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
$35.91 MSRP: $53.44
You Save: $17.53 (33%)
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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
$51.62 MSRP: $76.83
You Save: $25.21 (33%)
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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
$54.15 MSRP: $80.60
You Save: $26.45 (33%)
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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
$13.72 MSRP: $21.47
You Save: $7.75 (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
$16.22 MSRP: $24.13
You Save: $7.91 (33%)
Ships in 1-2 Business Days
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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

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Buick LaCrosse Horn Parts Questions & Experts Answers

Control Module, Green Line, Driver Side
84594590
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.