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Used for: Fog Light Bulb Front, Daytime Running Light Bulb(with halogen headlights)
Used for: Fog Light Bulb Front, Daytime Running Light Bulb(with halogen headlights)
Used for: Headlight Bulb High Beam
Used for: Headlight Bulb High Beam and Low Beam
Used for: Headlight Bulb Low Beam
Used for: Back Up Reverse Light Bulb
Used for: Daytime Running Light Bulb(with HID headlights)
Used for: License Plate Light Bulb, Courtesy Light Bulb, Dome Light Bulb, Interior Door Light Bulb
Used for: License Plate Light Bulb, Courtesy Light Bulb, Dome Light Bulb, Interior Door Light Bulb
Used for: Parking Light Bulb, Side Marker Light Bulb Front, Turn Signal Light Bulb Front, Turn Signal Light Bulb Rear
Used for: Stepwell Light Bulb, Glove Box Light Bulb, Trunk or Cargo Area Light
Used for: Stepwell Light Bulb, Glove Box Light Bulb, Trunk or Cargo Area Light
Used for: Vanity Mirror Light Bulb
The 2010 Buick LaCrosse uses different bulb sizes depending on the lighting position, so it is important to match the bulb to the exact location on the car. This page helps you verify bulb sizes by lighting position, making it easier to replace a burned-out lamp without guessing.
Whether you are changing a headlight, a reverse light, or an interior bulb, the 2010 Buick LaCrosse can use different bulbs for different trims and lighting setups. Use this guide to narrow down the correct fit before you buy replacement bulbs.
Fitment can vary by trim, package, market, and body style, so always compare the bulb listing with the bulb already installed in your vehicle. Halogen and HID headlight systems use different bulbs, and some fog light or daytime running light setups may also differ depending on equipment. If you are considering an aftermarket LED conversion, check the bulb base, housing clearance, and local lighting rules before ordering. The safest approach is to inspect the existing bulb first, especially on items like the low beam, DRL, and fog lights, where multiple configurations are possible.
The low beam headlight bulb is H11 on the 2010 Buick LaCrosse with halogen headlights. Some versions with HID headlights use D1S for the high beam and low beam setup.
The high beam bulb is H9 on the 2010 Buick LaCrosse for the halogen headlight setup.
Front fog lights may use H11 LED or H16 LED, depending on the trim and lighting package. Check the bulb currently installed before purchasing a replacement.
For 2010 Buick LaCrosse models with halogen headlights, the daytime running light bulb can be H11 LED or H16 LED depending on configuration.
For versions with HID headlights, the daytime running light bulb is 3157.
The back up reverse light bulb is 921.
The license plate light bulb is 2825 or 98.
The glove box light, trunk or cargo area light, stepwell light, and several interior courtesy-style lamps use 194 or 7441 bulbs.
The dome light bulb is 2825 or 98, and the interior door light bulb is also 2825 or 98. The courtesy light uses the same bulb type.
The front turn signal light bulb is 3757A, and the parking light bulb is also 3757A.
The rear turn signal light bulb is 3757A, and the rear side marker light bulb is LED on this page's bulb chart.
On this page, the brake light bulb, tail light bulb, and center high mount stop light are listed as LED, which means the lamp may be integrated rather than a simple replaceable halogen bulb. Check the assembly before ordering parts.
Yes, many owners upgrade to LED replacements for some positions, but fitment depends on the socket, housing, and electrical compatibility. Make sure the LED matches the correct base and works properly with your vehicle's lighting system.
Because the 2010 Buick LaCrosse can have trim and package differences, the installed bulb is the best confirmation of fitment. This is especially important for fog lights, DRLs, and headlight systems where more than one bulb type may appear in the chart.