How to replace the drive belts on the supercharged 3800 engine on 2003 Buick Regal?

The supercharged engine of 3800 has two drive belts, one of which serves the supercharger and the other the generator, power steering pump, water pump, and air conditioning compressor. Squeaky engine start or stop is usual. To fit the belts to replace, grab the tensioners with a wrench and unscrew/ screw in the belts.

OEM 2003 Buick Regal Drive Belt

Serpentine Belt

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2003 Buick Regal Drive Belt Part Number: 19244951
$47.93 MSRP: $71.87
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Product Specifications
- Other Name: Belt, Drive; Serpentine Belt Drive Kit; Serpentine Belt; V-Belt; Supercharger Belt
- Replaces: 12574914, 24507210
- Item Weight: 0.60 Pounds
- Item Dimensions: 3.4 x 17.8 x 0.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19244951
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2003 Buick Regal Submodels:
- 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
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2003 Buick Regal Serpentine Belt Part Number: 12588411
Product Specifications
- Other Name: Belt, Drive; Serpentine Belt Drive Kit; Drive Belt; V-Belt
- Replaces: 12560403, 12569504, 24506524
- Item Weight: 0.80 Pounds
- Item Dimensions: 21.8 x 6.0 x 0.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12588411
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Buick Regal Submodels:
- GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS

2003 Buick Regal Drive Belt

With a comprehensive array of OEM 2003 Buick Regal Drive Belt, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2003 Buick Regal Drive Belt are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2003 Buick Regal Drive Belt Parts and Q&A

Q: How to replace the drive belts on the supercharged 3800 engine on 2003 Buick Regal?
A: The supercharged engine of 3800 has two drive belts, one of which serves the supercharger and the other the generator, power steering pump, water pump, and air conditioning compressor. Squeaky engine start or stop is usual. To fit the belts to replace, grab the tensioners with a wrench and unscrew/ screw in the belts.