog have an expected lifespan of 500 to 1,000 hours, which works out to roughly 2 to 3 years of normal use. Signs of a failing halogen bulb include noticeably dimmer output, a yellowish tint compared to the other headlight, or intermittent flickering. At 13 years old, the original bulbs on your 4Runner Fog are likely overdue for replacement. Even if they still illuminate, reduced brightness significantly impacts nighttime safety. When one headlight burns out, replace both sides at the same time. Bulbs from the same batch age at similar rates, and mismatched brightness is distracting to oncoming drivers.
What Bulbs Are Compatible with the 2013 Toyota 4Runner Fog?
The low beam bulb on the 2013 Toyota 4Runner Fog is a specific fitment. There are no widely recognized cross-compatible alternatives, so make sure to purchase the exact size. Using the wrong bulb size can cause improper beam patterns that reduce your visibility and blind other drivers. It can also cause overheating inside the headlight housing, potentially warping the plastic lens or reflector. Always verify the bulb number before purchasing.
2013 Toyota 4Runner Fog Headlight FAQ
Did Toyota 4Runner Fog Bulb Sizes Change Over the Years?
The Toyota 4Runner Fog has maintained consistent bulb sizes across all model years from 2012 to 2019. The low beam has used a the same bulbs bulb throughout, which means replacement parts and LED upgrade kits are widely available and well-tested for this model. If you find a deal on bulbs for any 4Runner Fog year in this range, they will fit your 2013 model.