Cadillac STS Sigma Alternator
New, used, or aftermarket – from sellers across Europe.
Parts availability
Hard to find – this is exactly what hank is made for!
Estimated price range
Widely available Limited Hard to find
Last updated: 17.06.2026, 22:47
Alternator for your Cadillac STS?
Create a parts request and we will automatically search the web for suitable offers. You'll receive the results by e-mail - free of charge.
In addition, sellers on hank can send you offers directly.
Prices from recent listings
| Source | Condition | Price (approx.) | Last seen |
|---|---|---|---|
| Autoparts24 | Used | 227.23 € | 2026-06-14 |
| Amazon | New | 258.71 € | 2026-06-14 |
Indicative values only – current prices may vary.
Find Cadillac STS Sigma parts online
hank's free AI report searches specialized shops for Cadillac STS Sigma parts, including us-car-teile-center.de, Customville American & Recomotor.
About this part
The alternator on your STS Sigma 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 Cadillac STS?
Match the exact engine code and the model year of your STS Sigma, 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.
Why hank?
- Free to use - no hidden fees
- European reach - sellers across EU/EEA & UK
- Direct contact - no middlemen
- Auto-translate - no language barriers
- Specializing in rare and hard-to-find parts
- AI-supported parts search - we find offers for you
