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Toyota Tacoma Headlight Bulbs Replacement Guide
How to change the low / high beam, turn signal or side marker light bulb in a 2nd generation 2005-2015 Toyota Tacoma.

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Paul B. Michaels
Author & Photographer
Auto Mechanic Since 1989

2013 Tacoma Headlight
Rear of Headlight Housing
Pull Off Power Plug
This automotive maintenance DIY tutorial was specifically written to assist owners of the second generation (2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 or 2015) Toyota Tacoma pickup truck in changing a burnt out dual filament combination low & high beam headlight bulb, front turn signal or front side marker light bulb.

Owners of other Toyota, Lexus or Scion vehicles such as the Yaris, Matrix, Prius, Camry, Corolla, Sienna, RAV4, Tundra, FJ Cruiser, Venza, Highlander, Avalon, Sequoia, Hilux, Land Cruiser, IS 250, ES 350, GS 350, tC, xB, xD, iQ and FR-S may also find these DIY instructions to be helpful.

The replacement bulb part numbers are as follows: Low / High Beam # 9003, Front Turn Signal 4157NAK or 4157NA and Front Side Marker # 2827 or WY5W.

Note - I've been informed by another 2nd generation Tacoma owner that the 4157NA bulbs run hotter and burn out much faster than the 4157NAK bulbs. If possible, it is best to buy the 4157NAK bulbs.

No tools are needed to change the bulbs in the driver side headlight assembly.

For the passenger side, you might need to remove the windshield wiper washer fluid bottle which requires a 10mm socket and 1/4" drive ratchet or a 10mm wrench.

Electrical Connector Removed
Pull Off Rubber Dust Cap
Metal Retaining Arm
The first two steps are to open the hood and then move to the side of the vehicle with the burnt out headlight bulb.

No extra steps are necessary to replace any bulb on the driver side. To replace a bulb on the passenger side, you might need to remove the windshield wiper washer fluid bottle. It is held in place by two 10mm bolts.

The dual filament combination Low & High Beam headlight bulb is located near the center of the housing.

Reach in behind the headlight assembly and gently pull off the plastic electrical connector.

Then pull off the black rubber dust cap that surrounds the base of old headlight bulb.

Unhook Metal Arm
Swing Open Metal Arm
Pull Out Old Headlight Bulb
Press in the end of the metal retaining arm and unhook it to release the old bulb.

Swing open the hinged metal retaining arm.

Carefully pull the old low/high beam light bulb straight out of the housing.

Osram HB2 9003
Dual Filament Low/Beam
Empty Bulb Socket
The OEM headlight bulb is an Osram HB2 9003.

Compatible dual filament 9003 bulbs are available from various manufacturers such as Sylvania, GE, Eiko and PIAA.

Insert New # 9003
Re-Attach Metal Arm
Rubber Dust Cover
Try to avoid touching the glass part of the new halogen bulb with your fingers or anything greasy in the engine bay. If you do get the new bulb dirty, wipe it clean with an alcohol moistened paper towel.

Insert a new # 9003 bulb straight in to the housing.

Swing the metal retaining arm closed over the new bulb and attach the end to the hook.

Double check that the new bulb is securely in place.

Push On Rubber Cap
Push On Power Plug
Turn Signal - Inner Corner
Push the rubber dust cover back in to place over the new bulb.

Push the electrical connector straight on to the base of the new headlight bulb.

The Front Turn Signal light bulb is located near the inner edge of the housing.


Turn Signal Bulb Socket
1/4 Turn Counterclockwise
Bulb Socket Removed
Reach in behind the headlight housing and rotate the grey plastic bulb socket 1/4 turn counterclockwise before pulling it straight out.
Pull Out Old Bulb
Push In New # 4157NA
Turn Signal Socket Housing
Carefully pull the old bulb straight out of the socket and push in a new amber colored number 4157NA or 4157NAK bulb.
1/4 Turn Clockwise - Lock
Side Marker - Outer Edge
1/4 Turn Counterclockwise
Re-insert the socket in to the housing and rotate it 1/4 turn clockwise to secure it in place.

The Front Side Marker light bulb is located at the outer edge of the housing.

Reach in behind the housing and rotate the small grey bulb socket 1/4 turn counterclockwise before pulling it straight out.

Side Marker Bulb Socket
Pull Out Light Bulb
Push In New # WY5W
Pull the old light bulb straight out of the socket and push in a new amber colored number WY5W or 2827 miniature wedge base bulb.

You can also choose to install a brighter amber colored 2827 LED bulb.

Side Marker Housing
1/4 Turn Clockwise - Lock
Test New Headlight Bulbs
Re-insert the side marker bulb socket in to the housing and rotate it 1/4 turn clockwise to secure it in place.

To test the new light bulbs, turn on the headlights, activate the hazard signals and flash the high beams.

Passenger Side - Remove Bottle
Window Washer Fluid Bottle
Two 10mm Bolts
To replace a burnt out bulb in the passenger side headlight housing, you might need to remove the windshield washer fluid bottle in order to create more working room.

The bottle is held in place by two 10mm bolts. Loosen the bolts by turning them counterclockwise.

For more, check out my other 2005-2015 Toyota Tacoma DIY Repair & Maintenance Guides.

If you found this guide to be helpful, please consider making a small donation by clicking on the "Donate" button located to the right of this paragraph. Thank you!
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