Audi S4 B9 Alternator
New, used, or aftermarket – from sellers across Europe.
Parts availability
This part appears to be widely available.
Estimated price range
Widely available Limited Hard to find
Last updated: 03.10.2026, 22:07
Alternator for your Audi S4?
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In addition, sellers on hank can send you offers directly.
Prices from recent listings
| Source | Condition | Price (approx.) | Last seen |
|---|---|---|---|
| eBay | Used | 73.99 € | 2026-10-03 |
| eBay | Used | 130.99 € | 2026-10-03 |
| eBay | Used | 76.99 € | 2026-08-04 |
| eBay | Used | 92.99 € | 2026-08-04 |
| eBay | Used | 99.00 € | 2026-08-04 |
| eBay | Used | 101.99 € | 2026-08-04 |
| eBay | Used | 102.99 € | 2026-08-04 |
| eBay | Used | 109.00 € | 2026-08-04 |
Indicative values only – current prices may vary.
Price comparison: Alternator
Current median for the Audi S4 B9: 102.49 €.
Median across all car models: around 160 €. This model is 35% below that and cheaper than 80% of the models compared.
Median across Audi car models: around 150 €. This model is 30% below that and cheaper than 80% of the models compared.
Compares the medians of the most recent offers found for each model.
Find Audi S4 B9 parts online
hank's free AI report searches specialized shops for Audi S4 B9 parts, including VW Direct, Awesome GTI & DPM Performance.
About this part
The alternator on your S4 B9 charges the battery and powers the electrics while the engine runs. A failing alternator causes dimming lights, a dying battery and eventually a vehicle that won't start.
Frequently asked questions
What should I check when ordering a replacement alternator for the Audi S4?
Match the exact engine code and the model year of your S4 B9, as alternators differ in output (amps) and mounting. Check whether the pulley is included or needs to be transferred.
Is a remanufactured alternator a good option?
Yes – remanufactured alternators are tested to OEM specs and are often significantly cheaper than new. They're a reliable and economical choice for most vehicles.
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