How to Service and Repair the Drive Belt on Buick LaCrosse?

Raising the vehicle should be the starting point for Drive Belt replacement. The next step requires removal of the right engine splash shield. Tools are used to unlock tension on the Drive Belt tensioner through clockwise rotation before removing the Drive Belt from each of the generator and accessory drive pulleys. Post-removal the technician should let go of the tensioner while maintaining a careful pace. The first step for installation starts with putting back the right engine splash shield followed by lowering the vehicle. The first step for Drive Belt replacement involves positioning it on the accessory drive pulley followed by clockwise tensioner rotation and guide it to the generator. A carefull alignment of the Drive Belt with the accessory drive pulleys' grooves should be confirmed before the tensioner release is made gradually.

How to replace the drive belt on Buick Regal?

A 15 mm box end wrench on the pulley nut enables lift or rotation of the drive belt tensioner which allows drive belt removal. The 15 mm box end wrench on the pulley nut should be used to lift or rotate the drive belt tensioner before installing the new drive belt.

OEM Buick Drive Belt

Serpentine Belt

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89 Drive Belts found

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Buick Serpentine Belt Part Number: 12605208
$32.76 MSRP: $61.53
You Save: $28.77 (47%)
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Product Specifications
- Other Name: Belt, Drive
Fits the following Buick Models:
- Regal | 2011-2013 | CXL, GS, Premium | 4 Cyl 2.0 L FLEX, 4 Cyl 2.4 L GAS
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Buick Serpentine Belt Part Number: 12588407
$41.26 MSRP: $77.49
You Save: $36.23 (47%)
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Product Specifications
- Other Name: Belt, Drive; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt
Fits the following Buick Models:
- Lucerne | 2006-2008 | CX, CXL | 6 Cyl 3.8 L GAS
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Buick Serpentine Belt Part Number: 12576446
$20.17 MSRP: $29.50
You Save: $9.33 (32%)
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Product Specifications
- Other Name: Belt, A/C Compressor; A/C Belt; Belt, Drive
Fits the following Buick Models:
- Rainier | 2004-2007 | CXL, CXL Plus | 8 Cyl 5.3 L GAS
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Buick Serpentine Belt Part Number: 55595700
$21.10 MSRP: $37.69
You Save: $16.59 (45%)
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Product Specifications
- Other Name: Belt-Water Pump & A/C Compressor & Generator; Serpentine Belt Drive Kit; Drive Belt; V-Belt; Belt, Drive
- Replaces: 55577638
Fits the following Buick Models:
- Encore | 2013-2021 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Serpentine Belt Part Number: 12634319
$23.30 MSRP: $42.17
You Save: $18.87 (45%)
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Product Specifications
- Other Name: Belt, Drive; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt
- Replaces: 12618358, 24435940, 24466972
Fits the following Buick Models:
- LaCrosse | 2010-2011 | CX, CXL | 4 Cyl 2.4 L GAS
- Regal | 2014-2017, 2012 | Base, Premium | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Verano | 2012-2017 | Base, Convenience, Leather, Premium, Sport Touring, Turbo | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
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Buick Serpentine Belt Part Number: 12639018
$24.09 MSRP: $43.03
You Save: $18.94 (45%)
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Product Specifications
- Other Name: Belt-Water Pump & A/C Compressor & Generator; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt; Belt, Drive
Fits the following Buick Models:
- LaCrosse | 2014-2016 | Base, Leather, Premium, Sport Touring | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick Serpentine Belt Part Number: 12654815
$25.76 MSRP: $46.00
You Save: $20.24 (44%)
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Product Specifications
- Other Name: Belt, Drive; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt
Fits the following Buick Models:
- Enclave | 2013-2017 | Base, Convenience, Leather, Premium | 6 Cyl 3.6 L GAS
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Buick Serpentine Belt Part Number: 12647764
$26.40 MSRP: $47.79
You Save: $21.39 (45%)
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Product Specifications
- Other Name: Belt-Water Pump & A/C Compressor & Generator; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt; Belt, Drive
Fits the following Buick Models:
- Enclave | 2018-2024 | Avenir, Base, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
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Buick Serpentine Belt Part Number: 12608660
$37.15 MSRP: $67.27
You Save: $30.12 (45%)
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Product Specifications
- Other Name: Belt, Drive; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt
Fits the following Buick Models:
- Enclave | 2008-2012 | Base, CX, CXL | 6 Cyl 3.6 L GAS
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Buick Serpentine Belt Part Number: 12578274
$38.90 MSRP: $69.48
You Save: $30.58 (45%)
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Product Specifications
- Other Name: Belt, Drive; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt
Fits the following Buick Models:
- Terraza | 2006-2007 | CX, CXL | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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Buick Serpentine Belt Part Number: 12593774
$45.08 MSRP: $81.59
You Save: $36.51 (45%)
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Product Specifications
- Other Name: Belt, Drive; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt
- Replaces: 12575216, 12569531
Fits the following Buick Models:
- Rainier | 2004-2007 | CXL, CXL Plus | 6 Cyl 4.2 L GAS
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Buick Serpentine Belt Part Number: 12637202
$52.49 MSRP: $95.02
You Save: $42.53 (45%)
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Product Specifications
- Other Name: Belt-Fan & Water Pump & Generator & Power Steering Pump; Serpentine Drive Kit; Accessory Drive Belt; V-Belt; Belt; Belt, Drive
- Replaces: 10105314, 12550608, 12569347, 12576450, 12554029, 24505041
Fits the following Buick Models:
- Commercial Chassis | 1991-1993 | Base | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- Rainier | 2004-2007 | CXL, CXL Plus | 8 Cyl 5.3 L GAS
- Regal | 1996 | Custom, Gran Sport, Limited, Olympic Gold Edition | 6 Cyl 3.8 L GAS
- Roadmaster | 1991-1993 | Base, Estate Wagon, Limited | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Buick Serpentine Belt Part Number: 12596249
$55.17 MSRP: $98.52
You Save: $43.35 (44%)
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Product Specifications
- Other Name: Belt, Drive; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt
Fits the following Buick Models:
- LaCrosse | 2008-2009 | Super | 8 Cyl 5.3 L GAS
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Buick Serpentine Belt Part Number: 12576750
$62.47 MSRP: $111.58
You Save: $49.11 (45%)
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Product Specifications
- Other Name: Belt, Drive; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt
- Replaces: 12563072, 12596340, 12574093
Fits the following Buick Models:
- LaCrosse | 2005-2009 | CX, CXL | 6 Cyl 3.8 L GAS
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Buick Serpentine Belt Part Number: 19355282
$39.35 MSRP: $70.26
You Save: $30.91 (44%)
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Product Specifications
- Other Name: Belt, Water Pump & A/C Compressor & Generator & Power Steering Pump; Serpentine Belt Drive Kit; Drive Belt; V-Belt; Belt; Belt, Drive
- Replaces: 12588413, 12569591, 24505853, 24507294
Fits the following Buick Models:
- LeSabre | 2000-2005 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 1999-2005 | Base, Ultra | 6 Cyl 3.8 L GAS
- Riviera | 1999 | Base | 6 Cyl 3.8 L GAS
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Buick Serpentine Belt Part Number: 12588412
$17.91 MSRP: $29.47
You Save: $11.56 (40%)
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Product Specifications
- Other Name: Belt, Water Pump; Serpentine Belt Drive Kit; Accessory Drive Belt; Water Pump Belt; Serpentine Tensioner; Belt, Drive
- Replaces: 03545016, 12555957, 12570499, 3545016
Fits the following Buick Models:
- Lucerne | 2006-2011 | CXL, CXS, Super | 8 Cyl 4.6 L GAS
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Buick Serpentine Belt Part Number: 12660099
$39.08 MSRP: $61.21
You Save: $22.13 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Belt, Drive; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt
- Replaces: 12646670, 12653389
Fits the following Buick Models:
- LaCrosse | 2012-2016 | Base, Convenience, Leather, Premium | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Regal | 2012-2016 | Base, Premium | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Serpentine Belt Part Number: 12636137
$39.38 MSRP: $61.72
You Save: $22.34 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Belt, Drive; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt
- Replaces: 12618089
Fits the following Buick Models:
- LaCrosse | 2010-2016 | Base, CX, CXL, CXS, Convenience, Leather, Premium, Sport Touring, Touring | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick Serpentine Belt Part Number: 19244956
$29.09 MSRP: $33.02
You Save: $3.93 (12%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Belt, Generator & A/C Compressor & Power Steering Pump; Serpentine Belt Drive Kit; Drive Belt; V-Belt; Belt; Belt, Drive
- Replaces: 12550149, 88986810
Fits the following Buick Models:
- Commercial Chassis | 1994-1996 | Base | 8 Cyl 5.7 L GAS
- Roadmaster | 1994-1996 | Base, Collector's Edition, Estate Wagon, Estate Wagon Collector's Edition, Limited, Limited Collector's Edition | 8 Cyl 5.7 L GAS
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Buick Serpentine Belt Part Number: 88984195
$18.86 MSRP: $26.33
You Save: $7.47 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Belt, Generator & A/C Compressor; Serpentine Belt Drive Kit; Drive Belt; V-Belt; Alternator Belt; A/C Belt; Belt, Drive
- Replaces: 12569539, 24573205, 24575751, 24573206, 24575537, 24576787
Fits the following Buick Models:
- Skylark | 1989-1998 | Base, Custom, Gran Sport, Limited, Luxury Edition, Olympic Gold Edition | 4 Cyl 2.3 L GAS, 4 Cyl 2.4 L GAS

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Buick Drive Belt

Choose OEM Drive Belt, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Buick's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Buick Drive Belt. You can shop at highly competitive prices and protect your budget. All our genuine Buick parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

The Buick Drive Belt connects the crankshaft of the engine to key parts to keep power steering and air conditioning running. Quiet cabins, smooth suspension, and tasteful flair that is inviting is what Buick has made its name based on. The company has struck the right balance between tradition and its continuous upgrades since 1903, slipping modern infotainment and safety technologies down the familiar comfort. With the Wildcat EV concept, Buick is indicating tomorrow it is possible to have the badge accomplish electric speed without losing its civilized way. Drivers like the fact that the cabin is very quiet even at higher speeds and therefore they find long distance journeys to be less of a burden and more of a chat-friendly trip. The brand continues to perfect the suspension geometry to ensure potholes become gentler and steering remains light to make parking in the city. In modern models, a Drive Belt incorporates the use of a serpentine loop that circles the alternator, water pump, and A/C compressor and pulls them accordingly in relation to the crankshaft. This is a stretchable rubber strip and it has a capacity of around 100,000 miles before it becomes useless to the drivers due to cracking or fraying. The transition of the Drive Belt with the simple V patterns to multi-groove ribs raised grip and cut slip brings the problem of parts spinning with less wasted energy. Leaving a worn belt unattended will lead to low lights, dead batteries, loss of power steering, and heat in the engine since the coolant pump will no longer turn.

Buick Drive Belt Parts and Q&A

Serpentine Belt
12576750
Q: How to Service and Repair the Drive Belt on Buick LaCrosse?
A:
Raising the vehicle should be the starting point for Drive Belt replacement. The next step requires removal of the right engine splash shield. Tools are used to unlock tension on the Drive Belt tensioner through clockwise rotation before removing the Drive Belt from each of the generator and accessory drive pulleys. Post-removal the technician should let go of the tensioner while maintaining a careful pace. The first step for installation starts with putting back the right engine splash shield followed by lowering the vehicle. The first step for Drive Belt replacement involves positioning it on the accessory drive pulley followed by clockwise tensioner rotation and guide it to the generator. A carefull alignment of the Drive Belt with the accessory drive pulleys' grooves should be confirmed before the tensioner release is made gradually.
Drive Belt
19244951
Q: How to replace the drive belt on Buick Regal?
A:
A 15 mm box end wrench on the pulley nut enables lift or rotation of the drive belt tensioner which allows drive belt removal. The 15 mm box end wrench on the pulley nut should be used to lift or rotate the drive belt tensioner before installing the new drive belt.