How to replace the horn on Buick LaCrosse?

The first step to replace the Horn involves opening the hood and taking out the rh headlamp assembly. First disconnect the electrical connector of the Horn before removing the bolt securing the bracket and removing the Horn from its position on the frame rail extension. Insert the Horn assembly onto the frame rail extension by placing it in a way that the Horn anti-rotation tab engages the frame rail slot. Position the Horn bracket bolt into place, when tightened it should reach 15 n.m (11 lb ft). Hook up the Horn electrical connector and return the rh headlamp assembly to its place then close the hood.

OEM Buick LaCrosse Horn

Alarm Horn

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6 Horns found

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Buick LaCrosse Horn Part Number: 23343359
$37.22 MSRP: $58.26
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Product Specifications
- Other Name: Horn, Horn
- Replaces: 22940371, 20867044
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2013 Buick LaCrosse | Base, Convenience, CX, CXL, CXS, Leather, Premium, Touring | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Control Module, Green Line, Driver Side Part Number: 84594590
$47.49 MSRP: $69.15
You Save: $21.66 (32%)
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Product Specifications
- Other Name: Horn Kit, Single (Low Note); ABS Control Module; Lower Note Horn; Horn; Horn Kit, Horn; Horn, Horn
- Position: Driver Side
- Replaces: 01999193, 02029366, 01999276, 01999284, 01999247, 01999194, 01892163, 01999198, 01892240, 01999249, 01999241, 01999252, 01892162, 01999160, 01999714, 10456443, 01999169, 01999218, 15017320, 01999172, 15014988, 15043345, 15248349, 01999159, 15172409, 1892240, 1999159, 1999172, 1999169, 1999241, 1999714, 1999247, 1999252, 1999284, 1999095, 1999276, 1999715, 2029366, 1999193, 1999160, 1999194, 25696075, 84614017, 22658714, 89046916, 01999095, 01999715, 01999221, 10402064, 10414427, 10298957, 10456327, 12368065, 12368062, 12368064, 15030677, 15059526, 15013182, 10456321, 15125048, 15072099, 15710911, 15018062, 1892163, 1892162, 15922907, 1999221, 1999218, 1999249, 25718727, 1999198, 89046918, 15857765, 19301082
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2009 Buick LaCrosse | CX, CXL, CXS, Super | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.3 L GAS
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Buick LaCrosse High Note Horn, Green Line, Passenger Side Part Number: 84594588
$54.31 MSRP: $79.07
You Save: $24.76 (32%)
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Product Specifications
- Other Name: Horn Kit, Generic (High Note); Horn; Horn Kit, Horn; Horn, Horn
- Position: Passenger Side
- Replaces: 01999286, 01892241, 01999217, 01999713, 01999070, 10344818, 10456328, 10372337, 10402065, 10456323, 02029365, 15172410, 15072100, 15043346, 15146059, 19301083, 15018063, 15144581, 01999262, 1999162, 89046919, 01999141, 01999192, 01999162, 25695574, 10414428, 10456329, 12368061, 15017322, 15299672, 15248350, 10456444, 15045821, 15220753, 15014989, 1892241, 1999262, 1999280, 1999713, 1999070, 1892246, 2029365, 1999192, 1999286, 12368063, 89046917, 15013185, 15017321, 1999217, 1999141, 84614013
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2009 Buick LaCrosse | CX, CXL, CXS, Super | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.3 L GAS
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Buick LaCrosse High Note Horn, Green Part Number: 84656765
$14.95 MSRP: $23.40
You Save: $8.45 (37%)
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Product Specifications
- Other Name: Horn, Horn; Horn
- Replaces: 23260450, 84124743
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L GAS
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Buick LaCrosse Lower Note Horn, Yellow Part Number: 84656764
$17.67 MSRP: $26.30
You Save: $8.63 (33%)
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Product Specifications
- Other Name: Horn, Horn; Horn
- Replaces: 23316731, 84124744
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L GAS
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Buick LaCrosse Horn Part Number: 26679158
Product Specifications
- Other Name: Horn, Horn
- Replaces: 26263332
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2016 Buick LaCrosse | Base, Leather, Premium, Sport Touring | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS

Buick LaCrosse Horn

Want to cut long-term maintenance and repair costs? Choose OEM Horn. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Buick LaCrosse parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Buick LaCrosse Horn includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

As a safety priority the Buick LaCrosse Horn functions as a vital component which boosts performance reliability and delivers crucial communication capabilities on the roadway. Periodic wheezing or beeping sounds emanating from the Buick LaCrosse Horn enables motorists to detect the vehicle thus enhancing their driving experience. The Horn maintains its compatibility with different LaCrosse vehicles as the vehicle line continues to develop and adjusts to new automotive design standards and safety compliance requirements. The 2004-model Buick LaCrosse represents efficiency and safety excellence and depend on the Horn to achieve these goals. The second-generation LaCrosse includes advanced features which both enhance operational performance while creating a safer driving atmosphere. The Buick automobile distinguishes itself in the automobile market through its standard airbag system which the Horn protects as an extra security measure. Maintaining a functional horn for a Buick car remains essential because replacement costs may fluctuate according to the model variant yet reliability and driving performance are vital functions. The the automaker model Horn establishes itself as a safety-focused element while promoting efficiency which positions it as a leading automotive feature in the competitive marketplace.

Buick LaCrosse Horn Parts and Q&A

High Note Horn, Green Line, Passenger Side
84594588
Q: How to replace the horn on Buick LaCrosse?
A:
The first step to replace the Horn involves opening the hood and taking out the rh headlamp assembly. First disconnect the electrical connector of the Horn before removing the bolt securing the bracket and removing the Horn from its position on the frame rail extension. Insert the Horn assembly onto the frame rail extension by placing it in a way that the Horn anti-rotation tab engages the frame rail slot. Position the Horn bracket bolt into place, when tightened it should reach 15 n.m (11 lb ft). Hook up the Horn electrical connector and return the rh headlamp assembly to its place then close the hood.