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Toyota 4Runner Headlight Bulbs Replacement Guide
How to replace the low beam, high beam and front side marker light bulbs in the headlights of a 2003-2009 4Runner.

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Toyota 4Runner Headlight
Low Beam, Center
Low Beam Bulb Base
This automotive "how-to" guide was specifically written to assist owners of the 4th generation (2003, 2004, 2005, 2006, 2007, 2008 & 2009) Toyota 4Runner SUV in replacing a burnt out low beam, high beam or front side marker light bulb in the headlight assemblies.

Owners of other related Toyota or Lexus vehicles such as the Hilux, Tacoma, Land Cruiser, T100, SW4, FJ Cruiser, Fortuner and Lexus GX may also find these DIY instructions to be helpful.

Replacement headlight bulbs for the 03-09 4Runner from Sylvania and other manufacturers are as follows with their respective part numbers: Low Beam # 9006, High Beam # 9005, and Front Side Marker # 168NA (or 194, 192 amber).

No tools are needed to replace the headlight bulbs. A pair of pliers can be useful for turning the side marker bulb socket.

Grab Base of Low Beam
1/4 Turn Counter Clockwise
Low Beam Bulb Removed
The Low Beam bulb is located at the center of the headlight assembly.

To remove it, grasp the light grey base of the bulb and rotate it 1/4 turn counter clockwise before pulling it straight out of the headlight.

Press Release Tab
Pull Off Power Connector
Separate the red power connector from the base of the bulb by pushing down on the release tab.
Sylvania # 9006 HB4
Connect Power To New Bulb
Insert New Low Beam Bulb
Push the low beam power connector on to the base of a new # 9006 bulb and insert it into the headlight assembly.

Rotate the base of the bulb 1/4 turn clockwise to secure it in place.

Toyota-4Runner-Headlight-Bulbs-Replacement-Guide-013 Toyota-4Runner-Headlight-Bulbs-Replacement-Guide-014
1/4 Turn Clockwise
High Beam - Near Grille
The High Beam bulb is located near the grille close to the center line of the vehicle.


High Beam Bulb Base
1/4 Turn Counter Clockwise
High Beam Removed
To remove the high beam bulb, grasp the black base and rotate it 1/4 turn counter clockwise before pulling it straight out of the headlight assembly.
Push Down Release Tab
Disconnect Power Plug
Sylvania # 9005 Bulb
Separate the power connector from the base of the high beam bulb by pushing down on the release tab.
Connect New 9005 Bulb
Insert Bulb In Headlight
1/4 Turn Clockwise
Push the power connector on to the base of a new # 9005 high beam bulb.

Insert the bulb into the headlight assembly and rotate the base 1/4 turn clockwise to secure it in place.

Front Sidemarker Light
Side Marker Bulb Socket
1/4 Turn Counter Clockwise
The Front Side Marker light bulb is located at the corner of the headlight assembly closest to the outer edge of the vehicle.

You may be able to remove the front side marker bulb by rotating the socket 1/4 turn counter clockwise with just your fingers.

I found it too difficult to rotate with my fingers and had to use a pair of needle nose pliers to turn the socket.

Old Front Side Marker Bulb
Pull Old Bulb Straight Out
Insert New Bulb
Pull the old # 168NA Amber front side marker light bulb straight out of the socket.

Push in a new # 168NA amber bulb straight into the socket.

Any other amber (orange / yellow) colored T3 1/4 wedge light bulb such as # 192, 194 or 2825A will also fit into the front side marker socket.

Insert the bulb into the headlight and rotate the socket 1/4 turn clockwise to lock it in place.

1/4 Turn Clockwise
Toyota-4Runner-Headlight-Bulbs-Replacement-Guide-032 Toyota-4Runner-Headlight-Bulbs-Replacement-Guide-033
Testing New Bulbs
Test the new bulbs by turning on the headlights, flash the high beams, and activate the hazard signals.

For more, check out my Toyota 4Runner Repair & Maintenance Guides page.

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