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Used for: Fog Light Bulb Front
Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam
Used for: Headlight Bulb Low Beam(with halogen headlights)
Used for: Back Up Reverse Light Bulb, Brake Light Bulb
Used for: Brake Light Bulb
Used for: Daytime Running Light Bulb
Used for: Parking Light Bulb(with halogen headlights), Turn Signal Light Bulb Front
Used for: Side Marker Light Bulb Front
Used for: Side Marker Light Bulb Front
Used for: Stepwell Light Bulb
Used for: Tail Light Bulb
Used for: Turn Signal Light Bulb Rear
Used for: Dome Light Bulb, Map Light Bulb
Used for: Glove Box Light Bulb, Glove Box Light Bulb(Compare to original - Option 1)
Used for: Glove Box Light Bulb(Compare to original - Option 2)
This 2018 Nissan Titan bulb size guide helps you verify the correct replacement bulb by lighting position, so you can match the right part before you buy. Because trim, body style, and lighting package can vary, the Titan may use different bulbs for halogen and LED setups, and this page is organized to make those differences easier to check.
Use the listings here to find common exterior and interior bulb sizes for the 2018 Titan, including headlights, brake lights, reverse lights, turn signals, license plate lights, dome lights, map lights, and more. If you are replacing a single failed bulb or planning a full refresh, confirming the bulb location first is the best way to avoid ordering the wrong fit.
For fitment, always compare your Titan’s trim and lighting package with the bulb position on the vehicle, since LED-equipped models can use different parts than halogen-equipped models. Aftermarket LED conversions may also change the bulb type needed, especially in headlights and fog lights, so check whether your truck originally came with halogen or LED lighting before purchasing. If possible, remove the installed bulb and verify the base style and markings before ordering, because even within the same model year there can be market or package differences that affect fitment.
The low beam bulb depends on the lighting package. Titans with halogen headlights use H11 low beam bulbs, while Titans with LED headlights use LED low beam bulbs.
The high beam bulb is 9005.
The front turn signal bulb is 7444NA.
The rear turn signal bulb is 3057.
The brake light bulb is listed as 921 or PW16W, depending on the specific lamp position and configuration.
The back up reverse light bulb is 921.
The license plate light bulb is LED on this page, so the replacement depends on the factory LED lamp assembly rather than a standard halogen bulb number.
Yes. Titans with halogen headlights use 7444NA for the parking light bulb, while Titans with LED headlights use an LED parking light assembly.
Both the dome light and map light use DE3175 bulbs.
The front side marker light bulb is 2825 or 98.
The front fog light bulb is listed as H11 LED or H16 LED, depending on the setup and replacement style.
The daytime running light bulb is P13W.
The glove box light is listed as 2721, with an alternate comparison listing of 74.
Yes. Trim, lighting package, body style, and market can all affect bulb fitment, so it is smart to confirm the exact lamp on your truck before buying replacements.