What precautions should be taken when disconnecting the battery equipped with an alternator and an anti-theft radio on 2005 Volkswagen Passat?

These models are fitted with an anti-theft radio; get the activation code and disconnect the battery. Unplugging can result in disconnect problems and warning lights which would involve a visit to a dealer. When replacing an alternator, the four-cylinder or V6 models have particular procedures to follow to be properly installed and verify the voltage charging after.

Genuine 2005 Volkswagen Passat Alternator

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11 Alternators found

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2005 Volkswagen Passat Alternator Part Number: 074-903-018-PX
$405.75 MSRP: $507.69
You Save: $101.94 (21%)
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Product Specifications
- Item Weight: 12.70 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 074-903-018-PX
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following 2005 Volkswagen Passat Submodels:
- GL TDI, GLS TDI | 4 Cyl 2.0 L DIESEL
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2005 Volkswagen Passat Alternator Part Number: 028-903-031
$667.38 MSRP: $841.58
You Save: $174.20 (21%)
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Product Specifications
- Item Weight: 13.40 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 028-903-031
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following 2005 Volkswagen Passat Submodels:
- GL TDI, GLS TDI | 4 Cyl 2.0 L DIESEL
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2005 Volkswagen Passat Alternator Part Number: 028-903-029-R
$674.05 MSRP: $850.00
You Save: $175.95 (21%)
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Product Specifications
- Item Weight: 12.60 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 028-903-029-R
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following 2005 Volkswagen Passat Submodels:
- GL TDI, GLS TDI | 4 Cyl 2.0 L DIESEL
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2005 Volkswagen Passat Alternator Part Number: 038-903-018-EX
$486.09 MSRP: $607.67
You Save: $121.58 (21%)
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Product Specifications
- Item Weight: 12.60 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 038-903-018-EX
- 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, W8 | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS, 8 Cyl 4.0 L GAS
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2005 Volkswagen Passat Alternator Part Number: 028-903-031-AX
$549.47 MSRP: $687.60
You Save: $138.13 (21%)
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Product Specifications
- Item Weight: 12.90 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 028-903-031-AX
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following 2005 Volkswagen Passat Submodels:
- GL TDI, GLS TDI | 4 Cyl 2.0 L DIESEL
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2005 Volkswagen Passat Alternator Part Number: 06B-903-018-EX
$402.21 MSRP: $501.91
You Save: $99.70 (20%)
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Product Specifications
- Replaces: 078-903-016-HX
- Item Weight: 13.40 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 06B-903-018-EX
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
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 Alternator Part Number: 078-903-016-SX
$610.54 MSRP: $764.62
You Save: $154.08 (21%)
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Product Specifications
- Item Weight: 13.70 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 078-903-016-SX
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following 2005 Volkswagen Passat Submodels:
- GL, GLS, GLS 4 Motion, GLX, GLX 4 Motion | 6 Cyl 2.8 L GAS
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2005 Volkswagen Passat Alternator Part Number: 06B-903-018-DX
$195.38 MSRP: $248.52
You Save: $53.14 (22%)
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Product Specifications
- Item Weight: 12.90 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 06B-903-018-DX
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following 2005 Volkswagen Passat Submodels:
- GL, GLS, GLS 4 Motion, GLX, GLX 4 Motion, W8 | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS, 8 Cyl 4.0 L GAS
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2005 Volkswagen Passat Alternator Part Number: 028-903-029-TX
$464.70 MSRP: $580.70
You Save: $116.00 (20%)
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Product Specifications
- Item Weight: 13.40 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 028-903-029-TX
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following 2005 Volkswagen Passat Submodels:
- GL TDI, GLS TDI | 4 Cyl 2.0 L DIESEL
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2005 Volkswagen Passat Alternator Part Number: 038-903-018-FX
$569.49 MSRP: $711.52
You Save: $142.03 (20%)
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Product Specifications
- Replaces: 038-903-018-F
- Item Weight: 13.50 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 038-903-018-FX
- 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 | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS
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2005 Volkswagen Passat Alternator Part Number: 028-903-029-RX
Product Specifications
- Item Weight: 12.70 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 028-903-029-RX
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following 2005 Volkswagen Passat Submodels:
- GL TDI, GLS TDI | 4 Cyl 2.0 L DIESEL

2005 Volkswagen Passat Alternator Parts and Q&A

Q: What precautions should be taken when disconnecting the battery equipped with an alternator and an anti-theft radio on 2005 Volkswagen Passat?
A: These models are fitted with an anti-theft radio; get the activation code and disconnect the battery. Unplugging can result in disconnect problems and warning lights which would involve a visit to a dealer. When replacing an alternator, the four-cylinder or V6 models have particular procedures to follow to be properly installed and verify the voltage charging after.