How to remove and refit an alternator on 2015 Audi A3?

To change out the alternator you disconnect the negative lead to the battery, the auxiliary drivebelt and pull out the 2-pin connector on the alternator. Detach earth wiring and battery positive cable, and then detach anchoring bolts. To refit, reverse the steps used and make sure that the bolts are tightened properly.

Genuine 2015 Audi A3 Alternator

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6 Alternators found

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2015 Audi A3 Alternator Part Number: 03L-903-023-L
$681.26 MSRP: $880.76
You Save: $199.50 (23%)
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Product Specifications
- Item Weight: 12.90 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 03L-903-023-L
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2015 Audi A3 Submodels:
- TDI Premium, TDI Premium Plus, TDI Prestige | 4 Cyl 2.0 L DIESEL
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2015 Audi A3 Alternator Part Number: 06K-903-024-CX
$606.54 MSRP: $780.76
You Save: $174.22 (23%)
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Product Specifications
- Replaces: 06J-903-023-AX, 06K-903-024-AX
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 06K-903-024-CX
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2015 Audi A3 Submodels:
- Premium, Premium Plus, Prestige | 4 Cyl 1.8 L GAS
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2015 Audi A3 Alternator Part Number: 06J-903-023-BX
$664.52 MSRP: $853.67
You Save: $189.15 (23%)
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Product Specifications
- Replaces: 06K-903-015-X, 06J-903-023-HX
- Item Weight: 12.90 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 06J-903-023-BX
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2015 Audi A3 Submodels:
- Premium, Premium Plus, Prestige | 4 Cyl 1.8 L GAS
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2015 Audi A3 Alternator Part Number: 06J-903-024-D
$929.39 MSRP: $1201.53
You Save: $272.14 (23%)
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Product Specifications
- Replaces: 06J-903-023-H, 06J-903-023-B, 06K-903-015
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 06J-903-024-D
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2015 Audi A3 Submodels:
- Premium, Premium Plus, Prestige | 4 Cyl 1.8 L GAS
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2015 Audi A3 Alternator Part Number: 04L-903-024-S
$475.99 MSRP: $615.37
You Save: $139.38 (23%)
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Product Specifications
- Replaces: 03L-903-023-K
- Item Weight: 12.90 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 04L-903-024-S
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2015 Audi A3 Submodels:
- TDI Premium, TDI Premium Plus, TDI Prestige | 4 Cyl 2.0 L DIESEL
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2015 Audi A3 Alternator Part Number: 06K-903-024-C
$934.14 MSRP: $1207.68
You Save: $273.54 (23%)
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Product Specifications
- Replaces: 06J-903-023-A, 06J-903-023-G, 06K-903-015-A, 06K-903-024-A
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 06K-903-024-C
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2015 Audi A3 Submodels:
- Premium, Premium Plus, Prestige | 4 Cyl 1.8 L GAS

2015 Audi A3 Alternator Parts and Q&A

Q: How to remove and refit an alternator on 2015 Audi A3?
A: To change out the alternator you disconnect the negative lead to the battery, the auxiliary drivebelt and pull out the 2-pin connector on the alternator. Detach earth wiring and battery positive cable, and then detach anchoring bolts. To refit, reverse the steps used and make sure that the bolts are tightened properly.