What role does the serpentine drive belt play in engine operation, and how should it be inspected and replaced on 2005 Volkswagen Passat?

Engine operation requires the serpentine drivebelt which supplies energy to different body parts. It must be periodically checked concerning wear. V6 engines have tensioners that provide the tension on the belt and four-cylinders engines have an adjuster. Each type of engine has certain procedures regarding replacement to make sure that it is installed and tightened to perform to the maximum.

Genuine 2005 Volkswagen Passat Drive Belt

Serpentine Belt

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3 Drive Belts found

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2005 Volkswagen Passat Belt Part Number: 06B-903-137-E
$25.70 MSRP: $35.70
You Save: $10.00 (29%)
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Product Specifications
- Other Name: Ribbed Belt; Belt
- Replaces: 06B-903-137
- Item Weight: 0.30 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 06B-903-137-E
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
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Fits the following 2005 Volkswagen Passat Submodels:
- GL, GLS, GLS 4 Motion | 4 Cyl 1.8 L GAS
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2005 Volkswagen Passat Serpentine Belt Part Number: 038-903-137-T
$29.99 MSRP: $41.65
You Save: $11.66 (28%)
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Product Specifications
- Other Name: Ribbed Belt
- Replaces: 038-903-137-H
- Item Weight: 0.30 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 038-903-137-T
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
More Info
Fits the following 2005 Volkswagen Passat Submodels:
- GL TDI, GLS TDI | 4 Cyl 2.0 L DIESEL
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2005 Volkswagen Passat Belt Part Number: 078-903-137-BC
$55.91 MSRP: $77.65
You Save: $21.74 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Ribbed Belt; Belt
- Item Weight: 0.70 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 078-903-137-BC
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following 2005 Volkswagen Passat Submodels:
- 4 Motion, GL, GLS, GLS 4 Motion, GLX, GLX 4 Motion | 6 Cyl 2.8 L GAS

2005 Volkswagen Passat Drive Belt Parts and Q&A

Q: What role does the serpentine drive belt play in engine operation, and how should it be inspected and replaced on 2005 Volkswagen Passat?
A: Engine operation requires the serpentine drivebelt which supplies energy to different body parts. It must be periodically checked concerning wear. V6 engines have tensioners that provide the tension on the belt and four-cylinders engines have an adjuster. Each type of engine has certain procedures regarding replacement to make sure that it is installed and tightened to perform to the maximum.